9

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50) 668-707 • www.exar.com

SP320_00_092208

14 DRIN1

61 DRA1

59 DRB1

13 T1IN

58 T1OUT

16 T2IN

54 T2OUT

17 T3IN

47 T3OUT

24 T4IN

51 T4OUT

22 DRIN2

42 DRA2

44 DRB2

15 DRIN3

63 DRA3

65 DRB3

23 STEN

6 TTEN

RCA1 70

RCOUT 1

RCB1 71

RCA2 37

RCOUT2 20

RCB2 38

R1IN 66

R1OUT 80

R2IN 68

R2OUT 78

R3IN 35

R3OUT 19

R4IN 39

R4OUT 21

RCA3 76

RCOUT3 79

RTEN 7

RCB3 77

29, 34, 43, 60, 64, 72

VDD

32

26

30

28

31

C1+

C1-

C2+

C2-

27

VSS

VCC

0.1µF

+5V

25, 33, 41, 62, 73

5kΩ

5kΩ

5kΩ

100Ω

100Ω

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

100Ω

3 TS000

9 ENV35

+5V

TXD

103(A)

103(B)

RTS

105

DTR

108

RLPBK

140

LLPBK

141

SPARE

SPARE

SPARE

TXCT

113(A)

113(B)

104(A)

104(B)

RXD

114(A)

TXCC

114(B)

106

CTS

107

DSR

109

DCD

125

RI

115(A)

RXC

115(B)

5kΩ

+

+

+

+

0.1µF

0.1µF

0.1µF

SP320

A

Chasis Ground

C

Request to Send

E

DCE Ready (DSR)

H

DTE Ready (DTR)

K

Unassigned---

M

Unassigned---

P

Transmitted Data (A)

S

Transmitted Data (B)

U

Terminal Timing (A) } 3(A)

W

Terminal Timing (B) } 113(B)

Y

Transmit Timing (A) } 4(A)

AA

Transmit Timing (B) } 114(B)

CC

Unassigned---

EE

Unassigned---

HH

Unassigned---

KK

Unassigned---

MM

Unassigned---

Signal Ground

B

Clear to Send

D

Data Carrier Detect

F

Ring Indicator

J

Local Loopback

L

Remote Loopback

N

Receive Data (A)

R

Receive Data (B)

T

Receive Timing (A)

V

Receive Timing (B)

X

Unassigned---

Z

Unassigned---

BB

Unassigned---

DD

Unassigned---

FF

Unassigned---

JJ

Unassigned---

LL

Test Mode

NN

iso-2593 connector pin out

typical dte V.35 interface