AT43USB355M-AC ATMEL [ATMEL Corporation], AT43USB355M-AC Datasheet - Page 102

• Manufacturer Part Number: AT43USB355M-AC
• Description: Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
• Manufacturer: ATMEL [ATMEL Corporation]

Selective Suspend,
Downstream Ports
Selective Suspend,
Embedded Function
Selective Resume,
Embedded Function
102
AT43USB355
3. Suspend or resume port per
6. Send updated port status at next
command
IN to end-point1
Hardware
Hardware
Hardware
1. Set or Clear Port Feature
2. Write HPCON[2:0] and HPADD[2:0]
1. Set Port Feature PORT_SUSPEND
2. Disable Port 1’s end-points
3. Set GPIO to low power state if required
1. Clear Port Feature PORT_SUSPEND
2. Clear Port 1 suspend status bit
3. Restore GPIO states if required
4. Wait 23 ms, then set enable status bit
5. Enable Port 1 end-points
PORT_SUSPEND decoded
bits
decoded
decoded
and suspend change bit
Firmware
Firmware
Firmware
2603G–USB–04/06