at43usb320a ATMEL Corporation, at43usb320a Datasheet - Page 99

• Manufacturer Part Number: at43usb320a
• Description: Full-speed Usb Microcontroller With An Embedded Hub
• Manufacturer: ATMEL Corporation

Selective Suspend,
Embedded Function
Selective Resume,
Embedded Function
1443E–USB–4/04
6. Send updated port status at next
IN to endpoint1
Hardware
Hardware
1. Set Port Feature PORT_SUSPEND
2. Disable Port 5’s endpoints
3. Set GPIO to low power state if required
1. Clear Port Feature PORT_SUSPEND
2. Clear Port 5 suspend status bit
3. Restore GPIO states if required
4. Wait 23 ms, then set enable status bit
5. Enable Port 5 endpoints
decoded
decoded
and suspend change bit
Firmware
Firmware
AT43USB320A
99