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P8XCL580HFT View Datasheet(PDF) - Philips Electronics

Part Name
Description
MFG CO.
'P8XCL580HFT' PDF : 80 Pages View PDF
Philips Semiconductors
Low voltage 8-bit microcontrollers with
UART, I2C-bus and ADC
Product specification
P80CL580; P83CL580
handbook, full pagewidth
dotted lines
are valid when
RD or WR are
active
XTAL1
INPUT
ALE
only active
during a read
from external
data memory
only active
during a write
to external
data memory
PSEN
RD
one machine cycle
one machine cycle
S1
S2
S3
S4
S5
S6
S1
S2
S3
S4
S5
S6
P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2 P1 P2
WR
external
program
memory
fetch
BUS
inst.
(PORT 0) in
PORT 2
address
inst.
A0 - A7
in
address A8 - A15
address
inst.
A0 - A7
in
address A8 - A15
address
inst.
A0 - A7
in
address A8 - A15
address
A0 - A7
address A8 - A15
read or
write of
external data
memory
BUS
inst.
(PORT 0) in
PORT 2
address
inst.
A0 - A7
in
address A8 - A15
address
A0 - A7
data output or data input
address A8 - A15 or Port 2 output
address
A0 - A7
address A8 - A15
PORT 0, 2, 3
OUTPUT
PORT 1
OUTPUT
PORT 0, 2, 3
INPUT
SERIAL PORT
SHIFT CLOCK
(MODE 0)
old data
old data
new data
new data
sampling time of I/O port pins during input
MGD681
1997 Mar 14
Fig.44 Instruction cycle timing.
72
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