SP506 View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

SP506

5V Single Chip WAN Multi-Mode Serial Transceiver

Exar Corporation 

SP506 Driver Mode Selection

Pin Label

Mode:

RS-232

V.35

DEC3 – DEC 0

SD(a)

0000

tri-state

0010

V.28

1110

V.35–

SD(b)

tri-state

tri-state

V.35+

TR(a)

tri-state

V.28

V.28

TR(b)

tri-state

tri-state

tri-state

RS(a)

tri-state

V.28

V.28

RS(b)

tri-state

tri-state

tri-state

RL(a)

tri-state

V.28

V.28

RL(b)

tri-state

tri-state

tri-state

LL(a)

tri-state

V.28

V.28

LL(b)

tri-state

tri-state

tri-state

ST(a)

tri-state

V.28

V.35–

ST(b)

tri-state

tri-state

V.35+

TT(a)

tri-state

V.28

V.35–

TT(b)

tri-state

tri-state

V.35+

Table 1. SP506 Driver Decoder Table

RS-422

w/Term.

0100

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

RS-422

0101

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

RS-449

1100

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.10

tri-state

V.10

tri-state

V.11–

V.11+

V.11–

V.11+

EIA-530

1101

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.10

tri-state

V.11–

V.11+

V.11–

V.11+

SP506 Receiver Mode Selection

EIA-530A

1111

V.11–

V.11+

V.10

tri-state

V.11–

V.11+

V.11–

V.11+

V.10

tri-state

V.11–

V.11+

V.11–

V.11+

V.36

0110

V.11–

V.11+

V.10

tri-state

V.10

tri-state

V.10

tri-state

V.10

tri-state

V.11–

V.11+

V.11–

V.11+

Pin Label

DEC3 – DEC 0

RD(a)

RD(b)

RT(a)

RT(b)

CS(a)

CS(b)

DM(a)

DM(b)

RR(a)

RR(b)

IC(a)

IC(b)

SCT(a)

SCT(b)

Mode:

RS-232

V.35

0000

0010

1110

>10kΩ to GND

V.28

>10kΩ to GND >10kΩ to GND

>10kΩ to GND

V.28

>10kΩ to GND >10kΩ to GND

V.35–

V.35+

V.35–

V.35+

>10kΩ to GND

V.28

V.28

>10kΩ to GND >10kΩ to GND >10kΩ to GND

>10kΩ to GND

V.28

V.28

>10kΩ to GND >10kΩ to GND >10kΩ to GND

>10kΩ to GND

V.28

>10kΩ to GND >10kΩ to GND

>10kΩ to GND

V.28

>10kΩ to GND >10kΩ to GND

>10kΩ to GND

V.28

>10kΩ to GND >10kΩ to GND

V.28

>10kΩ to GND

V.28

>10kΩ to GND

V.35–

V.35+

RS-422

w/Term.

0100

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

Table 2. SP506 Receiver Decoder Table

RS-422

0101

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

RS-449

EIA-530

EIA-530A

V.36

1100

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.10

>10kΩ to GND

V.11–

V.11+

1101

1111

0110

V.11–

V.11–

V.11–

V.11+

V.11+

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11+

V.11–

V.11–

V.10

V.11+

V.11–

V.11+

V.10

>10kΩ to GND

V.10

V.11+

>10kΩ to GND >10kΩ to GND

V.11–

V.11–

V.10

V.11+

V.11+

>10kΩ to GND

V.10

V.10

V.10

>10kΩ to GND >10kΩ to GND >10kΩ to GND

V.11–

V.11–

V.11–

V.11+

V.11+

V.11+

SP506_100_081208

SP506 Multi–Mode Serial Transceiver

18

© Copyright 2008 Exar Corporation

Share Link: