83C51KB 查看數據表（PDF） - Intel

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83C51KB

HIGH PERFORMANCE KEYBOARD MICROCONTROLLER

Intel 

83C51KB HIGH PERFORMANCE KEYBOARD MICROCONTROLLER

KSO 0–7

P0.0 – P0.7

KSO 8–15

P2.0 – P2.7

VCC

VSS

Port 0

Drivers

Port 0

Drivers

RAM

Port 0

Latch

Port 2

Latch

ROM

ACC

B

Register

TMP2

TMP1

ALU

RST

PSEN#

ALE

EA#

Power On

Reset Ctrl.

Timing

and

Control

VCC

RC

Osc.

PSW

Port 1

Latch

Port 1

Drivers

Stack

Pointer

SFRs

Timer

Program

Address

Register

Buffer

PC

Incrementer

Program

Counter

DPTR

Port 3

Latch

Port 3

Drivers

KSI 0–7

P1.0 – P1.7

CLK, Data, LED 0–3

P3.0 – P3.7

Figure 1. 83C51KB Block Diagram

A3350-01

2

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