CS8952T 데이터 시트보기 (PDF) - Cirrus Logic

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CS8952T

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Cirrus Logic 

CS8952T

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

DATA and CONTROL Codes (RX_ER = 0 or TX_ER = 0)

Name

5-bit Symbol

DATA (Note 1)

0

11110

1

01001

2

10100

3

10101

4

01010

5

01011

6

01110

7

01111

8

10010

9

10011

A

10110

B

10111

C

11010

D

11011

E

11100

F

11101

CONTROL (Note 2)

I

11111

J

11000

K

10001

T

01101

R

00111

4-bit Nibble

Comments

0000

0001

0010

0011

0100

0101

0110

0111

1000

1001

1010

1011

1100

1101

1110

1111

0101

0101

0101

0000

0000

IDLE (Note 3)

First Start of Stream Symbol

Second Start of Stream Symbol

First End of Stream Symbol

Second End of Stream Symbol

1. DATA code groups are indicated by RX_DV = 1

2. CONTROL code groups are inserted automatically during transmission in response to

TX_EN. They are not generated through any combination of TXD[3:0] or TX_ER.

3. IDLE is indicated by RX_DV = 0.

Table 2. 4B5B Symbol Encoding/Decoding

CIRRUS LOGIC ADVANCED PRODUCT DATABOOK

18

DS206TPP2

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