CS61305A View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS61305A

T1/E1 Line Interface

Cirrus Logic 

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DS157PP3

CS61305A

+

68 µF

+5V

0.1 µF

+

1.0 µF

Control

&

Monitor

Frame

Format

Encoder/

Decoder

XTL

RGND

28 TAOS

1 ACLKI

26 RLOOP

27 LLOOP

12 LOS

11 DPM

21

15

RV+ TV+

TGND

LEN0 23

LEN1 24

LEN2 25

5 MODE

7 RPOS

6 RNEG

8 RCLK

CS61305A

IN

HARDWARE

MODE

RTIP 19

RRING 20

3 TPOS

4 TNEG

2 TCLK

MTIP 17

MRING 18

TRING 16

9 XTALIN

TTIP 13

10 XTALOUT RGND TGND

22

14

Line

Length

Setting

1

240Ω

2

3

240Ω

6

5

2CT:1

PE-65351

RECEIVE

LINE

0.47 µF

2

1

6

5

1:1.26

PE-65389

TRANSMIT

LINE

Figure A3. 120 Ω, E1 Hardware Mode Configuration

+5V

+

68 µF

0.1 µF

+

1.0 µF

Control

&

Monitor

Frame

Format

Encoder/

Decoder

XTL

RGND

21

15

TGND

17 RCODE

18 PCS

6 BPV

28 TAOS

1 ACLKI

26 RLOOP

27 LLOOP

12 LOS

11 AIS

5 MODE

4 TCODE

RV+ TV+

LEN0 23

LEN1 24

LEN2 25

CS61305A

IN

EXTENDED

HARDWARE

MODE

RTIP 19

RRING 20

7 RDATA

8 RCLK

3 TDATA

2 TCLK

TRING 16

9 XTALIN

TTIP 13

10 XTALOUT RGND TGND

22

14

Line

Length

Setting

1

150Ω

3

150Ω

5

2

RECEIVE

6 LINE

2CT:1

PE-65351

0.47 µF

2

3

6

5

1:1

PE-65389

TRANSMIT

LINE

Figure A4. 75 Ω, E1 Extended Hardware Mode Configuration

27

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