Description
VK1622S is a LCD controller with 32x8 memory mapping driver.
Features
- Operating voltage 2.7V-5.5V.
- Clock sources - built-in 32768Hz oscillator or external clock.
- Simple control interface with multiple functions.
- Timer function output.
- Two kinds of fixed buzzer frequency output.
- Externally adjustable LCD voltage pin.
- 32 segment×8 common LCD drivers with memory mapping.
- 1/8 LCD duty.
- 1/4 LCD bias with built-in R-type driver.
- Externally adjustable LCD bias driver pins
Block Diagram
OSCI
Clock and Timing Control
T.