upd161608 Renesas Electronics Corporation., upd161608 Datasheet - Page 45

• Manufacturer Part Number: upd161608
• Description: 176-rgb X 220-dot 1-chip Driver Ic For 262,144-color Tft-lcd Display
• Manufacturer: Renesas Electronics Corporation.

13.13 Software Reset (R28H)
13.14 Gamma Control1 to 10 (R30H to R37H, R3AH, R3BH)
NOTP4: NOTP4 becomes “0” after power on reset and gamma curve setting (R30H-R37H, R3AH, R3BH) becomes
PKP52-PKP00: Micro-adjustment register for the positive polarity output
PRP12-PRP00: Gray-scale adjustment register for the positive polarity output
PKN52-PKN00: Micro-adjustment register for the negative polarity output
PRN12-PRN00: Gray-scale adjustment register for the negative polarity output
VRP14-VRP10: Amplitude adjustment register for the positive polarity output
VRP03-VRP00: Reference adjustment register for the positive polarity output
VRN14-VRN10: Amplitude adjustment register for the negative polarity output
VRN03-VRN00: Reference adjustment register for the negative polarity output
Register can be reset to its POR default values upon the following sequence are completed.
For more detail, refer to 14. GAMMA ADJUSTMENT FUNCTION.
R3AH
R3BH
R30H
R31H
R32H
R33H
R34H
R35H
R36H
R37H
Reg.
Caution
programmed EEPROM value. When NOTP4 set to “1”, setting of R30H-R37H, R3AH, R3BH become valid and
voltage of each gamma curve can be adjusted.
Step
R/W
1
2
3
W
W
W
W
W
W
W
W
W
W
RS
All other above settings of R28H are reserved. Therefore, please don’t set up.
1
1
1
1
1
1
1
1
1
1
R28H
R28H
R28H
Resister
IB15 IB14 IB13 IB12 IB11 IB10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0006
000E
0000
0
0
0
0
0
0
0
0
0
0
Value
NOTP4
VRP14 VRP13
VRN14 VRN13
0
0
0
0
0
0
0
Dummy4
Data Sheet S17594EJ2V0DS
0
0
0
0
0
0
0
Idle
Initialize register
Reset is released.
PKP12
PKP32
PKP52
PRP12
PKN12
PKN32
PKN52
PRN12
VRP12
VRN12
PKP11 PKP10
PRP11 PRP10
PKN31 PKN30
PKN51 PKN50
PRN11 PRN10
VRN11 VRN10
PKP31 PKP30
PKP51 PKP50
PKN11 PKN10
VRP11 VRP10
IB9
Internal Operation
IB8
IB7
0
0
0
0
0
0
0
0
0
0
IB6
0
0
0
0
0
0
0
0
0
0
IB5
0
0
0
0
0
0
0
0
0
0
IB4
0
0
0
0
0
0
0
0
0
0
VRN03
VRP03
IB3
0
0
0
0
0
0
0
0
PKP02
PKP22
PKP42 PKP41 PKP40
PRP02 PRP01 PRP00
PRN02 PRN01 PRN00
VRP02
VRN02
PKN02
PKN22
PKN42 PKN41 PKN40
IB2
μ
PD161608
PKN01 PKN00
PKN21 PKN20
VRN01
PKP01 PKP00
PKP21 PKP20
VRP01
IB1
VRN00
VRP00
IB0
45