參數(shù)資料
型號(hào): P87C749EBDDB
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
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: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDSO28
封裝: 5.30 MM, PLASTIC, MO-150AH, SOT-341-1, SSOP-28
文件頁(yè)數(shù): 3/22頁(yè)
文件大?。?/td> 200K
代理商: P87C749EBDDB
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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