DATA SHEET - IEETA

Philips Semiconductors Product specification
8-bit microcontroller with on-chip CAN P8xC592
handbook, full pagewidth
dotted lines
are valid when
RD or WR are
active
only active
during a read
from external
data memory
only active
during a write
to external
data memory
external
program
memory
fetch
read or
write of
external data
memory
XTAL1
INPUT
ALE
PSEN
RD
WR
BUS
(PORT 0)
PORT 2
BUS
(PORT 0)
PORT 2
PORT
OUTPUT
PORT
INPUT
SERIAL
PORT
CLOCK
S1
P1 P2
inst.
in
inst.
in
S2
P1 P2
address
A0 - A7
address
A0 - A7
S3
P1 P2
S4
P1 P2
S5
P1 P2
1996 Jun 27 87
one machine cycle one machine cycle
inst.
in
address A8 - A15
inst.
in
address A8 - A15
address
A0 - A7
address
A0 - A7
The Port 5 input buffers have a maximum propagation delay of 300 ns.
As a result Port 5 sample time begins 300 ns before state S5 and ends
when S5 has finished.
S6
P1 P2
S1
P1 P2
inst.
in
address A8 - A15
S2
P1 P2
address
A0 - A7
S3
P1 P2
S4
P1 P2
inst.
in
address A8 - A15
data output or data input
address A8 - A15 or Port 2 out
old data new data
sampling time of I/O port pins during input (including INT0 and INT1)
Fig.30 Instruction cycle timing.
S5
P1 P2
address
A0 - A7
S6
P1 P2
address A8 - A15
address
A0 - A7
address A8 - A15
MGA180