SP509CF datasheet(25/29 Pages) SIPEX

25 / 29 page

Date: 8/19/04

SP509 Enhanced WAN Multi–Protocol Serial Transceiver

Figure 49. Configuring SP509 to Operate as either DCE or DTE

1µF

VCC

VDD

C1-

C2-

VSS

C1+

C2+

1µF

SP509

TxD

TxCE

RTS

DTR

DCD_DCE

RxC

TxC

CTS

DSR

DCD_DTE

10µF

3 SDEN

10 LLEN

5 STEN

* - Driver applies for DCE only on pins 15 and 12.

Receiver applies for DTE only on pins 15 and 12.

Vcc

#103

#108

#105

#141

#105

#115

#106)

#107

#109

Bi-directional Bus.

Input Line

Output Line

#114

#113

#109

RxD

4 TTEN

6 RSEN

7 TREN

8 RRCEN

9 RLEN

11 RDEN

18 TMEN

13 TxCEN

12 RTEN

14 CSEN

15 DMEN

16 RRTEN

17 ICEN

V10_GND 58

V35TGND1 99

V35TGND2 94

35TGND3 89

V35RGND 46

TERM_OFF 22

LATCH 23

D0 19

D1 20

D2 21

Logic Section

Vcc

#125

#142

#140

DCE/DTE

Driver applies for DCE only on pins 8 and 10.

Receiver applies for DTE only on pins 8 and 10.

LOOPBACK 27

Vcc

TxD_RXD_A

97 SD(a)

100 S(b)

92 TT(a)

95 TT(b)

87 ST(a)

90 ST(b)

83 RS(a)

85 RS(b)

75 TR(a)

78 TR(b)

81 RRC(a)

79 RRC(b)

65 RL(a)

63 LL(a)

#113

CIRCUIT #

TxD_RXD_B

TxCE_TXC_A

TXCE_TXC_B

4RTS_CTS_A

RTS_CTS_B

DTR_DSR_A

DTR_DSR_B

RL_RI

LL_TM

62 TM

61 IC

59 RRT(b)

RI_RL

DCD-DCD-B

60 RRT(a)

DCD_DCD_A

DSR_DTR_B

CTS_RTS_B

TXC_RXC_B

56 DM(b)

57 DM(a)

54 CS(b)

55 CS(a)

51 TxC(b)

53 TxC(a)

49 RT(b)

50 RT(a)

47 RD(b)

48 RD(a)

DSR_DTR_A

CTS_RTS_A

TXC_RXC_A

RXC_TXCE_B

RXC_TXCE_A

RXD_TXD_B

RXD_TXD_A

Serial Port Connector Pins

SP509CF 数据表(PDF) 25 Page - Sipex Corporation

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