ST7781
11.1.33 EEPROM Wite Command (RDFh)
EEPROM Write Command (RDFh)
RS /WR /RD D15D14D13D12D11D10 D9 D8
D7 D6 D5 D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
EE_IB7 EE_IB6 EE_IB5 EE_IB4 EE_IB3 EE_IB2 EE_IB1 EE_IB0
EE_CMD7EE_CMD6 EE_CMD5 EE_CMD4EE_CMD3 EE_CMD2 EE_CMD1 EE_CMD0
1
1
1
↑
↑
↑
1
1
1
1
0
1
0
0
1
0
1
EE_IB[7:0]: Write Operation Selection.
EE_IB[7:0]=D2h,Write ID Code
EE_IB[7:0]=FEh,Write VCOM Offest
EE_CMD[7:0]: Select to Program/Erase ; Program Command : 3Ah ; Erase Command : C5h
Description
11.1.34 EEPROM Enable (RFAh)
EEPROM Enable (RFAh)
RS
/WR
/RD D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
0
D5
0
D4
0
D3
0
D2
0
D1
D0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
MTPPROG
0
0
0
1
↑
1
0
0
0
0
0
0
Default value
MTPPROG:”1” for enable EEPROM function with SW_EE =1
Description
11.1.35 EEPROM VCOM Offset (RFEh)
EEPROM VCOM Offset (RFEh)
RS
/WR
/RD D15 D14 D13 D12 D11 D10
D9
D8
D7
D6
0
D5
0
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VCMF4VCMF3VCMF2VCMF1VCMF0
1
↑
1
0
0
0
0
0
0
0
0
0
0
Default value
VCMF[4:0]: Set VCOMH Voltage level for reduce the flicker issue
VCMF[4:0]
VCOMH Output Level
00000
00001
00010
|
“VCOMH”
“VCOMH”+1d
“VCOMH”+2d
|
01110
01111
10000
10001
10010
|
“VCOMH”+14d
“VCOMH”+15d
“VCOMH”-16d
“VCOMH”-15d
“VCOMH”-14d
|
Description
11110
11111
“VCOMH”-2d
“VCOMH”-1d
Note: 1d=GVDDX0.005, 2d= GVDDX0.01, 3d = GVDDX0.015....
3V <= VCOMH + nd <=5V (n= -16~15)
Ver. 1.7
68
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
