參數(shù)資料
型號(hào): PCB80C51BH-4WP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: CMOS single-chip 8-bit microcontrollers
中文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQCC44
文件頁(yè)數(shù): 6/30頁(yè)
文件大小: 411K
代理商: PCB80C51BH-4WP
Philips Semiconductors
Product specification
80C31/80C51/87C51
CMOS single-chip 8-bit microcontrollers
1996 Aug 16
6
BLOCK DIAGRAM
PSEN
EA/V
PP
ALE/PROG
RST
XTAL1
XTAL2
V
CC
V
SS
PORT 0
PORT 2
REGISTER
RAM
LATCH
LATCH
ROM/EPROM
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
PCON
SCON
TH0
TMOD
TL0
TCON
TH1
TL1
SBUF
IE
IP
POINTERRUPT, SERIAL
P1.0–P1.7
P3.0–P3.7
P0.0–P0.7
P2.0–P2.7
SU00005
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