MCP23009 I2
參數(shù)資料
型號(hào): MCP23009-E/SO
廠商: Microchip Technology
文件頁(yè)數(shù): 49/50頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 18SOIC
標(biāo)準(zhǔn)包裝: 42
接口: I²C
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 3.4MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC
包裝: 管件
產(chǎn)品目錄頁(yè)面: 684 (CN2011-ZH PDF)
MCP23009/MCP23S09
DS22121B-page 8
2009 Microchip Technology Inc.
FIGURE 1-1:
MCP23009 I2C DEVICE PROTOCOL
S
P
SR
w
R
OP
ADDR
DOUT
DIN
- Start
- Restart
- Stop
- Write
- Read
- Device opcode
- Device address
- Data out from MCP23009
- Data in to MCP23009
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
DOUT
....
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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