參數(shù)資料
型號: XR16V698IQ100-F
廠商: Exar Corporation
文件頁數(shù): 21/58頁
文件大?。?/td> 0K
描述: IC UART FIFO 32B OCTAL 100QFP
標(biāo)準(zhǔn)包裝: 66
特點: *
通道數(shù): 8
FIFO's: 32 字節(jié)
規(guī)程: RS485
電源電壓: 2.25 V ~ 3.6 V
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: 100-BQFP
供應(yīng)商設(shè)備封裝: 100-QFP(14x20)
包裝: 托盤
XR16V698
28
2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO
REV. 1.0.3
3.1.3
8XMODE [7:0] (default 0x00)
Each bit selects sampling rate for that UART channel, for example, bit-0 is channel 0. This register associates
with 4XMODE register to decide the sampling rate (16X or 8X or 4X). When 4XMODE [7:0] = 0x00, Logic 0
(default) selects normal 16X sampling with logic one selects 8X sampling rate. Transmit and receive data rates
3.1.4
4XMODE [7:0] (default 0x00)
Each bit selects sampling rate for that UART channel, for example, bit-0 is channel 0. This register associates
with 8XMODE register to decide the sampling rate (16X or 8X or 4X). When 8XMODE [7:0] = 0x00, Logic 0
(default) selects normal 16X sampling with logic 1 selects 4X sampling rate. Transmit and receive data rates
FIGURE 15. INTERRUPT OUTPUT IN ONE-SHOT AND RE-TRIGGERABLE MODES
One-shot Mode
Timer Started
Timer Timed
Out
TIMERCNTL
read
Re-triggerable
Mode
Timer Timed
Out
TIMERCNTL
read
Timer Timed
Out
Ch-6
Ch-7
Ch-5 Ch-4 Ch-3 Ch-2 Ch-1 Ch-0
8XMODE Register
Individual UART Channel 8X Clock Mode Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
Ch-6
Ch-7
Ch-5 Ch-4 Ch-3 Ch-2 Ch-1 Ch-0
4XMODE Register
Individual UART Channel 8X Clock Mode Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
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