ST7628 Description
INTRODUCTION ST7628 65K Color Dot Matrix LCD Controller/Driver The ST7628 is a driver & controller LSI for 65K color graphic dot-matrix liquid crystal display systems. It generates 294 Segment and 70 mon driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral Interface (SPI) or 8-bit/16-bit parallel display data and stores in an on-chip display data RAM.
ST7628 Key Features
- 294 Segment Outputs / 70 mon Outputs
- 3-line (9-bits) serial interface
- On-chip Oscillator Circuit
- Extremely Few Outsider ponents. (Required outsider ponents: Three Capacitors)
- On-chip Voltage Regulator
- On-chip Electronic Contrast Control Function
- Voltage Follower (LCD bias: 1/5~1/12)
- Various Partial Display
- Partial Window Moving & Data Scrolling
- 4FRC & 31 PWM function circuit to display 64 gray-scale display