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MCP23009TESS 数据表(PDF) 13 Page - Microchip Technology

部件名 MCP23009TESS
功能描述  8-Bit I/O Expander with Open-Drain Outputs
PDF  50 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP23009TESS 数据表(HTML) 13 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22121B-page 13
MCP23009/MCP23S09
FIGURE 1-8:
I2C™ ADDRESSING REGISTERS
FIGURE 1-9:
SPI ADDRESSING REGISTERS
S0
1
0
0
A2
A1 A0
0
ACK
A7A6A5
A4A3
A2A1A0
ACK
Device Opcode
Register Address
R/W = 0
The ACKs are provided by the MCP23009.
0
1000
00
R/W
A7
A6
A5
A4
A3
A2
A1
A0
Device Opcode
Register Address
CS



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