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-
41
-
Write EDID data to MCU DDC RAM
55 NA
NA
NA
√
For MTV312 MCU type
Copy DDC RAM data to EEPROM
BB
NA
NA
NA
√
For MTV312 MCU type
Drive WP pin to low to enable write DDC IC
55 NA
NA
NA
√
For stand alone DDC IC
Drive WP pin to high to disenable write function
BB
NA
NA
NA
√
For stand alone DDC IC
Switch DDC bus to
DVI-A
DDC IC
44 NA
NA
NA
√
For input signal with multi-
input source
Switch DDC bus to
DVI-D
DDC IC
33 NA
NA
NA
√
For input signal with multi-
input source
Change Senseye Mode
C0
0~3
XX cksum
√
Change Power Status
D0
Data
XX cksum
√
PowerOFF: Data=AA
PowerON: Data=Other Value
Change Language Type
D1
Data
XX ckssum
√
Asia: Data=AA
European: Data=Other Value
EEPROM Bank R/W (For Debug using only, not for Production Line Write EEPROM directly)
Read EEPROM Bank 0
B0
Address
XX cksum
√
Read EEPROM Bank 1
B1
Address
XX cksum
√
Read EEPROM Bank 2
B2
Address
XX cksum
√
(For 24C08 type)
Read EEPROM Bank 3
B3
Address
XX cksum
√
(For 24C08 type)
Write EEPROM Bank 0
B8
Address
Data cksum
√
Write EEPROM Bank 1
B9
Address
Data cksum
√
Write EEPROM Bank 2
BA
Address
Data cksum
√
(For 24C08 type)
Write EEPROM Bank 3
BB
Address
Data cksum
√
(For 24C08 type)
Note A: Byte4 (cksum) = Byte1 + Byte2 + Byte3
Note B: Data = The value write to MCU or EEPROM
Note C: XX = don't care, any value (<=0xFF).
When PC Host sends 0x7D command to MCU, MCU must return as following (2 bytes)
Return Code
R-Byte1
R-Byte2
Checksum error code
FC
AA
Normal return code
the above Byte3 (/data)
FC
If normal return code is exact FCh
FC
CF
Summary of Contents for T201WA
Page 25: ...4 Disassembly Assembly 4 1 Exploded View 25...
Page 26: ...4 2 Disassembly Assembly 26...
Page 27: ...27...
Page 30: ...30 b click select Parallel...
Page 31: ...c Modify Speed to 140000 Hz in Parallel item Click device finish 31...
Page 32: ...d Follow the follow steps in turn link I2C BD power cable signal cable 32...
Page 34: ...34...
Page 53: ...6 2 TROUBLE SHOOTING GUIDE 6 2 1 No Display or display is unstable Interface Board 53...
Page 54: ...6 2 2 BUTTON function Control Board 6 2 3 OSD function 54...
Page 55: ...6 2 4 No power troubleshooting 55...
Page 59: ...59...