參數(shù)資料
型號(hào): 87C748
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count
中文描述: 80C51的8位單片機(jī)系列2K/64檢察官辦公室/光盤(pán),低接腳數(shù)
文件頁(yè)數(shù): 3/18頁(yè)
文件大小: 147K
代理商: 87C748
Philips Semiconductors
Preliminary specification
83C748/87C748
80C51 8-bit microcontroller family
2K/64 OTP/ROM, low pin count
1999 Apr 15
3
BLOCK DIAGRAM
RST
X1
X2
V
CC
V
SS
RAM
ROM/
EPROM
ACC
TMP2
TMP1
ALU
I
R
PD
OSCILLATOR
PSW
BUFFER
DPTR
PCON
TCON
IE
TL0
RTL
TH0
RTH
INTERRUPT AND
TIMER BLOCKS
P1.0–P1.7
P3.0–P3.7
P0.0–P0.2
PORT 0
DRIVERS
RAM ADDR
REGISTER
PORT 0
LATCH
STACK
POINTER
PROGRAM
ADDRESS
REGISTER
PC
INCRE-
MENTER
PROGRAM
COUNTER
PORT 3
DRIVERS
PORT 1
DRIVERS
PORT 3
LATCH
PORT 1
LATCH
TIMING
AND
CONTROL
B
REGISTER
SU00296
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