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AT43USB325 Datasheet(PDF) 95 Page - ATMEL Corporation

Part # AT43USB325
Description  Multimedia USB Keyboard Controller with Embedded Hub
PDF  109 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB325 Datasheet(HTML) 95 Page - ATMEL Corporation

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95
3355C–USB–4/05
AT43USB325
8.5.4.6
Selective Suspend, Embedded Function
8.5.4.7
Selective Resume, Embedded Function
Hardware
Firmware
1.
Set Port Feature PORT_SUSPEND
decoded
2.
Disable Port 1’s endpoints
3.
Set GPIO to low power state if
required
Hardware
Firmware
1.
Clear Port Feature PORT_SUSPEND
decoded
2.
Clear Port 1 suspend status bit
3.
Restore GPIO states if required
4.
Wait 23 ms, then set enable status bit
and suspend change bit
5.
Enable Port 1 endpoints
6.
Send updated port status at next
IN to endpoint1



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