SP505 View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

SP505

WAN Multi-Mode Serial Transceiver

Exar Corporation 

RD(a) 70

RxD 1

RT(a) 37

RxC 20

CS(a) 66

CTS 80

DM(a) 68

DSR 78

RR(a) 35

DCD 19

MODE: RS-232 (V.28)

DRIVER/RECEIVER

DEC3 DEC2 DEC1 DEC0

0

0 10

14 TxD

61 SD(a)

2 SDEN

13 DTR

58 TR(a)

3 TREN

16 RTS

54 RS(a)

4 RSEN

17 RL

47 RL(a)

18 RLEN

24 LL

51 LL(a)

IC(a) 39

RI 21

5 LLEN

22 ST

42 ST(a)

SCT(a) 76

SCT 79

SCTEN 7

RECEIVERS DRIVERS

23 STEN

15 TxC

63 TT(a)

6 TTEN

Figure 53. Mode Diagram — RS-232

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

25

SP505_100_081308

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