REV. 1.3.0 2-CH FULL-SPEED USB UART 1.5.13 Remote Wakeup When the V1412 is suspended, the GPIO0/RI#/RWK# pin can be used to reques" />
參數(shù)資料
型號: XR21V1412IL32-F
廠商: Exar Corporation
文件頁數(shù): 5/32頁
文件大小: 0K
描述: IC UART FIFO USB DUAL 32QFN
產(chǎn)品培訓模塊: UART Product Overview
XR21V141x Full-Speed USB UART Family
特色產(chǎn)品: XR21V141x Full-Speed USB UART
標準包裝: 490
特點: *
通道數(shù): 2,DUART
FIFO's: 128 字節(jié),384 字節(jié)
規(guī)程: USB 2.0
電源電壓: 2.97 V ~ 3.63 V
帶自動流量控制功能:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 托盤
配用: 1016-1301-ND - EVAL BOARD FOR XR21V1412IL
其它名稱: 1016-1302
XR21V1412
13
REV. 1.3.0
2-CH FULL-SPEED USB UART
1.5.13
Remote Wakeup
When the V1412 is suspended, the GPIO0/RI#/RWK# pin can be used to request that the host exit the
Suspend state. A high to low transition on this pin will cause the device to signal a remote wakeup request to
the host via a custom driver. Note that the standard CDC-ACM driver does not support this feature. In order for
the remote wakeup to work, several things must be properly configured. First, the GPIO0/RI# pin must be
configured as an input. Additionally, the V1412 device must have the remote wakeup feature support indicated
in the USB attributes - See “Section 1.3, I2C Interface” on page 7. Lastly, the software driver must inform
the USB host that the peripheral device supports the remote wake-up feature.
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