AAT4292 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT4292' PDF : 16 Pages View PDF
SmartSwitchTM
Timing Diagram
PRODUCT DATASHEET
AAT4292
Seven Channel High-Side I/O Expander
Address
Data
EN/SET
1
OUT1 To OUT2
THI
TLO
TLAT
2
32
33(34,35,36)
1
2
T LAT
n≤32
00 (or previous state )
11( or 10,01,00 )
00000 (or previous state )
32-n
Figure 1: AS2Cwire Timing Diagram.
Application Circuits
VIN: 1.8V to 5.5V
1
System
μController
GPIO 2
GPIO 3
GPIO 4
GPIO 5
GPIO 6
GPIO 7
VIN
AAT4292
EN/SET
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
EN 1
EN 2
EN 3
EN 4
EN 5
EN 6
EN 7
GPIO 2 to GPIO 7 are now
free for other uses
Function 1
Function 2
Function 3
Function 4
Function 5
Function 6
Function 7
Figure 2: GPIO I/O Expander
(condense seven GPIO control lines to one).
12
www.analogictech.com
4292.2008.08.1.0
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