參數(shù)資料
型號： 935260833557
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP44
封裝： 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, SOT-389-1, LQFP-44
文件頁數(shù)： 16/35頁
文件大?。?/td> 176K
代理商： 935260833557
1999 Apr 16
23
Philips Semiconductors
Product specication
Low-voltage microcontroller with 63-kbyte
OTP program memory and 2-kbyte RAM
P87CL881H
Fig.11 Instruction cycle timing.
handbook, full pagewidth
MGA180
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
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
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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