參數(shù)資料
型號(hào)： XR16V2750IM-0B-EB
廠商： Exar Corporation
文件頁(yè)數(shù)： 30/52頁(yè)
文件大?。?/td> 0K
描述： EVAL BOARD FOR V2750 48TQFP
標(biāo)準(zhǔn)包裝： 1
系列： *
XR16V2750
36
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
REV. 1.0.3
This register is accessible when LCR = 0xBF. Note that this register is not identical to the FIFO Level Count
Register which is located in the general register set when FCTR bit-6 = 1 (Scratchpad Register Swap). It is
suggested to read the FIFO Level Count Register at the Scratchpad Register location when FCTR bit-6 = 1.
FC[7:0]: RX/TX FIFO Level Count
Receive/Transmit FIFO Level Count. Number of characters in Receiver FIFO (FCTR[7] = 0) or Transmitter
FIFO (FCTR[7] = 1) can be read via this register. Reading this register is not recommended when transmitting
or receiving data.
4.18
Feature Control Register (FCTR) - Read/Write
This register controls the XR16V2750 functions that are not available in ST16C2450 or ST16C2550.
FCTR[1:0]: RTS Hysteresis
User selectable RTS# hysteresis levels for hardware flow control application. After reset, these bits are set to
“0” to select the next trigger level for hardware flow control. See Table 13 for more details.
FCTR[2]: IrDa RX Inversion
Logic 0 = Select RX input as encoded IrDa data (Idle state will be LOW).
Logic 1 = Select RX input as inverted encoded IrDa data (Idle state will be HIGH).
FCTR[3]: Auto RS-485 Direction Control
Logic 0 = Standard ST16C550 mode. Transmitter generates an interrupt when transmit holding register
becomes empty and transmit shift register is shifting data out.
Logic 1 = Enable Auto RS485 Direction Control function. The direction control signal, RTS# pin, changes its
output logic state from LOW to HIGH one bit time after the last stop bit of the last character is shifted out.
Also, the Transmit interrupt generation is delayed until the transmitter shift register becomes empty. The
RTS# output pin will automatically return to a LOW when a data byte is loaded into the TX FIFO. However,
RTS# behavior can be inverted by setting EMSR[3] = 1.
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參數(shù)描述
XR16V2750IM-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16V2750IMTR-F 功能描述:UART 接口集成電路 W/64 BYTE FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16V2751 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO AND POWERSAVE
XR16V2751_07 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO AND POWERSAVE
XR16V2751_0709 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO AND POWERSAVE
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