REV. 1.0.1 3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER PIN DESCRIPTIONS Pin Assignments P
參數(shù)資料
型號(hào)： SP336EET-L/TR
廠商： Exar Corporation
文件頁(yè)數(shù)： 26/30頁(yè)
文件大小： 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(dòng)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
5
REV. 1.0.1
3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER
PIN DESCRIPTIONS
Pin Assignments
PIN NUMBER
PIN NAME
TYPE
DESCRIPTION
SINGLE ENDED
FULL-DUPLEX
HALF-DUPLEX
1
T4_In
I
T4 Driver TTL input.
T3 Driver Enable
Active High.
T3 Driver Enable
Active High, R3 Enable
Active Low.
2
Mode_1
I
Mode Configuration pin 1.
3
T4_Out
O
T4 Driver Output.
T3(B) Output.
T3(B) Output,
R3(B) Input.
4
T3_Out
O
T3 Driver Output.
T3(A) Output.
T3(A) Output,
R3(A) Input.
5
Vcc
Pwr
Power Supply Voltage.
6
T1_Out
O
T1 Driver Output.
T1(A) Output.
T1(A) Output,
R1(A) Input.
7
T2_Out
O
T2 Driver Output.
T1(B) Output.
T1(B) Output,
R1(B) Input.
8
GND
Pwr
Ground.
9
C1+
Pmp
Positive terminal of positive flying capacitor.
10
V+
Pmp
Vdd storage capacitor.
11
C2+
Pmp
Positive terminal of negative flying capacitor.
12
C1-
Pmp
Negative terminal of positive flying capacitor.
13
C2-
Pmp
Negative terminal of negative flying capacitor.
14
V-
Pmp
Vss storage capacitor.
15
R1_In
I
R1 Receiver Input.
R1(A) Receiver Input.
High Impedance.
16
R2_In
I
R2 Receiver Input.
R1(B) Receiver Input.
R2 Receiver Input.
17
R3_In
I
R3 Receiver Input.
R3(A) Receiver Input.
High Impedance.
18
R4_In
I
R4 Receiver Input.
R3(B) Receiver Input.
R4 Receiver Input.
19
R1_Out
O
R1 Receiver Output.
20
R2_Out
O
R2 Receiver Output.
High Impedance.
R2 Receiver Output.
21
R3_Out
O
R3 Receiver Output.
22
R4_Out
O
R4 Receiver Output.
High Impedance.
R4 Receiver Output.
23
Mode_2
I
Mode Configuration pin 2.
24
Mode_0
I
Mode Configuration pin 0.
25
SLEW
I
Slew Rate Control. Logic Low input will limit driver slew from either RS-232
or RS-485 to 250kbps.
26
T1_In
I
T1 Driver Input.
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