參數(shù)資料
型號(hào)： XR16M564IV80-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 30/55頁(yè)
文件大?。?/td> 0K
描述： IC UART FIFO 32B QUAD 80LQFP
標(biāo)準(zhǔn)包裝： 119
特點(diǎn)： *
通道數(shù)： 4，QUART
FIFO's： 32 字節(jié)
規(guī)程： RS232
電源電壓： 1.62 V ~ 3.63 V
帶自動(dòng)流量控制功能： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類(lèi)型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（12x12）
包裝： 托盤(pán)
XR16M564/564D
36
1.62V TO 3.63V QUAD UART WITH 32-BYTE FIFO
REV. 1.0.0
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
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16M570 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
XR16M570IB25 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
XR16M570IB25-0C-EB 功能描述:界面開(kāi)發(fā)工具 Eval Board for XR16M570IB25 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
XR16M570IB25-F 功能描述:UART 接口集成電路 1.8 HIGH PERFORMANCE UART W/16 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
XR16M570IL24 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 16-BYTE FIFO
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