REV. 1.0.2 5.20 XCHAR REGISTER, READ ONLY This register gives " />
參數(shù)資料
型號: XR17V258IV
廠商: Exar Corporation
文件頁數(shù): 54/69頁
文件大?。?/td> 0K
描述: IC UART PCI BUS OCTAL 144LQFP
產(chǎn)品變化通告: Leaded UART, V&I Obsolescence 11/Apr/2011
標(biāo)準(zhǔn)包裝: 60
特點: *
通道數(shù): 8
FIFO's: 64 字節(jié)
規(guī)程: RS485
電源電壓: 3.3V,5V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
XR17V258
58
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
REV. 1.0.2
5.20
XCHAR REGISTER, READ ONLY
This register gives the status of the last sent control character (Xon or Xoff) and the last received control
character (Xon or Xoff). This register will be reset to 0x00 if, at anytime, the Software Flow Control is disabled.
XCHAR [7:4]: Reserved
XCHAR [3]: Transmit Xon Indicator
If the last transmitted control character was a Xon character or characters (Xon1, Xon2), this bit will be set to a
logic 1. This bit will clear after the read.
XCHAR [2]: Transmit Xoff Indicator
If the last transmitted control character was a Xoff character or characters (Xoff1, Xoff2), this bit will be set to a
logic 1. This bit will clear after the read.
XCHAR [1]: Xon Detect Indicator
If the last received control character was a Xon character or characters (Xon1, Xon2), this bit will be set to a
logic 1. This bit will clear after the read.
XCHAR [0]: Xoff Detect Indicator
If the last received control character was a Xoff character or characters (Xoff1, Xoff2), this bit will be set to a
logic 1. This bit will clear after the read.
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