HD66773R Datasheet, PDF (29/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
Power Control 1 (R03h)
Power Control 2 (R04h)
R/W RS
W1
IB15 IB14 IB13 IB12 IB11 IB10 IB9 IB8 IB7 IB6 IB5 IB4 IB3 IB2 IB1 IB0
0 0 0 0 0 BT2 BT1 BT0 DC2 DC1 DC0 AP2 AP1 AP0 SLP STB
W 1 CAD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
BT2–0: Change the step-up scale of the step-up circuit. Adjust the scale according to the voltage. Smaller
scale consumes lesser current.
BT2 BT1 BT0 DDVDH Output VGH Output Note*
Capacitor connect pin
0
0
0
2 x Vci1
3 x Vci2
VGH = Vci1 x 6
DDVDH, VGH, VGL, VCL,
C11±, C21±, C22±, C31±, C41±
0
0
1
2 x Vci1
4 x Vci2
VGH = Vci1 x 8
DDVDH, VGH, VGL, VCL,
C11±, C21±, C22±, C23±, C31±, C41±
0
1
0
3 x Vci1
3 x Vci2
VGH = Vci1 x 9
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±, C31±, C41±
0
1
1
3 x Vci1
2 x Vci2
VGH = Vci1 x 6
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±, C31±, C41±
1
0
0
2 x Vci1
Vci1 + 2 x Vci2
VGH = Vci1 x 5
DDVDH, VGH, VGL, VCL,
C11±, C21±, C22±, C31±, C41±
1
0
1
2 x Vci1
Vci1 + 3 x Vci2
VGH = Vci1 x 7
DDVDH, VGH, VGL, VCL,
C11±, C21±, C22±, C23±, C31±, C41±
1
1
0
Step-up
disabled
3 x Vci2
VGH = Vci2 x 3
DDVDH, VGH, VGL, VCL,
C21±, C22±, C31±, C41±
1
1
1
Setting disabled
Setting
disabled
Setting
disabled

Note*) The VGH is stepped-up from Vci1, which is the voltage level when DDVDH and Vci2 is short-circuited.
The VGH must be set to satisfy VDDVDH ≤ 5.5 V and VGH ≤ 16.5 V.
Rev.1.10, Jun.21.2003, page 29 of 133