- 2
5
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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
<14mode data> write
SyncFlags,HPeriodH, HPeriodL, VtotalH,VtotalL,SrcHTotalH, SrcHTotalL
SrcHStartH, SrcHStartL, SrcVStartH,SrcVStartL, HsyncPhase
Temporary Data write: Write to particular address of EEPROM.
6.6 E PROM Data Read
2
6.6.1 Signal TABLE
----------------------------------------------------------------------
128 Bytes
6.6.2 COMMAND SET
No.
Adjustment contents
CMD(hex) ADH(hex) ADL(hex)
Explanation
1
EEPROM READ
E7
A0
0
0-Page 0~7F Read
2
80
0-Page 80~FF Read
3
A2
0
1-Page 0~7F Read
4
80
1-Page 80~FF Read
5
A4
0
2-Page 0~7F Read
6
80
2-Page 80~FF Read
7
A6
0
3-Page 0~7F Read
8
80
3-Page 80~FF Read
9
A8
0
4-Page 0~7F Read
10
80
4-Page 80~FF Read
11
AA
0
5-Page 0~7F Read
12
80
5-Page 80~FF Read
13
AC
0
6-Page 0~7F Read
14
80
6-Page 80~FF Read
15
AE
0
7-Page 0~7F Read
16
80
7-Page 80~FF Read
6.6.3 Use
Read E PROM’s specific area as unit of 128(80h)-byte. ( 84h )
2
6.6.4 EDID Write
EEPROM access by using DDC2B protocol
1-Byte write
STOP
A
A
D1
6F
STOP
START
A
A
A
Dn
A
A
A
50
6E
03
CMD
ADH
84
START
A
A
ADL
A
CS
Delay 150ms
STOP
A
L
A0
D
START
A
A
L : 0x00~0x7F
D : data
8-byte write
L : 0x00,0x10,….0x70
STOP
A
A
A
A
L
A0
….
Data8
Data1
START
A
6.6.5 EDID Read
DDC2B Command.(A0/A1)
STOP
A
00
A0
START
A
A
CS
A
Data1
A1
START
. . .
Data128
- 128 Byte transfer of EDID Buffer of MICOM
Summary of Contents for 29UM68
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