HD66773R Datasheet, PDF (110/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
*VcomH voltage
Adjustment
(with external
resistors)
*In case of using
VciOUT
output amplifier
Vci
Note 2
Vci
Note 2
VREG2
OUT
Amplifier 2
Vgoff
adjustment
VREG1
OUT
Ampifier 1
VDH
adjustment
REGP
Vci
VcomR
VciOUT
output
amplifier
Vci1
C11-
C11+
C12-
Step-up
Circuit 1
C12+
DDVDH
Vci2
C21-
C21+
C22-
C22+
C23-
C23+
VGH
Step-up
Circuit 2
Vci3
C31-
C31+
VGL
Step-up
Circuit 3
Vci
Volume
adjsutment
circuit
Vci4
C41-
C41+
VCL
Step-up
Circuit 4
VcomH
Adjustment
circuit
Vcom
Amplitude
Adjustment
circuit
Grayscale
Voltage
Generating
circuit
V0P
V0N
V31P
V31N
VMONI
γ _adjustment
circuit
Source
driver
VcomH
output
amplifier
VcomH
Vcom
Vgoff
Amplitude
Adjustment
circuit
Vcom L
output
amplifier
VgoffH
Output
Amplifier
VcomL
VgoffH
VgoffOUT
VgoffL
output
amplifier
Gate driver
HD66773R
Vgoff
VgoffL
TESTA1
TESTA 2
TESTA 3
TESTA 4
Vcc
Note1
GND
Vci
GND
Note 1) Use a capacitor of 0.1µF (B characteristics). Other capacitors must be 1µF (B characteristics).
Connect stabilizing capacitors to TESTA1 ~ TESTA4 depending on the display quality or power consumption.
Note 2) Place a shot key barrier diode (VF = 0.4V/around 20mA, VR >= 30V
Internal configuration of power supply circuit
Rev.1.10, Jun.21.2003, page 110 of 133