參數(shù)資料
型號(hào): AT43USB353M-AC
廠商: ATMEL CORP
元件分類(lèi): 微控制器/微處理器
英文描述: Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
中文描述: 8-BIT, MROM, 24 MHz, RISC MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48
文件頁(yè)數(shù): 84/95頁(yè)
文件大小: 568K
代理商: AT43USB353M-AC
84
AT43USB353M
3307B–USB–4/04
Selective Suspend,
Downstream Ports
Selective Suspend,
Embedded Function
Selective Resume,
Embedded Function
Hardware
Firmware
1.
Set or Clear Port Feature
PORT_SUSPEND decoded
Write HPCON[2:0] and HPADD[2:0]
bits
2.
3.
Suspend or resume port per
command
Hardware
Firmware
1.
Set Port Feature PORT_SUSPEND
decoded
Disable Port 1’s end-points
2.
3.
Set GPIO to low power state if required
Hardware
Firmware
1.
Clear Port Feature PORT_SUSPEND
decoded
Clear Port 1 suspend status bit
2.
3.
Restore GPIO states if required
4.
Wait 23 ms, then set enable status bit
and suspend change bit
Enable Port 1 end-points
5.
6.
Send updated port status at next
IN to end-point1
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