MCP23018 查看數據表（PDF） - Microchip Technology

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MCP23018

16-Bit I/O Expander with Open-Drain Outputs

Microchip Technology 

MCP23018/MCP23S18

Package Types:

MCP23S18

VSS 1

NC 2

GPB0 3

GPB1 4

GPB2 5

GPB3 6

GPB4 7

GPB5 8

GPB6 9

GPB7 10

VDD 11

CS 12

SCK 13

SI 14

PDIP/SOIC

28 NC

27 GPA7

26 GPA6

25 GPA5

24 GPA4

23 GPA3

22 GPA2

21 GPA1

20 GPA0

19 INTA

18 INTB

17 NC

16 RESET

15 SO

QFN *

GPB1 1

GPB2 2

GPB3 3

GPB4 4

GPB5 5

GPB6 6

18 GPA3

17 GPA2

EP

25

16 GPA1

15 GPA0

14 INTA *

13 RESET

* INTB is not bonded out. Can be controlled in

IOCON.MIRROR

© 2008 Microchip Technology Inc.

DS22103A-page 3

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