SP502 datasheet(16/32 Pages) SIPEX

Numer części	SP502

Szczegółowy opis	Multi-Mode Serial Transceiver

PDF	32 Pages

Scroll/Zoom	100%

Producent	SIPEX [Sipex Corporation]

Strona internetowa	http://www.sipex.com

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16 / 32 page

Rev. 7/21/03

SP502 Multi-Mode Serial Transceiver

Figure 9. Mode Diagram — RS-422

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

IC(b) 40

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)

45 RL(b)

24 LL

51 LL(a)

49 LL(b)

ST/TT

RxT*

Enabled

Disabled

Active

Disabled

Enabled

Inactive

* TT driver must be disabled to allow TT(a) and TT(b)

to serve as receiver inputs.

* When the RxT receiver is active, TT(a) and TT(b) act

as receiver inputs. When the RxT receiver is inactive,

it cannot serve as a receiver since its inputs are internally

connected to the TT(a) and TT(b) driver outputs.

RxT 79

15 TxC

42 ST(a)

44 ST(b)

ST/TT

63 TT(a)

65 TT(b)

MODE: RS-422

DRIVER

RECEIVER

TDEC3 TDEC2 TDEC1 TDEC0 RDEC3 RDEC2 RDEC1 RDEC0

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