SP505 View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

SP505

WAN Multi-Mode Serial Transceiver

Exar Corporation 

RD(a) 70

RxD 1

RD(b) 71

RT(a) 37

RxC 20

RT(b) 38

CS(a) 66

CTS 80

CS(b) 67

DM(a) 68

DSR 78

DM(b) 69

RR(a) 35

DCD 19

RR(b) 36

IC(a) 39

RI 21

MODE: RS-449

DRIVER/RECEIVER

DEC3 DEC2 DEC1 DEC0

110

0

SCT(a) 76

SCT 79

SCTEN 7

SCT(b) 77

RECEIVERS

DRIVERS

14 TxD

61 SD(a)

59 SD(b)

2 SDEN

13 DTR

58 TR(a)

56 TR(b)

3 TREN

16 RTS

54 RS(a)

52 RS(b)

4 RSEN

17 RL

47 RL(a)

18 RLEN

24 LL

51 LL(a)

5 LLEN

22 ST

42 ST(a)

44 ST(b)

23 STEN

15 TxC

63 TT(a)

65 TT(b)

6 TTEN

Figure 56. Mode Diagram — RS-449

Exar Coporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • Fax (510) 668-7017 • www.exar.com

28

SP505_100_081308

Share Link: