參數(shù)資料
型號(hào): P87CL881H
廠商: NXP Semiconductors N.V.
英文描述: Low-voltage microcontroller with 63-kbyte OTP program memory and 2-kbyte RAM(帶63K字節(jié)OTP程序存儲(chǔ)器和2K字節(jié)RAM的低壓微控制器)
中文描述: 低63字節(jié)OTP程序存儲(chǔ)器和2K字節(jié)RAM電壓微控制器(帶檢察官辦公室63K字節(jié)程序存儲(chǔ)器和2K字節(jié)的RAM的低壓微控制器)
文件頁(yè)數(shù): 23/32頁(yè)
文件大?。?/td> 139K
代理商: P87CL881H
1999 Apr 16
23
Philips Semiconductors
Product specification
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
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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