CS61581-IP 查看數據表（PDF） - Cirrus Logic

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CS61581-IP

T1/E1 Universal Line Interface

Cirrus Logic 

CS61581

RDATA - Received Data, Pin 7.

Unipolar data (single-line NRZ) data is output on RDATA when TNEG/UBS (pin 4), is held high. In Host

Mode, CLKE determines the edge of RCLK on which RDATA is valid.

BPV - Bipolar Violation, Pin 6.

When pin 4 is held high, received bipolar violations are flagged by BPV (RNEG) going high along with

the offending bit output from RDATA. If the B8ZS or HDB3 encoder/decoder is activated, BPV will not

flag bipolar violations resulting from valid zero substitutions.

TTIP, TRING - Transmit Tip and Ring, Pins 13, 16.

The transmit signal to the line is sent out on these pins. They represent the signal driven on TCLK,

TPOS, and TNEG (or TDATA).

RTIP, RRING - Receive Tip and Ring, Pins 19, 20.

The input pins for the receive signal from the line. They recovered clock and data driven on RCLK,

RPOS, and RNEG (or RDATA).

DS211PP8

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