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XRA1404 Datasheet(PDF) 11 Page - Exar Corporation

Part No. XRA1404
Description  8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
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Maker  EXAR [Exar Corporation]
Homepage  http://www.exar.com
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XRA1404 Datasheet(HTML) 11 Page - Exar Corporation

 
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FIGURE 5. SPI-BUS TIMING
TCSH
TCSS
TDS
TDH
TCL
TCH
CS#
SCLK
SI
SO
...
...
...
...
TCSH
TCSW
TDO
TTR
FIGURE 6. READ INPUT PORT TO CLEAR GPIO INT
0
0
A3
1
A2A1A0
X
D7
D6
D5
D4
D3
D2
D 1
D0
CS#
SCL
SI
SO
TD13
INT#
XRA1404
11
REV. 1.0.0
8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS


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