MCP23018 Просмотр технического описания (PDF) - Microchip Technology

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MCP23018

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

Microchip Technology 

MCP23018/MCP23S18

FIGURE 1-8:

I2C™ ADDRESSING REGISTERS

S 0 1 0 0 A2 A1 A0 0 ACK A7 A6 A5 A4 A3 A2 A1 A0 ACK

Device Opcode

R/W = 0

Register Address

The ACKs are provided by the MCP23X18.

FIGURE 1-9:

SPI ADDRESSING REGISTERS

CS

0 1 0 0 0 0 0 R/W A7 A6 A5 A4 A3 A2 A1 A0

Device Opcode

Register Address

DS22103A-page 14

© 2008 Microchip Technology Inc.

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