SPFD54124B Drise, SPFD54124B Datasheet - Page 101

• Manufacturer Part Number: SPFD54124B
• Description: 396-Channel 6-Bit Source Driver
• Manufacturer: Drise

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6.3.20. NVFCTR1 (D9h): NV Memory Function Controller 1
NOTE: “-“ Don’t care1
© ORISE Technology Co., Ltd.
Proprietary & Confidential
Description
Restriction
1
st
NVFCTR1
Inst / Para
Parameter
D9H
- Write WVMH[6:0] for VCOMH voltage to $D9 when the value is considered as the optimum for display quality.
- The endurence for SPFD54124B NV memory is 4 times for ID1 ,ID2, ID3, and VCOMH.
The endurence of ID1, ID2, ID3, and WVMH is 4 times.
D/CX
0
1
WRX
↑
↑
RDX
1
1
D17-8
-
-
EXTC=VDDI -->
Accessing Command2 enable
Check the display quality
Prepare the data that will be
written into OTP cell
OTP programming procedure
Verify the progamming
procedure by read back the data
through $C8
WVMH
NVFCTR1 (NV Memory Function Controller 1)
D7
1
7
WVMH
D6
1
6
101
WVMH
Apply 7.5V at VGH pad
Remove external power
Wait more than 1.5sec
D5
Optimum Display??
from Reserved pad
0
5
NVFCTR2 ($DE)
NVFCTR3($DF)
NVFCTR1 ($D9)
VMCTR1($C5)
= 8'b1xxx_xxxx
VMCTR1($C5)
= 8'b0xxx_xxxx
SLPOUT($11)
RAMWR($2C)
SLPOUT($11)
RDVMH($C8)
EXTC=VDDI
DISPON($29)
8'b1nnn_nnnn
WRID1($D0)
WRID2($D1)
WRID3($D2)
SLPIN($10)
START
END
Yes
WVMH
D4
1
4
WVMH
No
The Optimum value for
VCOMH = 7'bnnn_nnnn
D3
1
3
WVMH
D2
0
2
SPFD54124B
WVMH
Preliminary
D1
0
1
Preliminary Version: 0.6
WVMH
D0
1
0
APR. 26, 2007
(Code)
(D9h)
-