hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 50

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

HD66789
BT2
0
0
0
0
1
1
1
1
Note 1) The numerals in the bracket [ ] show the step-up scale from Vci1.
Note 2) The capacitor connection pins are step-up capacitors which are necessary for DDVDH, VCL, VGH,
Note 3) Set the voltage within the following range: DDVDH = 5.5 V (Max.), VCL = - 3.3 V (Min.),
VC2
0
0
0
0
1
1
1
1
Rev.0.12, May 09 2003, page 50 of 156
BT1
0
0
1
1
0
0
1
1
VGL voltages.
VGH = 16.5 V (Max.), VGL = -16.5 V (Min.)
VC1
0
0
1
1
0
0
1
1
BT0
0
1
0
1
0
1
0
1
VC0
0
1
0
1
0
1
0
1
VLOUT1
output
(DDVDH)
Vci1 x 2
[x2]
• ª
• ª
• ª
• ª
• ª
• ª
• ª
Step-up circuit 1
step-up frequency
Vci
0.92 x Vci
0.87 x Vci
0.83 x Vci
0.76 x Vci
0.73 x Vci
setting disabled
setting disabled
VLOUT4
output
(VCL)
Vci1 x -1
[x-1]
• ª
• ª
• ª
• ª
• ª
• ª
• ª
VLOUT2 output
(VGH)
DDVDH x 3
[x 6]
DDVDH x 3
[x 6]
DDVDH x 3
[x 6]
Vci1 +DDVDH x 2
[x 5]
Vci1 +DDVDH x 2
[x 5]
Vci1 +DDVDH x 2
[x 5]
DDVDH x 2
[x 4]
DDVDH x 2
[x 4]
DK
0
1
step-up circuit 1
Operation
Halt
Operation of
VLOUT3 output
(VGL)
- (Vci1+DDVDH x 2)
[x –5]
- (DDVDH x 2)
[x –4]
- (Vci1+DDVDH)
[x –3]
- (Vci1+DDVDH x 2)
[x –5]
- (DDVDH x 2)
[x –4]
- (Vci1+DDVDH)
[x –3]
- (DDVDH x 2)
[x –4]
- (Vci1+DDVDH)
[x –3]
Preliminary
Capacitor
connection pins
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±, C22±,
DDVDH, VGH, VGL, VCL,
C11±, C12±, C21±