DM6814 Hardware Manual - RTD Embedded Technologies, Inc.
DM6814 Hardware Manual - RTD Embedded Technologies, Inc.
DM6814 Hardware Manual - RTD Embedded Technologies, Inc.
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Table 1-1 Factory Settings<br />
Switch/<br />
Jumper<br />
Function Controlled<br />
Factory Settings<br />
(Jumpers Installed)<br />
P4<br />
Connects a P14 jumper selectable interrupt source<br />
to an interrupt channel; pulls tri-state buffers to<br />
ground (G) for multiple interrupt applications<br />
Jumper installed on G (ground for<br />
buffer); interrupt channels<br />
disabled<br />
P5<br />
Sets the clock and gate sources for the 8254<br />
timer/counter<br />
CLK0: OSC; CLK1: OT0<br />
CLK2:OT1; GT2:EG2<br />
(timer/counters cascaded)<br />
P7<br />
Activates pull-up/ pull-down resistors on Port 0<br />
digital I/O lines (Port 0, lines 0-3 only)<br />
Not Installed<br />
P8<br />
Activates pull-up/ pull-down resistors on Port 1<br />
digital I/O lines (Port 1, lines 0-3 only)<br />
Not Installed<br />
P9<br />
Activates pull-up/ pull-down resistors on Port 2<br />
digital I/O lines (Port 2, lines 0-3 only)<br />
Not Installed<br />
P10<br />
Activates pull-up/ pull-down resistors on Port 3<br />
digital I/O lines (Port 3, lines 0-3 only)<br />
Not Installed<br />
P11<br />
Activates pull-up/ pull-down resistors on Port 4<br />
digital I/O lines (Port 4, lines 0-3 only)<br />
Not Installed<br />
P12<br />
Activates pull-up/ pull-down resistors on Port 5<br />
digital I/O lines (Port 5, lines 0-3 only)<br />
Not Installed<br />
P13 Not used No Connection<br />
P14<br />
Selects one of four interrupt sources for interrupt<br />
generation<br />
OT2<br />
P16<br />
Connects interrupt source jumpered on P14 to an<br />
AT interrupt channel (<strong>DM6814</strong> only)<br />
no jumper<br />
S1 Sets the base address 300 hex (768 decimal)
Table 1-1 Factory Settings<br />
Switch/<br />
Jumper<br />
Function Controlled<br />
Factory Settings<br />
(Jumpers Installed)<br />
P4<br />
Connects a P14 jumper selectable interrupt source<br />
to an interrupt channel; pulls tri-state buffers to<br />
ground (G) for multiple interrupt applications<br />
Jumper installed on G (ground for<br />
buffer); interrupt channels<br />
disabled<br />
P5<br />
Sets the clock and gate sources for the 8254<br />
timer/counter<br />
CLK0: OSC; CLK1: OT0<br />
CLK2:OT1; GT2:EG2<br />
(timer/counters cascaded)<br />
P7<br />
Activates pull-up/ pull-down resistors on Port 0<br />
digital I/O lines (Port 0, lines 0-3 only)<br />
Not Installed<br />
P8<br />
Activates pull-up/ pull-down resistors on Port 1<br />
digital I/O lines (Port 1, lines 0-3 only)<br />
Not Installed<br />
P9<br />
Activates pull-up/ pull-down resistors on Port 2<br />
digital I/O lines (Port 2, lines 0-3 only)<br />
Not Installed<br />
P10<br />
Activates pull-up/ pull-down resistors on Port 3<br />
digital I/O lines (Port 3, lines 0-3 only)<br />
Not Installed<br />
P11<br />
Activates pull-up/ pull-down resistors on Port 4<br />
digital I/O lines (Port 4, lines 0-3 only)<br />
Not Installed<br />
P12<br />
Activates pull-up/ pull-down resistors on Port 5<br />
digital I/O lines (Port 5, lines 0-3 only)<br />
Not Installed<br />
P13 Not used No Connection<br />
P14<br />
Selects one of four interrupt sources for interrupt<br />
generation<br />
OT2<br />
P16<br />
Connects interrupt source jumpered on P14 to an<br />
AT interrupt channel (<strong>DM6814</strong> only)<br />
no jumper<br />
S1 Sets the base address 300 hex (768 decimal)
PROGRAMMABLE<br />
INVERT<br />
P14<br />
INTERRUPT<br />
SOURCE<br />
CLK<br />
INTERRUPT<br />
REGISTER<br />
+5 V<br />
P14<br />
IRQ STATUS<br />
(BA+17, BIT 3)<br />
CLR<br />
INTERRUPT<br />
CLR<br />
P4<br />
G<br />
INCREMENTAL<br />
ENCODER CH-1<br />
INTERRUPT<br />
CLK<br />
INTERRUPT<br />
REGISTER<br />
INCREMENTAL<br />
ENCODER CH-1<br />
IRQ STATUS<br />
(BA+17, BIT 0)<br />
CLR<br />
CLR<br />
INCREMENTAL<br />
ENCODER CH-2<br />
INTERRUPT<br />
CLK<br />
INTERRUPT<br />
REGISTER<br />
INCREMENTAL<br />
ENCODER CH-2<br />
IRQ STATUS<br />
(BA+17, BIT 1)<br />
CLR<br />
CLR<br />
INCREMENTAL<br />
ENCODER CH-3<br />
INTERRUPT<br />
CLK<br />
INTERRUPT<br />
REGISTER<br />
INCREMENTAL<br />
ENCODER CH-3<br />
IRQ STATUS<br />
(BA+17, BIT 2)<br />
CLR<br />
CLR
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
INC ENC3 IRQIN<br />
OVERFLOW3 OUT<br />
INC ENC3 CHB<br />
INC ENC3 CHA<br />
P4.3<br />
P4.2<br />
P4.1<br />
P4.0<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
13 14<br />
15 16<br />
EXT INT 1<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
N.C.<br />
P5.3<br />
P5.2<br />
P5.1<br />
P5.0<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
13 14<br />
15 16<br />
EXT INT 2<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
EXT CLK 0<br />
T/C OUT 0<br />
EXT CLK 1<br />
T/C OUT 1<br />
EXT CLK 2<br />
T/C OUT 2<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
EXT GATE 0<br />
DIGITAL GND<br />
EXT GATE 1<br />
DIGITAL GND<br />
EXT GATE 2<br />
DIGITAL GND<br />
INC ENC2 IRQIN<br />
OVERFLOW2 OUT<br />
INC ENC2 CHB<br />
17 18<br />
19 20<br />
21 22<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
17 18<br />
19 20<br />
21 22<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
<br />
<br />
INC ENC2 CHA<br />
23 24<br />
DIGITAL GND<br />
N.C.<br />
23 24<br />
DIGITAL GND<br />
P2.3<br />
25 26<br />
DIGITAL GND<br />
P3.3<br />
25 26<br />
DIGITAL GND<br />
P2.2<br />
27 28<br />
DIGITAL GND<br />
P3.2<br />
27 28<br />
DIGITAL GND<br />
P2.1<br />
29 30<br />
DIGITAL GND<br />
P3.1<br />
29 30<br />
DIGITAL GND<br />
P2.0<br />
31 32<br />
DIGITAL GND<br />
P3.0<br />
31 32<br />
DIGITAL GND<br />
INC ENC1 IRQIN<br />
33 34<br />
DIGITAL GND<br />
N.C.<br />
33 34<br />
DIGITAL GND<br />
OVERFLOW1 OUT<br />
35 36<br />
DIGITAL GND<br />
N.C.<br />
35 36<br />
DIGITAL GND<br />
INC ENC1 CHB<br />
37 38<br />
DIGITAL GND<br />
N.C.<br />
37 38<br />
DIGITAL GND<br />
INC ENC1 CHA<br />
39 40<br />
DIGITAL GND<br />
N.C.<br />
39 40<br />
DIGITAL GND<br />
P0.3<br />
41 42<br />
DIGITAL GND<br />
P1.3<br />
41 42<br />
DIGITAL GND<br />
P0.2<br />
43 44<br />
DIGITAL GND<br />
P1.2<br />
43 44<br />
DIGITAL GND<br />
P0.1<br />
45 46<br />
DIGITAL GND<br />
P1.1<br />
45 46<br />
DIGITAL GND<br />
P0.0<br />
47 48<br />
DIGITAL GND<br />
P1.0<br />
47 48<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND
INC ENC3 IRQIN<br />
OVERFLOW3 OUT<br />
INC ENC3 CHB<br />
INC ENC3 CHA<br />
P4.3<br />
P4.2<br />
P4.1<br />
P4.0<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
13 14<br />
15 16<br />
EXT INT 1<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
N.C.<br />
P5.3<br />
P5.2<br />
P5.1<br />
P5.0<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
13 14<br />
15 16<br />
EXT INT 2<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
EXT CLK 0<br />
T/C OUT 0<br />
EXT CLK 1<br />
T/C OUT 1<br />
EXT CLK 2<br />
T/C OUT 2<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
EXT GATE 0<br />
DIGITAL GND<br />
EXT GATE 1<br />
DIGITAL GND<br />
EXT GATE 2<br />
DIGITAL GND<br />
INC ENC2 IRQIN<br />
OVERFLOW2 OUT<br />
INC ENC2 CHB<br />
17 18<br />
19 20<br />
21 22<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
17 18<br />
19 20<br />
21 22<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
<br />
<br />
INC ENC2 CHA<br />
23 24<br />
DIGITAL GND<br />
N.C.<br />
23 24<br />
DIGITAL GND<br />
P2.3<br />
25 26<br />
DIGITAL GND<br />
P3.3<br />
25 26<br />
DIGITAL GND<br />
P2.2<br />
27 28<br />
DIGITAL GND<br />
P3.2<br />
27 28<br />
DIGITAL GND<br />
P2.1<br />
29 30<br />
DIGITAL GND<br />
P3.1<br />
29 30<br />
DIGITAL GND<br />
P2.0<br />
31 32<br />
DIGITAL GND<br />
P3.0<br />
31 32<br />
DIGITAL GND<br />
INC ENC1 IRQIN<br />
33 34<br />
DIGITAL GND<br />
N.C.<br />
33 34<br />
DIGITAL GND<br />
OVERFLOW1 OUT<br />
35 36<br />
DIGITAL GND<br />
N.C.<br />
35 36<br />
DIGITAL GND<br />
INC ENC1 CHB<br />
37 38<br />
DIGITAL GND<br />
N.C.<br />
37 38<br />
DIGITAL GND<br />
INC ENC1 CHA<br />
39 40<br />
DIGITAL GND<br />
N.C.<br />
39 40<br />
DIGITAL GND<br />
P0.3<br />
41 42<br />
DIGITAL GND<br />
P1.3<br />
41 42<br />
DIGITAL GND<br />
P0.2<br />
43 44<br />
DIGITAL GND<br />
P1.2<br />
43 44<br />
DIGITAL GND<br />
P0.1<br />
45 46<br />
DIGITAL GND<br />
P1.1<br />
45 46<br />
DIGITAL GND<br />
P0.0<br />
47 48<br />
DIGITAL GND<br />
P1.0<br />
47 48<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND
INC ENC3 IRQIN<br />
OVERFLOW3 OUT<br />
INC ENC3 CHB<br />
INC ENC3 CHA<br />
P4.3<br />
P4.2<br />
P4.1<br />
P4.0<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
13 14<br />
15 16<br />
EXT INT 1<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
N.C.<br />
P5.3<br />
P5.2<br />
P5.1<br />
P5.0<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
13 14<br />
15 16<br />
EXT INT 2<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
EXT CLK 0<br />
T/C OUT 0<br />
EXT CLK 1<br />
T/C OUT 1<br />
EXT CLK 2<br />
T/C OUT 2<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
EXT GATE 0<br />
DIGITAL GND<br />
EXT GATE 1<br />
DIGITAL GND<br />
EXT GATE 2<br />
DIGITAL GND<br />
INC ENC2 IRQIN<br />
OVERFLOW2 OUT<br />
INC ENC2 CHB<br />
17 18<br />
19 20<br />
21 22<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
17 18<br />
19 20<br />
21 22<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
<br />
<br />
INC ENC2 CHA<br />
23 24<br />
DIGITAL GND<br />
N.C.<br />
23 24<br />
DIGITAL GND<br />
P2.3<br />
25 26<br />
DIGITAL GND<br />
P3.3<br />
25 26<br />
DIGITAL GND<br />
P2.2<br />
27 28<br />
DIGITAL GND<br />
P3.2<br />
27 28<br />
DIGITAL GND<br />
P2.1<br />
29 30<br />
DIGITAL GND<br />
P3.1<br />
29 30<br />
DIGITAL GND<br />
P2.0<br />
31 32<br />
DIGITAL GND<br />
P3.0<br />
31 32<br />
DIGITAL GND<br />
INC ENC1 IRQIN<br />
33 34<br />
DIGITAL GND<br />
N.C.<br />
33 34<br />
DIGITAL GND<br />
OVERFLOW1 OUT<br />
35 36<br />
DIGITAL GND<br />
N.C.<br />
35 36<br />
DIGITAL GND<br />
INC ENC1 CHB<br />
37 38<br />
DIGITAL GND<br />
N.C.<br />
37 38<br />
DIGITAL GND<br />
INC ENC1 CHA<br />
39 40<br />
DIGITAL GND<br />
N.C.<br />
39 40<br />
DIGITAL GND<br />
P0.3<br />
41 42<br />
DIGITAL GND<br />
P1.3<br />
41 42<br />
DIGITAL GND<br />
P0.2<br />
43 44<br />
DIGITAL GND<br />
P1.2<br />
43 44<br />
DIGITAL GND<br />
P0.1<br />
45 46<br />
DIGITAL GND<br />
P1.1<br />
45 46<br />
DIGITAL GND<br />
P0.0<br />
47 48<br />
DIGITAL GND<br />
P1.0<br />
47 48<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND
ADDRESS<br />
ADDRESS<br />
DECODE<br />
8254<br />
PIT<br />
INTERRUPT<br />
CONTROL<br />
2<br />
2<br />
8MHz<br />
OSC<br />
9<br />
I/O CONNECTOR P6<br />
EXTERNAL INTERRUPTS<br />
INCREMENTAL<br />
ENCODER<br />
1<br />
4<br />
8<br />
PC BUS<br />
DATA<br />
INCREMENTAL<br />
ENCODER<br />
2<br />
INCREMENTAL<br />
ENCODER<br />
3<br />
4<br />
8<br />
4<br />
8<br />
I/O CONNECTOR P2<br />
I/O CONNECTOR P3<br />
CONTROL<br />
+5 VOLTS<br />
+5 VOLTS
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
Table 4-1 <strong>DM6814</strong>/DM5814 I/O Map<br />
Address *<br />
(Decimal)<br />
Program starting value into bottom<br />
8 bits of up/down counter BA + 0<br />
Program starting value into top<br />
8 bits of up/down counter BA + 1<br />
Clear chip/latch counter value/<br />
program 2 digital output lines<br />
(dependent on BA + 3) BA + 2<br />
Program <strong>Inc</strong>remental Encoder 1<br />
control register BA + 3<br />
Program starting value into bottom<br />
8 bits of up/down counter BA + 4<br />
Program starting value into top<br />
8 bits of up/down counter BA + 5<br />
Clear chip/latch counter value/<br />
program 2 digital output lines<br />
(dependent on BA + 7) BA + 6<br />
Program <strong>Inc</strong>remental Encoder 2<br />
control register BA + 7<br />
Program starting value into bottom<br />
8 bits of up/down counter BA + 8<br />
Program starting value into top<br />
8 bits of up/down counter BA + 9<br />
Clear chip/latch counter value/<br />
program 2 digital output lines<br />
(dependent on BA + 11) BA + 10<br />
Program <strong>Inc</strong>remental Encoder 3<br />
control register BA + 11<br />
Register Description Read Function Write Function<br />
<strong>Inc</strong>remental Encoder 1<br />
LSB<br />
<strong>Inc</strong>remental Encoder 1<br />
MSB<br />
<strong>Inc</strong>remental Encoder 1<br />
Clear/Hold/Digital I/O<br />
<strong>Inc</strong>remental Encoder 1<br />
Chip Mode Register<br />
<strong>Inc</strong>remental Encoder 2<br />
LSB<br />
<strong>Inc</strong>remental Encoder 2<br />
MSB<br />
<strong>Inc</strong>remental Encoder 2<br />
Clear/Hold/Digital I/O<br />
<strong>Inc</strong>remental Encoder 2<br />
Chip Mode Register<br />
<strong>Inc</strong>remental Encoder 3<br />
LSB<br />
<strong>Inc</strong>remental Encoder 3<br />
MSB<br />
<strong>Inc</strong>remental Encoder 3<br />
Clear/Hold/Digital I/O<br />
<strong>Inc</strong>remental Encoder 3<br />
Chip Mode Register<br />
Read bottom 8 bits of up/down<br />
counter<br />
Read top 8 bits of up/down<br />
counter<br />
Clear IRQ status flag/read 8 digital<br />
input lines (dependent on BA + 3)<br />
Read <strong>Inc</strong>remental Encoder 1<br />
control register<br />
Read bottom 8 bits of up/down<br />
counter<br />
Read top 8 bits of up/down<br />
counter<br />
Clear IRQ status flag/read 8 digital<br />
input lines (dependent on BA + 7)<br />
Read <strong>Inc</strong>remental Encoder 2<br />
control register<br />
Read bottom 8 bits of up/down<br />
counter<br />
Read top 8 bits of up/down<br />
counter<br />
Clear IRQ status flag/read 8 digital<br />
input lines (dependent on BA + 11)<br />
Read <strong>Inc</strong>remental Encoder 3<br />
control register<br />
8254 TC Counter 0 Read value in Counter 0 Load count in Counter 0 BA + 12<br />
8254 TC Counter 1 Read value in Counter 1 Load count in Counter 1 BA + 13<br />
8254 TC Counter 2 Read value in Counter 2 Load count in Counter 2 BA + 14<br />
8254 Control Word Reserved Program counter mode BA + 15<br />
Enable interrupt line (P14), Disable<br />
Clear IRQ/IRQ Enable Clear interrupt line (P14)<br />
interrupt sharing BA + 16<br />
IRQ Status Read interrupt status Reserved BA + 17<br />
Reserved Reserved Reserved BA + 18<br />
Reserved Reserved Reserved BA + 19<br />
* BA = Base Address
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
%$6,& 'DWD ,13$GGUHVV 287Ã$GGUHVV'DWD<br />
7XUERÃ& 'DWD LQSRUWE$GGUHVV RXWSRUWE$GGUHVV'DWD<br />
7XUERÃ3DVFDO 'DWD 3RUW>$GGUHVV@ 3RUW>$GGUHVV@ 'DWD<br />
$VVHPEO\<br />
PRYÃ G[$GGUHVV<br />
LQÃDOG[<br />
PRYÃ G[$GGUHVV<br />
PRYÃDO'DWD<br />
RXWÃG[DO<br />
<br />
<br />
<br />
<br />
<br />
<br />
&<br />
È<br />
DÃ ÃEÃÈÃF<br />
<br />
DÃ ÃEÃÃF<br />
É<br />
DÃ ÃEÃÉÃF<br />
_<br />
DÃ ÃEÃ_ÃF<br />
3DVFDO<br />
02'<br />
DÃ ÃEÃ02'ÃF<br />
',9<br />
DÃ ÃEÃ',9ÃF<br />
$1'<br />
DÃ ÃEÃ$1'ÃF<br />
25<br />
DÃ ÃEÃ25ÃF<br />
%$6,&<br />
02'<br />
DÃ ÃEÃ02'ÃF<br />
?<br />
DÃ ÃEÃ?ÃF<br />
$1'<br />
DÃ ÃEÃ$1'ÃF<br />
25<br />
DÃ ÃEÃ25ÃF
V_SAVE = V_SAVE AND 223<br />
OUT PortAddress, V<br />
<br />
<br />
<br />
V_Save = V_Save OR 8;<br />
Port[PortAddress] := V_Save;<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 171;<br />
outportb(port_address, v_save);<br />
<br />
<br />
<br />
<br />
<br />
<br />
mov al, v_save<br />
or al, 168<br />
mov dx, PortAddress<br />
out dx, al<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 199;<br />
v_save = v_save | 40;<br />
outportb(port_address, v_save);
V_SAVE = V_SAVE AND 223<br />
OUT PortAddress, V<br />
<br />
<br />
<br />
V_Save = V_Save OR 8;<br />
Port[PortAddress] := V_Save;<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 171;<br />
outportb(port_address, v_save);<br />
<br />
<br />
<br />
<br />
<br />
<br />
mov al, v_save<br />
or al, 168<br />
mov dx, PortAddress<br />
out dx, al<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 199;<br />
v_save = v_save | 40;<br />
outportb(port_address, v_save);
V_SAVE = V_SAVE AND 223<br />
OUT PortAddress, V<br />
<br />
<br />
<br />
V_Save = V_Save OR 8;<br />
Port[PortAddress] := V_Save;<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 171;<br />
outportb(port_address, v_save);<br />
<br />
<br />
<br />
<br />
<br />
<br />
mov al, v_save<br />
or al, 168<br />
mov dx, PortAddress<br />
out dx, al<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 199;<br />
v_save = v_save | 40;<br />
outportb(port_address, v_save);
V_SAVE = V_SAVE AND 223<br />
OUT PortAddress, V<br />
<br />
<br />
<br />
V_Save = V_Save OR 8;<br />
Port[PortAddress] := V_Save;<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 171;<br />
outportb(port_address, v_save);<br />
<br />
<br />
<br />
<br />
<br />
<br />
mov al, v_save<br />
or al, 168<br />
mov dx, PortAddress<br />
out dx, al<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
v_save = v_save & 199;<br />
v_save = v_save | 40;<br />
outportb(port_address, v_save);
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
8254<br />
P5<br />
ON-BOARD<br />
I/O CONNECTOR<br />
P6<br />
TIMER/<br />
COUNTER<br />
0<br />
CLK<br />
GATE<br />
CLK0<br />
XTAL (8 MHz)<br />
+5 V<br />
PIN 1<br />
PIN 2<br />
EXT CLK 0<br />
EXT GATE 0<br />
OUT<br />
PIN 3<br />
T/C OUT 0<br />
OUT0<br />
CLK1<br />
TIMER/<br />
COUNTER<br />
1<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 5<br />
PIN 6<br />
EXT CLK 1<br />
EXT GATE 1<br />
OUT<br />
OUT1<br />
CLK2<br />
PIN 7<br />
T/C OUT 1<br />
TIMER/<br />
COUNTER<br />
2<br />
CLK<br />
GATE<br />
+5 V<br />
PIN 9<br />
PIN 10<br />
EXT CLK 2<br />
EXT GATE 2<br />
OUT<br />
PIN 11<br />
T/C OUT 2
void interrupt ISR(void)<br />
{<br />
/* Your code goes here. Do not use any DOS functions! */<br />
inportb(BaseAddress + 16); /* Clear jumper selectable interrupt */<br />
outportb(0x20, 0x20); /* Send EOI command to 8259 */<br />
}<br />
<br />
Procedure ISR; Interrupt;<br />
begin<br />
{ Your code goes here. Do not use any DOS functions! }<br />
c := Port[BaseAddress + 16]; { Clear jumper selectable interrupt }<br />
Port[$20] := $20; { Send EOI command to 8259 }<br />
end;
void interrupt ISR(void)<br />
{<br />
/* Your code goes here. Do not use any DOS functions! */<br />
inportb(BaseAddress + 16); /* Clear jumper selectable interrupt */<br />
outportb(0x20, 0x20); /* Send EOI command to 8259 */<br />
}<br />
<br />
Procedure ISR; Interrupt;<br />
begin<br />
{ Your code goes here. Do not use any DOS functions! }<br />
c := Port[BaseAddress + 16]; { Clear jumper selectable interrupt }<br />
Port[$20] := $20; { Send EOI command to 8259 }<br />
end;
void interrupt ISR(void)<br />
{<br />
/* Your code goes here. Do not use any DOS functions! */<br />
inportb(BaseAddress + 16); /* Clear jumper selectable interrupt */<br />
outportb(0x20, 0x20); /* Send EOI command to 8259 */<br />
}<br />
<br />
Procedure ISR; Interrupt;<br />
begin<br />
{ Your code goes here. Do not use any DOS functions! }<br />
c := Port[BaseAddress + 16]; { Clear jumper selectable interrupt }<br />
Port[$20] := $20; { Send EOI command to 8259 }<br />
end;
INC ENC3 IRQIN<br />
1 2<br />
EXT INT 1<br />
OVERFLOW3 OUT<br />
3 4<br />
DIGITAL GND<br />
INC ENC3 CHB<br />
INC ENC3 CHA<br />
5 6<br />
7 8<br />
DIGITAL GND<br />
DIGITAL GND<br />
PIN 2<br />
P4.3<br />
9 10<br />
DIGITAL GND<br />
P4.2<br />
11 12<br />
DIGITAL GND<br />
P4.1<br />
13 14<br />
DIGITAL GND<br />
P4.0<br />
15 16<br />
DIGITAL GND<br />
INC ENC2 IRQIN<br />
OVERFLOW2 OUT<br />
17 18<br />
19 20<br />
DIGITAL GND<br />
DIGITAL GND<br />
PIN 1<br />
INC ENC2 CHB<br />
21 22<br />
DIGITAL GND<br />
INC ENC2 CHA<br />
23 24<br />
DIGITAL GND<br />
P2.3<br />
25 26<br />
DIGITAL GND<br />
P2.2<br />
27 28<br />
DIGITAL GND<br />
P2.1<br />
29 30<br />
DIGITAL GND<br />
P2.0<br />
31 32<br />
DIGITAL GND<br />
INC ENC1 IRQIN<br />
33 34<br />
DIGITAL GND<br />
OVERFLOW1 OUT<br />
35 36<br />
DIGITAL GND<br />
INC ENC1 CHB<br />
37 38<br />
DIGITAL GND<br />
INC ENC1 CHA<br />
P0.3<br />
P0.2<br />
39 40<br />
41 42<br />
43 44<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
PIN 50<br />
P0.1<br />
45 46<br />
DIGITAL GND<br />
P0.0<br />
47 48<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND<br />
PIN 49<br />
<br />
N.C.<br />
1 2<br />
EXT INT 2<br />
N.C.<br />
3 4<br />
DIGITAL GND<br />
N.C.<br />
5 6<br />
DIGITAL GND<br />
N.C.<br />
7 8<br />
DIGITAL GND<br />
P5.3<br />
9 10<br />
DIGITAL GND<br />
P5.2<br />
11 12<br />
DIGITAL GND<br />
P5.1<br />
13 14<br />
DIGITAL GND<br />
P5.0<br />
15 16<br />
DIGITAL GND<br />
N.C.<br />
N.C.<br />
N.C.<br />
N.C.<br />
P3.3<br />
P3.2<br />
P3.1<br />
P3.0<br />
17 18<br />
19 20<br />
21 22<br />
23 24<br />
25 26<br />
27 28<br />
29 30<br />
31 32<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
DIGITAL GND<br />
P2 & P3 Mating Connector Part Numbers<br />
Manufacturer<br />
Part Number<br />
AMP 1-746094-0<br />
3M 3425-7650<br />
N.C.<br />
33 34<br />
DIGITAL GND<br />
N.C.<br />
35 36<br />
DIGITAL GND<br />
N.C.<br />
37 38<br />
DIGITAL GND<br />
N.C.<br />
39 40<br />
DIGITAL GND<br />
P1.3<br />
41 42<br />
DIGITAL GND<br />
P1.2<br />
43 44<br />
DIGITAL GND<br />
P1.1<br />
45 46<br />
DIGITAL GND<br />
P1.0<br />
47 48<br />
DIGITAL GND<br />
+5 VOLTS<br />
49 50<br />
DIGITAL GND
EXT CLK 0<br />
T/C OUT 0<br />
EXT CLK 1<br />
T/C OUT 1<br />
EXT CLK 2<br />
T/C OUT 2<br />
1 2<br />
3 4<br />
5 6<br />
7 8<br />
9 10<br />
11 12<br />
EXT GATE 0<br />
DIGITAL GND<br />
EXT GATE 1<br />
DIGITAL GND<br />
EXT GATE 2<br />
DIGITAL GND
Register Description Read Function Write Function<br />
Address *<br />
(Decimal)<br />
Digital I/O Port 0 Read Port 0 digital input lines Program Port 0 digital output lines BA + 0<br />
Digital I/O Port 1 Read Port 1 digital input lines Program Port 1 digital output lines BA + 1<br />
Clear IRQ/Program Port<br />
Direction & IRQ Source<br />
Clear digital IRQ status flag/read<br />
Port 0 direction, Port 1 direction or<br />
IRQ source (dependent on BA + 3)<br />
Clear digital chip/program Port 0<br />
direction, Port 1 direction or IRQ<br />
source (dependent on BA + 3) BA + 2<br />
Read Digital IRQ Status/<br />
Set Digital Control Register Read digital interrupt status word Program digital control register BA + 3<br />
<br />
Register Description Read Function Write Function<br />
Address *<br />
(Decimal)<br />
Digital I/O Port 2 Read Port 2 digital input lines Program Port 2 digital output lines BA + 4<br />
Digital I/O Port 3 Read Port 3 digital input lines Program Port 3 digital output lines BA + 5<br />
Clear IRQ/Program Port<br />
Direction & IRQ Source<br />
Clear digital IRQ status flag/read<br />
Port 2 direction, Port 3 direction or<br />
IRQ source (dependent on BA + 7)<br />
Clear digital chip/program Port 2<br />
direction, Port 3 direction or IRQ<br />
source (dependent on BA + 7) BA + 6<br />
Read Digital IRQ Status/<br />
Set Digital Control Register Read digital interrupt status word Program digital control register BA + 7<br />
<br />
Register Description Read Function Write Function<br />
Address *<br />
(Decimal)<br />
Digital I/O Port 4 Read Port 4 digital input lines Program Port 4 digital output lines BA + 8<br />
Digital I/O Port 5 Read Port 5 digital input lines Program Port 5 digital output lines BA + 9<br />
Clear IRQ/Program Port<br />
Clear digital IRQ status flag/read<br />
Port 4 direction, Port 5 direction or<br />
Clear digital chip/program Port 4<br />
direction, Port 5 direction or IRQ<br />
Direction & IRQ Source IRQ source (dependent on BA + 11) source (dependent on BA + 11) BA + 10<br />
Read Digital IRQ Status/<br />
Set Digital Control Register Read digital interrupt status word Program digital control register BA + 11
D7 D6 D5 D4 D3 D2 D1 D0<br />
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D7 D6 D5 D4 D3 D2 D1 D0<br />
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D7 D6 D5 D4 D3 D2 D1 D0<br />
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<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0<br />
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D7 D6 D5 D4 D3 D2 D1 D0<br />
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D7 D6 D5 D4 D3 D2 D1 D0
Register Description Read Function Write Function<br />
Address *<br />
(Decimal)<br />
Digital I/O Port 0 Read Port 0 digital input lines Program Port 0 digital output lines BA + 0<br />
Digital I/O Port 1 Read Port 1 digital input lines Program Port 1 digital output lines BA + 1<br />
Port 0 Clear/<br />
Direction/Mask/Compare<br />
Clear digital IRQ status flag/read<br />
Port 0 direction, mask or compare<br />
register (dependent on BA + 3)<br />
Clear digital chip/program Port 0<br />
direction, mask or compare register<br />
(dependent on BA + 3) BA + 2<br />
Read Digital IRQ Status/<br />
Set Digital Control Register Read digital interrupt status word Program digital control register BA + 3<br />
<br />
<br />
Register Description Read Function Write Function<br />
Address *<br />
(Decimal)<br />
Digital I/O Port 2 Read Port 2 digital input lines Program Port 2 digital output lines BA + 4<br />
Digital I/O Port 3 Read Port 3 digital input lines Program Port 3 digital output lines BA + 5<br />
Port 2 Clear/<br />
Direction/Mask/Compare<br />
Clear digital IRQ status flag/read<br />
Port 2 direction, mask or compare<br />
register (dependent on BA + 7)<br />
Clear digital chip/program Port 2<br />
direction, mask or compare register<br />
(dependent on BA + 7) BA + 6<br />
Read Digital IRQ Status/<br />
Set Digital Control Register Read digital interrupt status word Program digital control register BA + 7<br />
<br />
Register Description Read Function Write Function<br />
Address *<br />
(Decimal)<br />
Digital I/O Port 4 Read Port 4 digital input lines Program Port 4 digital output lines BA + 8<br />
Digital I/O Port 5 Read Port 5 digital input lines Program Port 5 digital output lines BA + 9<br />
Port 4 Clear/<br />
Direction/Mask/Compare<br />
Clear digital IRQ status flag/read<br />
Port 4 direction, mask or compare<br />
register (dependent on BA + 11)<br />
Clear digital chip/program Port 4<br />
direction, mask or compare register<br />
(dependent on BA + 3) BA + 10<br />
Read Digital IRQ Status/<br />
Set Digital Control Register Read digital interrupt status word Program digital control register BA + 11
D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
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D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
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<br />
<br />
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<br />
<br />
<br />
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D7 D6 D5 D4 D3 D2 D1 D0<br />
<br />
<br />
<br />
<br />
<br />
<br />
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0<br />
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D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
CLOCK<br />
DIGITAL INPUT<br />
IRQ OUT
CLOCK<br />
DIGITAL INPUT<br />
IRQ OUT
CLOCK<br />
DIGITAL INPUT<br />
IRQ OUT
CLOCK<br />
DIGITAL INPUT<br />
IRQ OUT
<strong>DM6814</strong>/DM5814 User Settings<br />
Base I/O Address:<br />
(hex)<br />
(decimal)<br />
IRQ Channel:
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