HD66765
HD66765 is 396-channel Segment Driver manufactured by Hitachi Semiconductor.
Features
- 132RGB x 176-dot graphics display LCD controller/driver for 4,096 STN colors (when HD66764 is used)
- Low-voltage drive and flickerless PWM grayscale drive
- 16-/8-bit high-speed bus interface and serial peripheral interface (SPI)
- High-speed burst-RAM write function
- Writing to a window-RAM address area by using a window-address function
- Bit-operation functions for graphics processing:
Write-data mask function in bit units Logical operation in pixel unit and conditional write function
- Various color-display control functions: 4,096 out of 13,824 possible colors can be displayed at the same time (grayscale palette included)
Vertical scroll display function in raster-row units
- Low-power operation supports: Vcc = 1.8 to 3.6 V (low-voltage range) VLCD = 2.0 to 4.0 V (liquid crystal drive voltage) Power-save functions such as the standby mode and sleep mode Partial LCD drive of two screens in any position Programmable drive duty ratios (1/16- 1/176) and bias values (1/4- 1/13) displayed on LCD n Maximum 12-times step-up circuit for liquid crystal drive voltage (HD66764) tio Voltage followers to decrease direct current flow in the LCD drive bleeder-resistors
(HD66764) ifica 128-step contrast adjuster (HD66764)
- Built-in circuit for interfacing with the HD66764 mon driver ec- Maximum 132RGB-by-176-dot display in bination with the HD66764 mon driver p- Internal RAM capacity: 34,848 bytes y S-...
