參數(shù)資料
型號: P83C524
廠商: NXP Semiconductors N.V.
英文描述: 8-bit microcontrollers
中文描述: 8位微控制器
文件頁數(shù): 66/76頁
文件大?。?/td> 400K
代理商: P83C524
1997 Dec 15
66
Philips Semiconductors
Product specification
8-bit microcontrollers
P83C524; P80C528; P83C528
Fig.34 Instruction cycle timing.
andbook, full pagewidth
MBC487 - 1
P1 P2
S1
P1 P2
S2
P1 P2
S3
P1 P2
S4
P1 P2
S5
P1 P2
S6
P1 P2
S1
P1 P2
S2
P1 P2
S3
P1 P2
S4
P1 P2
S5
P1 P2
S6
one machine cycle
one machine cycle
XTAL1
INPUT
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address A8 - A15
address A8 - A15
address A8 - A15
address A8 - A15
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address
A0 - A7
data output or data input
address A8 - A15
address A8 - A15 or Port 2 out
address A8 - A15
old data
new data
sampling time of I/O port pins during input (including INT0 and INT1)
SERIAL
PORT
CLOCK
PORT
INPUT
PORT
OUTPUT
PORT 2
BUS
(PORT 0)
read or
write of
external data
memory
PORT 2
BUS
(PORT 0)
external
program
memory
fetch
WR
RD
only active
during a write
to external
data memory
only active
during a read
from external
data memory
PSEN
ALE
dotted lines
are valid when
RD or WR are
active
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