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Errata 01 Errata 01 for MIPI D-PHY Specification v2.1
13-Nov-2017
Copyright © 2017 MIPI Alliance, Inc. 1
All rights reserved.
Confidential
Errata 01 for
MIPI D-PHY
SM
Specification
Specification Version 2.1
Specification Dated 15 December 2016
Specification MIPI Board Adopted 28 December 2015
Errata 01 Dated 13 November 2017
Errata MIPI Board Approved 30 November 2017
* IMPORTANT NOTE TO IMPLEMENTERS *
• The changes listed in this Errata document will be made in the next edition of this MIPI Specification.
• Implementations should observe all changes listed here.
• The location of each change is also
marked in the attached copy of the MIPI Specification. To reduce the risk
of incorrect implementations, we suggest you consider discarding any previous copies of this MIPI
Specification not so marked.
• This MIPI Specification as modified by the changes listed in this Errata document is also a MIPI Specification
,
as the MIPI Bylaws defines the term.
• MIPI member companies’ rights and obligations apply to the modified
MIPI Specification as defined in
the MIPI Membership Agreement and MIPI Bylaws.
Errata for MIPI D-PHY Specification v2.1 Errata 01
13-Nov-2017
2 Copyright © 2017 MIPI Alliance, Inc.
All rights reserved.
Confidential
This Errata document includes 11 changes to the Board Adopted MIPI Specification for D-PHY v2.1.
1
These changes are listed below as separate Items, and are highlighted in the attached copy of the adopted 2
Specification: 3
• Items 1 and 3 contain the key Technical corrections: the seed of the PRBS9 generator is changed, 4
and Figure 28 is replaced with a new Figure 89 (which appears in a new Annex D, see Item 10). 5
• Item 7 addresses the fact that changing the seed results in a different PRBS9 bit sequence. 6
• Most of the other Items are Editorial, and necessitated by the key Technical Items. 7
Item
Spec Page
Number
PDF Page
Number
Correction
1 48 68 Editorial or Technical: Technical
Location: Line 655
Correction: Change “000000001” to “011111111”
Reason: Use same seed value as in Section 12.3, for
consistency
Technical Impact: Changes the bit sequence of the PRBS9
test pattern
2 48 68 Editorial or Technical: Editorial
Location: Line 658
Correction:
Change
“…Data[7:0]. Data[7:0] is the output of the Q8
through Q1 registers, as shown in Figure 28.”
To
“…Data[7:0]. Data[7:0] is shown in Annex D.”
Reason: Material has moved to new Annex (see Item 10)
Technical Impact: None
3 48 68 Editorial or Technical: Technical
Location: Line 662
Correction:
Delete Figure 28, and replace all references to “Figure 28”
with references to ”Figure 89 in Annex D”
Reason: Material has moved to a new Annex (see Item 10)
Technical Impact: Clarification of tapping points, and location
of LSB and MSB in figure
4 48 68 Editorial or Technical: Editorial
Location: Line 665
Correction:
Change
“1000 0000 0001 0000”
To
“1111 1111 1000 0011”
Reason: Updates the example to reflect technical changes
made in Items 1, 6, 7, and 10
Technical Impact: None
Errata 01 Errata 01 for MIPI D-PHY Specification v2.1
13-Nov-2017
Copyright © 2017 MIPI Alliance, Inc. 3
All rights reserved.
Confidential
5 104 124 Editorial or Technical: Editorial
Location: Line 1372
Correction: Insert closing parenthesis ‘)‘ at end of line
Reason: Copy editing error in adopted Specification
Technical Impact:
None
6 104 124 Editorial or Technical: Technical
Location: Lines 1377 and 1378
Correction:
Change
“…[15:0] with a 16 bit seed register initialized
0x00FF:”
To
“…with a register initialized to 011111111 (Q9:Q1):”
Reason: Remove reference to register size
Technical Impact: Changes the bit sequence of the PRBS9
test pattern
Errata for MIPI D-PHY Specification v2.1 Errata 01
13-Nov-2017
4 Copyright © 2017 MIPI Alliance, Inc.
All rights reserved.
Confidential
7 104 124 Editorial or Technical: Technical
Location: Lines 1379 through 1386
Correction: Replace line 1379 plus the entire PRBS9 test
pattern with the ‘Replacement PRBS9 Test Pattern”
shown below
Reason: Result of change to the PRBS9 seed value and
tapping points, as well as location of LSB and MSB in
PRBS generator
Technical Impact: Changes the bit sequence of the PRBS9
test pattern
Replacement PRBS9 Test Pattern:
0b11111111_10000011_11011111_00010111_
00110010_00001001_01001110_11010001_
11100111_11001101_10001010_10010001_
11000110_11010101_11000100_11000100_
01000000_00100001_00011000_01001110_
01010101_10000110_11110100_11011100_
10001010_00010101_10100111_11101100_
10010010_11011111_10010011_01010011_
00110000_00011000_11001010_00110100_
10111111_10100010_11000111_01011001_
01100111_10001111_10111010_00001101_
01101101_11011000_00101101_01111101_
01010100_00001010_01010111_10010111_
01110000_00111001_11010010_01111010_
11101010_00100100_00110011_10000101_
11101101_10011010_00011101_1110000/1_
11111111_00000111_10111110_00101110_
01100100_00010010_10011101_10100011_
11001111_10011011_00010101_00100011_
10001101_10101011_10001001_10001000_
10000000_01000010_00110000_10011100_
10101011_00001101_11101001_10111001_
00010100_00101011_01001111_11011001_
00100101_10111111_00100110_10100110_
01100000_00110001_10010100_01101001_
01111111_01000101_10001110_10110010_
11001111_00011111_01110100_00011010_
11011011_10110000_01011010_11111010_
10101000_00010100_10101111_00101110_
11100000_01110011_10100100_11110101_
11010100_01001000_01100111_00001011_
11011011_00110100_00111011_110000/11_
11111110
Errata 01 Errata 01 for MIPI D-PHY Specification v2.1
13-Nov-2017
Copyright © 2017 MIPI Alliance, Inc. 5
All rights reserved.
Confidential
8 104 124 Editorial or Technical: Editorial
Location: Before line 1387
Correction:
Insert
“The repetition period is 511 bits, and it starts with
eight ones of the PRBS9 sequence based on seed of
011111111 (Q9:Q1). In the PRBS9 sequence shown
above, every repetition period is separated by a red
slash (‘/’), and every byte is separated by an
underscore (‘_’).”
Reason: Explains PRBS9 test pattern and improved
formatting in the replacement PRBS9 test pattern
(see Item 7)
Technical Impact: None
9 104 124 Editorial or Technical: Editorial
Location: Line 1391
Correction: Change ‘data are’ to ‘data is’
Reason: Grammar edit
Technical Impact: None
10 144 164 Editorial or Technical: Both
Location: After page 144 (i.e., after Annex C and before
Participants section)
Correction:
Insert new Annex D as shown on the following page
Reason: Revised description of the PRBS9 Generator,
corrected PRBS9 seed value, and resulting change
to PRBS9 test pattern is required
Technical Impact: Changes the PRBS9 seed value and bit
sequence of the PRBS9 test pattern
11 6 26 Editorial or Technical: Editorial
Location: After line 161
Correction:
Insert new document reference [ITUT01] as shown below
Reason: The new Annex D cites ITU-150, and this Item
provides the reference to the document.
Technical Impact: None
[ITUT01] ITU-T Recommendation O.150, Specifications of measuring equipment – Equipment
for the measurement of digital and analogue/digital parameters – General
requirements for instrumentation for performance measurements on digital
transmission equipment, <http://www.itu.int/rec/T-REC-O/en
>, International
Telecommunications Union, 5 October 1992.
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