PCF8801 Description
The PCF8801 is a peripheral device which interfaces a multiplexed Liquid Crystal Display (LCD) having two backplanes and up to 140 segments. It generates drive signals at a multiplex rate of 1 : 2 allowing seven 40-segment (5 x 8) characters to be driven.
PCF8801 Key Features
- Single-chip LCD controller/driver
- Fixed backplane multiplexing at a rate of 1 : 2
- Internal LCD bias generation (0.5VDD)
- 140 segment outputs configured to drive seven 40-segment characters
- On-chip oscillator with one external resistor
- Wide power supply range (2.7 V up to 5.5 V)
- Low power consumption
- patible with most microprocessors/microcontrollers
- 1 MHz serial bus interface (280-bit shift register)
- Easily cascaded for large LCD
PCF8801 Applications
- patible with chip-on-glass technology