8b/10b code groups, 8b/10b code groups” on – Altera SerialLite II Protocol User Manual

Page 75

Advertising
background image

Altera Corporation

75

SerialLite II Protocol Reference Manual

SerialLite II Specification

8b/10b Code
Groups

Table 2–27

shows the 8b/10b special code groups as defined by Clause 36

of the IEEE 802.3-2002 specification. The SerialLite II protocol uses these
special codes for control purposes.

Table 2–28

shows the 8b/10b valid data code groups.

Table 2–27. Valid Special Code Groups

Code Group

Name

Octet Value

Octet Bits HGF

EDCBA

Current RD -

Current RD +

Notes

abcdei fghj

abcdei fghj

K28.0

1C

000 11100

001111 0100

110000 1011

IDL

K28.1

3C

001 11100

001111 1001

110000 0110

SPP

K28.2

5C

010 11100

001111 0101

110000 1010

SDP

K28.3

7C

011 11100

001111 0011

110000 1100

ALN

K28.4

9C

100 11100

001111 0010

110000 1101

CPP

K28.5

BC

101 11100

001111 1010

110000 0101

COM

K28.6

DC

110 11100

001111 0110

110000 1001

CDP

K28.7

FC

111 11100

001111 1000

110000 0111

Reserved

(1)

K23.7

F7

111 10111

111010 1000

000101 0111

SLP

K27.7

FB

111 11011

110110 1000

001001 0111

SUP

K29.7

FD

111 11101

101110 1000

010001 0111

EGP

K30.7

FE

111 11110

011110 1000

100001 0111

EBP

Note to

Table 2–27

:

(1)

K28.7 is not to be used because it could cause a comma to appear across the boundary when it is combined with
the following code groups: /K28.x/, /D3.x/, /D11.x/, /D12.x/, /D19.x/, /D20.x/, or /D28.x/, where x is a value
in the range 0 to 7, inclusive.

Table 2–28. Valid Data Code Groups (Part 1 of 9)

Code Group

Name

Octet Value

Octet Bits HGF

EDCBA

Current RD -

Current RD +

Notes

abcdei fghj

abcdei fghj

D0.0

00

000 00000

100111 0100

011000 1011

D1.0

01

000 00001

011101 0100

100010 1011

D2.0

02

000 00010

101101 0100

010010 1011

D3.0

03

000 00011

110001 1011

110001 0100

D4.0

04

000 00100

110101 0100

001010 1011

D5.0

05

000 00101

101001 1011

101001 0100

D6.0

06

000 00110

011001 1011

011001 0100

Advertising