參數(shù)資料
型號: IS80C31-12PQI
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: 微控制器/微處理器
英文描述: CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
中文描述: 8-BIT, 12 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 4/43頁
文件大?。?/td> 337K
代理商: IS80C31-12PQI
IS80C51
IS80C31
4
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC003-1D
11/19/98
ISSI
Figure 4. IS80C51/31 Block Diagram
PCON
SCON
TH0
TMOD TCON
TL0
TH1
TL1
SBUF
IE
IP
INTERRUPT BLOCK
SERIAL PORT BLOCK
TIMER BLOCK
P3
DRIVERS
P3
LATCH
PSW
TIMING
AND
CONTROL
OSCILLATOR
XTAL2
XTAL1
I
R
P3.0-P3.7
P1
DRIVERS
P1
LATCH
DPTR
BUFFER
PC
INCREMENTER
PROGRAM
COUNTER
PROGRAM
ADDRESS
REGISTER
P1.0-P1.7
P2.0-P2.7
P0.0-P0.7
PSEN
ALE
RST
EA
TMP2
ALU
ACC
STACK
POINT
B
REGISTER
VCC
RAM ADDR
REGISTER
P2
LATCH
P0
LATCH
P2
DRIVERS
P0
DRIVERS
ADDRESS
DECODER
& 128
BYTES RAM
ADDRESS
DECODER
&
4K ROM
TMP1
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