VK2C22
VK2C22 is LCD Driver manufactured by Yongjia.
Features
- Operating voltage:2.4-5.5V
- Built-in 32k Hz RC oscillator
- Selection of 1/2 or 1/3bias
- 1/4 duty
- Built-in 44x4 bit display RAM
- Selection of 80Hz or 160Hz Frame Frequency
- STANDBY mode（by System Set mand LCD OFF,SYS oscillator OFF）
- I2C bus interface
- Display mode 44x4
- Versatile blinking modes
- Software configuration LCD parameters
- Read/Write address auto increment
- VLCD pin for adjusting LCD operating voltage（≤5.5V）
- Internal 16-step voltage adjustment to adjust LCD operating voltage
- Power-On Reset(POR)
- Low power consumption、High anti-interference
- Package:
LQFP52(14.0mm x 14.0mm PP=1.0mm) LQFP48(7.0mm x 7.0mm PP=0.5mm) DICE COG
)HEUXDU
5HY
.szvinka.
1 General Description
44×4 LCD DRIVER
VK2C22 is a RAM Mapping LCD Driver，It can support LCD screens with a maximum of 176 pattern(44SEGx4) .The device municates with host microcontrollers via a two-line bidirectional I2C bus,it is used to configure display parameters and transfer display data,, and can also enter the standby mode through System Set mand .With the characteristics of high anti-interference and low power consumption, it is suitable for water electrical meters and industrial control instruments.
February 2020
Rev. 1.3
2/25
.szvinka.
44×4 LCD DRIVER
2 COB PAD description and Coordinates
2.1 COB PAD Assignment
SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 VLCD
54 53 52 51 50 49 48 47 46 45 44 43 42 41
VDD 1
SDA 2
SCL 3 OP 4 VSS 5 0 6 1 7 2 8 3 9 SEG0 10 SEG1 11 SEG2 12 SEG3 13
TEST 0
40 SEG30 39 SEG29 38 SEG28 37 SEG27 36 SEG26 35 SEG25 34 SEG24 33 SEG23 32...
