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參數(shù)資料
| 型號： | P87C749 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count |
| 中文描述： | 80C51的8位單片機系列2K/64檢察官辦公室/光盤，5通道8位A / D轉(zhuǎn)換，脈寬調(diào)制，低管腳數(shù) |
| 文件頁數(shù)： | 3/22頁 |
| 文件大?。?/td> | 200K |
| 代理商： | P87C749 |
Philips Semiconductors
Preliminary specification
83C749/87C749
80C51 8-bit microcontroller family
2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count
1998 Apr 23
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
PWM
P1.0–P1.7
P3.0–P3.7
P0.0–P0.4
ADC
AV
SS
AV
CC
PORT 0
DRIVERS
RAM ADDR
REGISTER
PORT 0
LATCH
PORT 2
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
SU00305
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