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componentes Descripción

Fabricante

SP503

Multiprotocol Transceiver

Exar Corporation 

MODE: EIA-530

DRIVER

RECEIVER

TDEC3 TDEC2 TDEC1 TDEC0 RDEC3 RDEC2 RDEC1 RDEC0

1

1

0

1

1

1

0

1

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

SCT(a) 76

SCT 79

SCTEN 7

SCT(b) 77

RECEIVERS DRIVERS

14 TxD

61 SD(a)

59 SD(b)

13 DTR

58 TR(a)

56 TR(b)

16 RTS

54 RS(a)

52 RS(b)

17 RL

47 RL(a)

24 LL

51 LL(a)

22 ST

42 ST(a)

44 ST(b)

23 STEN

15 TxC

63 TT(a)

65 TT(b)

6 TTEN

STEN ST TTEN TT SCTEN SCT

1 Disabled 1 Disabled 1 Enabled

0 Enabled 0 Enabled 0 Disabled

Figure 12. Mode Diagram — EIA-530

SP503_101_101508

SP503 Multiprotocol Transceiver

19

© Copyright 2008 Exar Corporation

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