IS80LV51-40PLI 데이터 시트보기 (PDF) - Integrated Silicon Solution

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IS80LV51-40PLI

CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER

Integrated Silicon Solution 

IS80LV51

IS80LV31

VCC

P2.0-P2.7

P2

DRIVERS

RAM ADDR

REGISTER

ADDRESS

DECODER

& 128

BYTES RAM

P2

LATCH

P0.0-P0.7

P0

DRIVERS

P0

LATCH

ADDRESS

DECODER

&

4K ROM

ISSI ®

B

REGISTER

STACK

POINT

PCON SCON TMOD TCON

TH0 TL0 TH1

TL1

SBUF IE

IP

INTERRUPT BLOCK

SERIAL PORT BLOCK

TIMER BLOCK

ACC

TMP2

TMP1

ALU

PSW

PSEN

ALE

RST

EA

TIMING

AND

CONTROL

OSCILLATOR

XTAL1

XTAL2

P3

LATCH

P3

DRIVERS

P1

LATCH

P1

DRIVERS

P3.0-P3.7

P1.0-P1.7

PROGRAM

ADDRESS

REGISTER

PROGRAM

COUNTER

PC

INCREMENTER

BUFFER

DPTR

Figure 4. IS80LV51/31 Block Diagram

4

Integrated Silicon Solution, Inc.

ADVANCE INFORMATION MC018-0A

10/01/98

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