參數(shù)資料
型號: AT43USB325E-AC
廠商: ATMEL CORP
元件分類: 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, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝: 1.40 MM HEIGHT, PLASTIC, MS-026-ACB, LQFP-64
文件頁數(shù): 95/109頁
文件大小: 643K
代理商: AT43USB325E-AC
95
3355C–USB–4/05
AT43USB325
8.5.4.6
Selective Suspend, Embedded Function
8.5.4.7
Selective Resume, Embedded Function
Hardware
Firmware
1.
Set Port Feature PORT_SUSPEND
decoded
Disable Port 1’s endpoints
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 endpoints
5.
6.
Send updated port status at next
IN to endpoint1
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