sh6616 SinoWealth Micro-Electronics Corp. Ltd, sh6616 Datasheet - Page 20

• Manufacturer Part Number: sh6616
• Description: 16k 4-bit Microcontroller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

7.1.2. LCD Voltage Generator
LCD voltages V1, V2, V3, V4 are obtained using resistor divider network. The LCD can be turned off by writing in the LCD OFF
register.
7.1.3. LCD Waveform
The output waveform of 1/16 duty and 1/5 bias is shown below.
COM16
COM1
COM2
COM3
SEG
GND
V
V
GND
GND
GND
V
V
V
GND
V3
DD
V2
V3
V4
V2
V3
V4
V1
DD
V2
V3
DD
V1
V2
V3
V4
V1
V2
V1
V1
V4
DD
DD
V4
20
SH6616