AN2120: Connecting an M68HC08 Family Microcontroller to an ...
AN2120: Connecting an M68HC08 Family Microcontroller to an ...
AN2120: Connecting an M68HC08 Family Microcontroller to an ...
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Application Note<br />
V CC<br />
C4 0.1 μF<br />
R5<br />
10 kΩ<br />
C1<br />
15 pF<br />
C10<br />
0.033 μF<br />
GND<br />
C9<br />
GND<br />
GND<br />
0.01 μF<br />
R1<br />
10 MΩ<br />
X1<br />
32.768 kHz<br />
RESET<br />
C3<br />
R2<br />
10 kΩ<br />
0.1 μF<br />
GND<br />
S1<br />
40<br />
41<br />
42<br />
16<br />
31<br />
17<br />
30<br />
44<br />
43<br />
C2<br />
15 pF<br />
11<br />
9<br />
10<br />
1<br />
V DDA<br />
V SSA<br />
CGMXFC<br />
V SS<br />
V DD<br />
OSC1<br />
OSC2<br />
IRQ<br />
PTE0/TxD<br />
PTE1/RxD<br />
RESET<br />
U1<br />
MC68HC908GP32<br />
V SSAD/V refL<br />
V DDAD /V refH<br />
PA0/KBD0<br />
PA1/KBD1<br />
PA2/KBD2<br />
PA3/KBD3<br />
PA4/KBD4<br />
PA5/KBD5<br />
PA6/KBD6<br />
PA7/KBD7<br />
PB0/AD0<br />
PB1/AD1<br />
PB2/AD2<br />
PB3/AD3<br />
PB4/AD4<br />
PB5/AD5<br />
PB6/AD6<br />
PB7/AD7<br />
PC0<br />
PC1<br />
PC2<br />
PC3<br />
PC4<br />
PC5<br />
PC6<br />
PD0/SS<br />
PD1/MISO<br />
PD2/MOSI<br />
PD3/SPSCK<br />
PD4/T1CH0<br />
PD5/T1CH1<br />
PD6/T2CH0<br />
PD7/T2CH1<br />
32<br />
33<br />
34<br />
35<br />
36<br />
37<br />
38<br />
39<br />
22<br />
23<br />
24<br />
25<br />
26<br />
27<br />
28<br />
29<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
12<br />
13<br />
14<br />
15<br />
18<br />
19<br />
20<br />
21<br />
R3<br />
220 Ω<br />
D1<br />
GND<br />
IP ON-LINE<br />
LED<br />
Figure 34. MC68HC908GP32 UDP/IP Implementation<br />
<strong>AN2120</strong><br />
46 MOTOROLA<br />
JP1<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
8-PIN HEADER<br />
J1<br />
POWER JACK<br />
GND<br />
3<br />
VIn 1<br />
VOut C14<br />
0.47 μF<br />
GND<br />
2<br />
V CC<br />
C5<br />
0.1 μF<br />
C6<br />
0.1 μF<br />
GND<br />
1<br />
3<br />
4<br />
5<br />
C1+<br />
C1–<br />
C2+<br />
C2–<br />
11 T1In<br />
12 R1Out<br />
9 R2Out<br />
10 T2In<br />
U3<br />
LM78L05<br />
C11<br />
0.1 μF<br />
U2<br />
MAX220<br />
V CC<br />
V+<br />
V–<br />
GND<br />
T1 Out<br />
R2 In<br />
T2 Out<br />
R1 In<br />
C12<br />
0.1 μF<br />
16<br />
C7<br />
2 0.1 μF<br />
6<br />
15<br />
14<br />
8<br />
7<br />
13<br />
C15<br />
0.1 μF<br />
GND<br />
SYSTEM V CC<br />
C8<br />
0.1 μF<br />
R4<br />
220 Ω<br />
D2<br />
POWER LED<br />
GND<br />
C13<br />
0.1 μF<br />
5<br />
4<br />
3<br />
2<br />
1<br />
P1<br />
9<br />
8<br />
7<br />
6<br />
CONNECTOR<br />
DB9
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