REV. 1.0.0 I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS 1.2 Serial Interface The M1280 is typically" />
參數資料
型號: XR20M1280L40-0A-EB
廠商: Exar Corporation
文件頁數: 3/63頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR20M1280L40
產品培訓模塊: XR21V141x Full-Speed USB UART Family
UARTs with Integrated Level Shifters
標準包裝: 1
主要目的: 接口,UART
已用 IC / 零件: XR20M1280L40
已供物品:
其它名稱: 1016-1628
XR20M1280
11
REV. 1.0.0
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
1.2
Serial Interface
The M1280 is typically used with RS-232, RS-485 and IR transceivers. The following figure shows typical
connections from the UART to the different transceivers. For more information on RS-232 and RS-485/422
transceivers, go to www.exar.com or send an e-mail to uarttechsupport@exar.com.
FIGURE 10. XR20M1280 TYPICAL SERIAL INTERFACE CONNECTIONS
VCC_UART
RS-485 Full-Duplex Serial Interface
GND
CD#
DSR#
CTS#
DTR#
RTS#
RX
TX
DI
RO
UART
RS-485
Transceiver
Full-duplex
TX+
TX-
RX+
RX-
RI #
NC
VCC_UART
DE
RE#
VCC_UART
V C C_ UA RT
VC C _ U AR T
R S -232 F u ll-M o d em S erial In ter face
GN D
RI#
CD #
DS R #
CT S #
RT S #
DT R #
RX
TX
T1 IN
R1 O U T
T2 IN
T3 IN
R2 O U T
R3 O UT
R4 O UT
R5 O U T
GN D
UA R T
R S -232
T rans c eiv er
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