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AT43USB355 датащи(PDF) 101 Page - ATMEL Corporation

номер детали AT43USB355
подробное описание детали  Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
PDF  115 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB355 датащи(HTML) 101 Page - ATMEL Corporation

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101
AT43USB355
2603G–USB–04/06
Global Resume
The Host resumes signaling, the hardware detects this as global resume and propagates this
signaling to all downstream ports. Finally, the hardware enables the oscillator and asserts the
RSM interrupt.
Remote Wake-up,
Downstream Ports
The hardware detects a connect/disconnect/port resume and propagates resume signaling
upstream. Finally, the hardware enables the oscillator and asserts the RSM interrupt.
Remote Wake-up,
Embedded Function
The hardware detects an INT0/INT1 and propagates resume signaling upstream. Finally, the
hardware enables the oscillator and asserts the RSM and FRWUP interrupts.
Hardware
Firmware
1.Host resumes signaling
2.
Resume signaling detected
3.
Propagate signaling downstream
4.
Enable oscillator
5.
Set RSM bit
→ interrupt
6.
Reset RSM and GBL SUSP bits
7.
Restore GPIO states if required
8.
Clear UOVCER bit 2
9.
Enable peripheral activity
Hardware
Firmware
1.
Connect/disconnect/port resume
detected
2.
Propagate resume signaling
3.
Enable Oscillator
4.
Set RSM bit
→ interrupt
5.
Reset RSM and GBL SUSP bits
6.
Restore GPIO states if required
7.
Clear UOVCER bit 2
8.
Enable peripheral activity
Hardware
Firmware
1.External event activates INT0/INT1
2.
Propagate resume signaling
3.
Enable Oscillator
4.
Set RSM and FRMWUP bits
→
interrupt
5.
Clear GLB SUSP, RSM, FRMWUP bits
6.
Restore GPIO states if required
7.
Clear UOVCER bit 2
8.
Enable peripheral activity



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