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MCP23018T-E/MJ 数据表(PDF) 9 Page - Microchip Technology

部件名 MCP23018T-E/MJ
功能描述  16-Bit I/O Expander with Open-Drain Outputs
PDF  56 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP23018T-E/MJ 数据表(HTML) 9 Page - Microchip Technology

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© 2008 Microchip Technology Inc.
DS22103A-page 9
MCP23018/MCP23S18
FIGURE 1-1:
MCP23018 I2C™ DEVICE PROTOCOL
S
P
SR
w
R
OP
ADDR
DOUT
DIN
- Start
- Restart
- Stop
- Write
- Read
- Device opcode
- Device address
- Data out from MCP23018
- Data in to MCP23018
S
P
SR
W
R
OP
ADDR
DIN
DIN
....
S
P
W
R
OP
ADDR
DOUT
DOUT
....
P
SR
W
OP
ADDR
DIN
....
P
P
SR
R
DOUT
DOUT
....
P
OP
DOUT
DOUT
....
P
SR
OP
DIN
....
P
OP
DIN
S
P
W
OP
ADDR
DIN
DIN
....
Byte and Sequential Write
S
W
OP
SR
R
OP
DOUT
DOUT
....
P
Byte and Sequential Read
S
W
OP
ADDR
DIN
P
S
W
OP
SR
R
OP
DOUT
P
Byte
Sequential
Byte
Sequential
ADDR
ADDR



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