REV. 1.0.1 3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER 1.0 FUNCTION TABLES The SP336E drivers and receivers may be" />
參數(shù)資料
型號: SP336EET-L/TR
廠商: Exar Corporation
文件頁數(shù): 7/30頁
文件大?。?/td> 0K
描述: IC TXRX RS232/485 PROG 28WSOIC
標(biāo)準(zhǔn)包裝: 1,500
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 4/4
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-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC W
包裝: 帶卷 (TR)
SP336E
15
REV. 1.0.1
3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
1.0 FUNCTION TABLES
The SP336E drivers and receivers may be configured to operate as either standard RS-485/RS-422 or RS-232
devices. RS-485/RS422 drivers have differential outputs and receivers have differential inputs. RS-232 drivers
and receivers are single-ended with inverting outputs.
TABLE 1: R-485/RS-422 FULL DUPLEX: MODE 011 (T3, R3), MODE 101 (T1, T3, R1, R3)
DRIVERS
RECEIVERS
Inputs
Outputs
Inputs
Output
Tx_EN
Tx_In
Tx(A)
Tx(B)
Rx(A) - Rx(B)
RxOut
1
0
> -50mV
1
0
1
≤ -200mV
0
x
High-Z
Open / Shorted
1
TABLE 2: R-485/RS-422 HALF DUPLEX: MODE 010 (T3, R3), MODE 100 (T1, T3, R1, R3)
TRANSMITTING
RECEIVING
Inputs
Outputs
Inputs
Outputs
DE/RE
TxIn
Tx(A)
Tx(B)
DE/RE
Rx(A) - Rx(B)
RxOut
1
0
1
x
High-Z
1
0
1
x
High-Z
0
x
High-Z
0
> -50mV
1
0
≤ -200mV
0
Open / Shorted
1
TABLE 3: RS-232 MODE 001 (ALL TX AND RX), MODES 011, 010 (T1, T2, R1, R2), MODE 110 (R1- R4)
DRIVERS
RECEIVERS
Input
Output
Input
Output
0
≥ 5V
≥ 3V
0
1
≤ -5V
≤ -3V
1
Open
≤ -5V
Open
1
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