參數(shù)資料
型號(hào): MCP23S18-E/SO
元件分類: 微控制器/微處理器
英文描述: PIA-GENERAL PURPOSE, PDSO28
封裝: 0.300 INCH, PLASTIC, SOIC-28
文件頁數(shù): 56/56頁
文件大小: 738K
代理商: MCP23S18-E/SO
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
....
S
P
W
R
OP
ADDR
DOUT
....
P
SR
W
OP
ADDR
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
ADDR
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