參數(shù)資料
型號(hào): MCP23S08
廠(chǎng)商: Microchip Technology Inc.
英文描述: 8-Bit I/O Expander with Serial Interface
中文描述: 8位的I / O串行接口擴(kuò)展
文件頁(yè)數(shù): 18/40頁(yè)
文件大?。?/td> 498K
代理商: MCP23S08
MCP23008/MCP23S08
DS21919B-page 18
2005 Microchip Technology Inc.
1.6.11
OUTPUT LATCH REGISTER (OLAT)
The OLAT register provides access to the output
latches. A read from this register results in a read of the
OLAT and not the port itself. A write to this register
modifies the output latches that modify the pins
configured as outputs.
REGISTER 1-11:
OLAT – OUTPUT LATCH REGISTER 0 (ADDR 0x0A)
R/W-0
R/W-0
R/W-0
OL7
OL6
OL5
bit 7
R/W-0
OL4
R/W-0
OL3
R/W-0
OL2
R/W-0
OL1
R/W-0
OL0
bit 0
bit 7-0
OL7:OL0:
These bits reflect the logic level on the output latch <7:0>.
1
= Logic-high.
0
= Logic-low.
Legend:
R = Readable bit
- n = Value at POR
W = Writable bit
1
’ = Bit is set
U = Unimplemented bit, read as ‘
0
0
’ = Bit is cleared
x = Bit is unknown
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