參數(shù)資料
型號: MCP23S17T-E/SO
元件分類: 微控制器/微處理器
英文描述: 16 I/O, PIA-GENERAL PURPOSE, PDSO28
封裝: 7.50 MM, PLASTIC, SOIC-28
文件頁數(shù): 16/48頁
文件大?。?/td> 915K
代理商: MCP23S17T-E/SO
2007 Microchip Technology Inc.
DS21952B-page 23
MCP23017/MCP23S17
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 (ADDR 0x0A)
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: These bits reflect the logic level on the output latch <7:0>
1 = Logic-high.
0 = Logic-low.
相關(guān)PDF資料
PDF描述
MCP23017-E/SP 16 I/O, PIA-GENERAL PURPOSE, PDIP28
MCP23S17-E/SS 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23S17T-E/ML 16 I/O, PIA-GENERAL PURPOSE, PQCC28
MCP23017-E/SO 16 I/O, PIA-GENERAL PURPOSE, PDSO28
MCP23S17T-E/SS 16 I/O, PIA-GENERAL PURPOSE, PDSO28
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