MCP23008 查看數據表（PDF） - Unspecified

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MCP23008

8-Bit I/O Expander with Serial Interface

Unspecified 

MCP23008/MCP23S08

Block Diagram

MCP23S08

SCK

SI

SO

MCP23008

SCL

SDA

MCP23S08

A1:A0

A2:A0

3

Serial

Interface

Decode

RESET

INT

Interrupt

Logic

VDD

VSS

POR

Serializer/

Deserializer 8

Control

8

Configuration/

Control

Registers

GPIO

GP0

GP1

GP2

GP3

GP4

GP5

GP6

GP7

DS21919B-page 2

© 2005 Microchip Technology Inc.

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