参数资料
型号: MCP23S09T-E/MG
元件分类: 微控制器/微处理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PQCC16
封装: 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, QFN-16
文件页数: 19/50页
文件大小: 607K
代理商: MCP23S09T-E/MG
MCP23009/MCP23S09
DS22121B-page 26
2009 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 modifies the pins
configured as outputs.
REGISTER 1-11:
OLAT – OUTPUT LATCH REGISTER 0
R/W-0
OL7
OL6
OL5
OL4
OL3
OL2
OL1
OL0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
OL7:OL0: Reflects the logic level on the output latch <7:0>.
1
=Logic-high
0
= Logic-low
相关PDF资料
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MCP23009T-E/MG 8 I/O, PIA-GENERAL PURPOSE, PQCC16
MCP23016-I/ML 16 I/O, PIA-GENERAL PURPOSE, PQCC28
MCP23016-I/SS 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23016-I/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23016-I/SP 16 I/O, PIA-GENERAL PURPOSE, PDIP28
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