FIGURE 18. RECEIVE R
參數(shù)資料
型號(hào): XR19L400IL40TR-F
廠商: Exar Corporation
文件頁(yè)數(shù): 38/46頁(yè)
文件大?。?/td> 0K
描述: IC UART/TXRX RS485 40QFN
標(biāo)準(zhǔn)包裝: 3,000
特點(diǎn): *
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(dòng)流量控制功能:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類(lèi)型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 40-QFN 裸露焊盤(pán)(6x6)
包裝: 帶卷 (TR)
FIGURE 18. RECEIVE READY INTERRUPT TIMING [NON-FIFO MODE]
RX
INT
D0:D7
Start
Bit
D0:D7
Stop
Bit
D0:D7
1 Byte
in RHR
1 Byte
in RHR
1 Byte
in RHR
RXNFM
T
SSR
T
SSR
T
SSR
IOR#
T
RR
T
RR
T
RR
(Reading data
out of RHR)
FIGURE 19. TRANSMIT READY INTERRUPT TIMING [NON-FIFO MODE]
TX
INT*
D0:D7
Start
Bit
D0:D7
Stop
Bit
D0:D7
TXNonFIFO
T
WRI
T
WRI
T
WRI
T
SRT
T
SRT
T
SRT
*INT is cleared when the ISR is read or when data is loaded into the THR.
ISR is read
(Unloading)
IER[1]
enabled
IOW#
(Loading data
into THR)
XR19L400
43
REV. 1.0.3
SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
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