EM65568 ELAN Microelectronics Corp, EM65568 Datasheet - Page 55

• Manufacturer Part Number: EM65568
• Description: 130 Com/ 128 Seg 4096 Color Stn Lcd Driver
• Manufacturer: ELAN Microelectronics Corp

7.27 Partial Display Function
The EM65568 has the partial display function, which can display a part of graphic display area. This function is used be set
lower bias ratio, lower boost step, and lower LCD drive voltage. Since setting partial display function, EM65568 provides low
power consumption. Partial display function is the most suitable for clock indication or calendar indication when a portable
equipment stand-by.
Image of partial Display
When using the partial display function, it is necessary to keep following sequence.
* This specification is subject to be changed without notice.
ELAN
LCD DRIVER
Low Power and
Low Voltage
Normal Display
Power circuit off (DCON= "0", AMPON= "0")
Power circuit on (DCON= "1", AM PON= "1")
* Boost step set
* Bias Ratio set
* Duty Ratio set
* Display start common
Display off (ON/OFF= "0")
Display on (ON/OFF= "1")
Setting Power Function
Setting Display Function
Any display condition
Partial Display
130 COM/ 128 SEG 4096 Color STN LCD Driver
W AIT
W AIT
* Electronic volume set
55
* Display start Address
LCD DRIVER
Partial Display
2005/3/8 (V1.2)
EM65568