upd161608 Renesas Electronics Corporation., upd161608 Datasheet - Page 41

• 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.

13.7 Power Supply Control 3 (R0DH)
NOTP1: NOTP1 becomes “0” after power on reset and VLCD63 voltage becomes programmed EEPROM value. When
VRH3-VRH0: Set amplitude magnification of VLCD63. These bits amplify the VLCD63 voltage 1.330 to 2.775 times the
R/W
W
NOTP1 set to “1”, setting of VRH3-VRH0 becomes valid and voltage of VLCD63 can be adjusted.
RS
1
Vref voltage set by VRH3-VRH0.
Caution VLCD63 output voltage that is set by VRH [3:0] setting is limited
IB15 IB14 IB13 IB12 IB11 IB10
VRH3
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
under VCIX2 voltage. Vref is the internal reference voltage equals to 2.0 V.
VRH2
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
VRH1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Data Sheet S17594EJ2V0DS
0
VRH0
IB9
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
IB8
0
IB7
0
IB6
VLCD63 Output
0
Vref x 2.175.
Vref x 1.330
Vref x 1.450
Vref x 1.550
Vref x 1.650
Vref x 1.750
Vref x 1.800
Vref x 1.850
Vref x 1.900
Vref x 2.325
Vref x 2.475
Vref x 2.625
Vref x 2.700
Vref x 2.775
Stopped
Stopped
NOTP1
IB5
Dummy1
IB4
VRH3 VRH2 VRH1 VRH0
IB3
IB2
μ
PD161608
IB1
IB0
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