參數(shù)資料
型號: MCP23S17-E/ML
元件分類: 微控制器/微處理器
英文描述: 16 I/O, PIA-GENERAL PURPOSE, PQCC28
封裝: 6 X 6 MM, PLASTIC, QFN-28
文件頁數(shù): 46/48頁
文件大?。?/td> 915K
代理商: MCP23S17-E/ML
2007 Microchip Technology Inc.
DS21952B-page 7
MCP23017/MCP23S17
FIGURE 1-1:
MCP23017 I2C DEVICE PROTOCOL
S
P
SR
w
R
OP
ADDR
DOUT
DIN
- Start
- Restart
- Stop
- Write
- Read
- Device opcode
- Device register address
- Data out from MCP23017
- Data in to MCP23017
S
P
SR
W
R
OP
ADDR
DIN
....
S
P
W
R
OP
ADDR
DOUT
....
P
SR
W
OP
DIN
....
P
SR
R
DOUT
....
P
OP
DOUT
....
P
SR
OP
DIN
....
P
OP
DIN
S
P
W
OP
ADDR
DIN
....
Byte and Sequential Write
S
W
OP
SR
R
OP
DOUT
....
P
Byte and Sequential Read
S
W
OP
ADDR
DIN
P
S
W
OP
SR
R
OP
DOUT
P
Byte
Sequential
Byte
Sequential
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相關代理商/技術(shù)參數(shù)
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