CS61577-IL1 データシートの表示（PDF） - Cirrus Logic

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CS61577-IL1

T1/E1 Line Interface

Cirrus Logic 

Interfacing The CS61577 With the CS62180B

T1 Transceiver

To interface with the CS62180B, connect the de-

vices as shown in Figure A5. In this case, the line

interface and CS62180B are in host mode con-

trolled by a microprocessor serial interface. If the

line interface is used in Hardware Mode, then the

line interface RCLK output must be inverted be-

fore being input to the CS62180B. If the

CS61577 is used in Extended Hardware Mode,

the RCLK output does not have to be inverted be-

fore being input to the CS62180B.

TO HOST CONTROLLER

SCLK

SDO

SDI

CS

TCLK

TPOS

TNEG

1.544 MHz

CLOCK

SIGNAL

RNEG

RPOS

RCLK

CS62180B

ACLK

TCLK

TPOS

TNEG

RNEG

RPOS

RCLK

SCLK

SDO

SDI

CS

INT

CLKE

MODE

CS61577

V+

100k

22k V+

Figure A4. Interfacing the CS61577 with a CS62180B

(Host Mode)

CS61577

DS155PP2

29

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