HD66773R Datasheet, PDF (5/133 Pages) Renesas Technology Corp – 262,144-color, 132 x 176-dot Graphics Controller Driver for TFT LCD panels

HD66773R
Features
• Single chip controller/driver for 262,144-color, 132RGB x 176-dot graphics display on TFT LCD
• 18-/16-/9-/8-bit high-speed bus interfaces and a Serial Peripheral Interface (SPI)
• High-speed burst-RAM write function
• Window address function enabling data write in a rectangular RAM-address area
• Internal bit-operation for graphics
à Bit-unit write-data mask function
à Pixel-unit logical operation / conditional rewrite function
• Abundant color-display control function:
à 262,144-color display (max.) with gamma adjustment function
à Line-unit vertical bi-directional scrolling display function
• Architecture with low power consumption
à Low-voltage operation: Vcc = 2.2 ~ 3.3 V
à Internal reference voltage power supply: Vci = 2.5 ~ 3.3 V
à Standby mode and other power-save functions:
à Partial LCD drive: 2-screen display at arbitrary two positions
à Internal power supply circuit
à Internal equalizing function
• Compliant to Cst/Cadd structures
• Internal power supply circuits
à Step-up circuit: 5 ~ 9-time scale, polarity inversion
à Power supply for TFT common electrode: Compliant to Vcom n-raster-row AC drive
à AC drive: Vgoff n-raster-row AC drive with Cadd structure
à Vcom (Vgoff) amplitude adjustment: 22-scale internal electronic volume adjustment
à Output power-supply voltage
à Voltages for power supply for
Vcom amplitude = 6V (max.),
TFT common electrode:
VcomH-GND = VREG1OUT (max.),
VcomL-GND = 1.0V ~ -Vci+0.5V (max.)
• Internal RAM capacity: 46,464 bytes
• LCD drive circuit with 396-output source signal and 176-output gate signal
• n-raster-row inversion drive: polarity inversion by arbitrary number of lines.
• Internal oscillation and hardware reset
• Changeable source and gate shift directions
• Compliant to COG with single chip, incorporating gates arranged on both sides.
Rev.1.10, Jun.21.2003, page 5 of 133