TABLE 1: SP337EB RS232/RS485 TXEN RXEN Operation Charge Pump Driver and Receiver " />
參數(shù)資料
型號: SP337EUCY-L
廠商: Exar Corporation
文件頁數(shù): 7/18頁
文件大小: 0K
描述: IC TXRX RS232/422/485 28TSSOP
標準包裝: 50
類型: 收發(fā)器
驅動器/接收器數(shù): 2/2
規(guī)程: RS232,RS422,RS485
電源電壓: 3.3 V ~ 5 V
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 28-TSSOP
包裝: 管件
其它名稱: 1016-1363-5
TABLE 1: SP337EB
RS232/RS485
TXEN
RXEN
Operation
Charge Pump
Driver and Receiver
Low
Ignored
Low
RS-232
3T/5R
ON
Receivers Enabled
Low
Ignored
High
RS-232
3T/5R
ON
Receivers Disabled
(High-Z Output)
High
Low
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Disabled
(High-Z Output);
Receivers Enabled
High
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Enabled;
Receivers Disabled
(High-Z Output)
High
Low
High
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Disabled
(High Z output);
Receivers Disabled
(High Z output)
High
Low
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Enabled;
Receivers Enabled
SP337E
15
REV. 1.0.2
3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
SP337E Mode Configuration tables
TABLE 2: SP337EU
RS232/RS485
TXEN
RXEN
Operation
Charge Pump
Driver and Receiver
Low
Ignored
Low
RS-232
3T/5R
ON
Receivers Enabled
Low
Ignored
High
RS-232
3T/5R
ON
Receivers Disabled
(High-Z Output)
High
Low
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Disabled
(High-Z Output);
Receivers Enabled
High
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Enabled;
Receivers Disabled
(High-Z Output)
High
Low
High
RS-485/422
Full-Duplex
2T/2R
OFF
(Shutdown)
Drivers Disabled
(High Z output);
Receivers Disabled
(High Z output)
High
Low
RS-485/422
Full-Duplex
2T/2R
ON
Drivers Enabled;
Receivers Enabled
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