參數(shù)資料
型號: 89C51RD2
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
中文描述: 80C51的8位閃存微控制器系列16KB/32KB/64KB的ISP /聯(lián)合會與512B/512B/1KB內(nèi)存閃存
文件頁數(shù): 4/52頁
文件大小: 289K
代理商: 89C51RD2
Philips Semiconductors
Preliminary specification
89C51RB2/89C51RC2/
89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
1999 Sep 23
4
BLOCK DIAGRAM
SU01065
PSEN
EAV
PP
ALE
RST
XTAL1
XTAL2
V
CC
V
SS
PORT 0
PORT 2
REGISTER
RAM
LATCH
LATCH
FLASH
REGISTER
B
ACC
STACK
TMP2
TMP1
ALU
TAND
CONTROL
I
R
PD
OSCILLATOR
PSW
PORT 1
LATCH
PORT 3
LATCH
PORT 1
DRIVERS
PORT 3
DRIVERS
ADDRESS
REGISTER
BUFFER
PC
INCRE-
COUNTER
DPTR’S
MULTIPLE
P1.0–P1.7
P3.0–P3.7
P0.0–P0.7
P2.0–P2.7
SFRs
TIMERS
P.C.A.
8
8
16
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