REV. 1.0.3 SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER trigger level minus the hysteresis value (for Trigger Table D). Th" />
參數(shù)資料
型號: XR19L400IL40TR-F
廠商: Exar Corporation
文件頁數(shù): 7/46頁
文件大小: 0K
描述: IC UART/TXRX RS485 40QFN
標(biāo)準(zhǔn)包裝: 3,000
特點: *
通道數(shù): 1,UART
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:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 40-QFN 裸露焊盤(6x6)
包裝: 帶卷 (TR)
XR19L400
15
REV. 1.0.3
SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
trigger level minus the hysteresis value (for Trigger Table D). These hysteresis values are shown in Table 11.
Table 4 below explains this when Trigger Table-B (See Table 12) is selected.
TABLE 4: AUTO XON/XOFF (SOFTWARE) FLOW CONTROL
RX TRIGGER LEVEL
INT PIN ACTIVATION
XOFF CHARACTER(S) SENT
(CHARACTERS IN RX FIFO)
XON CHARACTER(S) SENT
(CHARACTERS IN RX FIFO)
8
8*
0
16
16*
8
24
24*
16
28
28*
24
* After the trigger level is reached, an xoff character is sent after a short span of time (= time required to send 2 characters);
for example, after 2.083ms has elapsed for 9600 baud and 8-bit word length, no parity and 1 stop bit setting.
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