參數(shù)資料
型號: MCP23S09T-E/MG
廠商: Microchip Technology
文件頁數(shù): 19/50頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER SPI 8B 16QFN
標(biāo)準(zhǔn)包裝: 3,300
接口: SPI
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 10MHz
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: 16-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-QFN-EP(3x3)
包裝: 帶卷 (TR)
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
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