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LG 34UC80-BF Service Manual page 9

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5.5.2. Command Set
Adjustment
CMD(hex)
No.
contents
1
E E P R O M
WRITE
2
* Use
■ FOS Default write :
<14mode data> write
SyncFlags, HPeriodH, HPeriodL, VtotalH, VtotalL, SrcHTo-
talH, SrcHTotalL
SrcHStartH, SrcHStartL, SrcVStartH,SrcVStartL,
HsyncPhase
■ Temporary Data write: Write to particular address of EE-
PROM.
5.6. E2PROM Data Read
5.6.1. Signal TABLE
5.6.2. COMMAND SET
No.
Adjustment
CMD
ADH
contents
(hex)
(hex)
1
EEPROM
E7
READ
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
5.6.3. Use
Read E 2
LEN
Explanation
E8
94
16-Byte Write
(84+n)
n-byte Write
ADL
Explanation
(hex)
A0
0
0-Page 0~7F Read
80
0-Page 80~FF Read
A2
0
1-Page 0~7F Read
80
1-Page 80~FF Read
A4
0
2-Page 0~7F Read
80
2-Page 80~FF Read
A6
0
3-Page 0~7F Read
80
3-Page 80~FF Read
A8
0
4-Page 0~7F Read
80
4-Page 80~FF Read
AA
0
5-Page 0~7F Read
80
5-Page 80~FF Read
AC
0
6-Page 0~7F Read
80
6-Page 80~FF Read
AE
0
7-Page 0~7F Read
80
7-Page 80~FF Read
5.6.4 EDID Write
EEPROM access by using DDC2B protocol
■ 1-Byte write
L : 0x00~0x7F
D : data
■ 8-byte write
L : 0x00,0x10,....0x70
5.6.5. EDID Read
- DDC2B Command.(A0/A1)
- 128 Byte transfer of EDID Buffer of MICOM
- 9 -
Copyright ©
LG Electronics Inc. All rights reserved.
Only training and service purposes.

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