參數(shù)資料
型號(hào): AT43USB326-AC
廠商: ATMEL CORP
元件分類(lèi): 微控制器/微處理器
英文描述: Multimedia USB Keyboard Controller with Embedded Hub
中文描述: 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM THICKNESS, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48
文件頁(yè)數(shù): 74/102頁(yè)
文件大?。?/td> 511K
代理商: AT43USB326-AC
74
AT43USB326
3313D–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
Set RSM bit
interrupt
5.
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
Propagate resume signaling
2.
3.
Enable Oscillator
Set RSM bit
interrupt
4.
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
Set RSM and FRMWUP bits
interrupt
4.
5.
Clear GLB SUSP, RSM, FRMWUP bits
6.
Restore GPIO states if required
7.
Clear UOVCER bit 2
8.
Enable peripheral activity
相關(guān)PDF資料
PDF描述
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