VK1072B Overview
2.2 VK107B SOP28 Pin Description VK1072B 18×4 LCD DRIVER No. Name I/O Function 1-18 SEG30-SEG0 O LCD SEG outputs 19 CS I Chip selection input with pull-up resistor 1-disabe，0-enable. 20 WR I READ clock input with pull-up resistor, data out on the falling edge of the /RD signal.
VK1072B Key Features
- Operating voltage:2.4-5.2V
- Built-in 256kHz RC oscillator（default）
- Selection of 1/2 or 1/3 bias
- Selection of 1/2 or 1/3 or 1/4 duty
- Built-in 18×4 bit display RAM
- STANDBY mode（by Cmd LCD OFF,SYS DIS）
- 3 wire serial interface
- Software configuration LCD parameters
- Data mode and mand mode instructions
- Write address auto increment