參數(shù)資料
型號(hào)： XR16V654IJ-0A-EVB
廠商： Exar Corporation
文件頁數(shù)： 32/58頁
文件大小： 0K
描述： EVAL BOARD FOR XR16V654 68PLCC
標(biāo)準(zhǔn)包裝： 1
系列： *
XR16V654/654D
38
2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO
REV. 1.0.1
4.11
Baud Rate Generator Registers (DLL and DLM) - Read/Write
These registers make-up the value of the baud rate divisor. The concatenation of the contents of DLM and DLL
gives the 16-bit divisor value. Then the value is added to DLD[3:0]/16 to achieve the fractional baud rate
divisor. DLD must be enabled via EFR bit-4 before it can be accessed. See Table 15 below and See ”Section
DLD[5:4]: Sampling Rate Select
These bits select the data sampling rate. By default, the data sampling rate is 16X. The maximum data rate will
double if the 8X mode is selected and will quadruple if the 4X mode is selected. See Table 15 below.
DLD[7:6]: Reserved
4.12
Enhanced Feature Register (EFR) - Read/Write
Enhanced features are enabled or disabled using this register. Bit 0-3 provide single or dual consecutive
character software flow control selection (see Table 16). When the Xon1 and Xon2 and Xoff1 and Xoff2 modes
are selected, the double 8-bit words are concatenated into two sequential characters. Caution: note that
whenever changing the TX or RX flow control bits, always reset all bits back to logic 0 (disable) before
programming a new setting.
EFR[3:0]: Software Flow Control Select
Single character and dual sequential characters software flow control is supported. Combinations of software
flow control can be selected by programming these bits.
TABLE 15: SAMPLING RATE SELECT
DLD[5]
DLD[4]
SAMPLING RATE
0
16X
0
1
8X
1
X
4X
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16V654IJ-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
XR16V654IJTR-F 制造商:Exar Corporation 功能描述:UART 4-CH 64Byte FIFO 2.5V/3.3V 68-Pin PLCC T/R 制造商:Exar Corporation 功能描述:XR16V654IJTR-F
XR16V654IL 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
XR16V654IL-0A-EVB 功能描述:UART 接口集成電路 Supports V654 48 pin QFN, ISA Interface 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
XR16V654IL-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
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