EM65101AF EMC [ELAN Microelectronics Corp], EM65101AF Datasheet - Page 39

• Manufacturer Part Number: EM65101AF
• Description: 128COM/160SEG 16 Gray Scale Level LCD Driver
• Manufacturer: EMC [ELAN Microelectronics Corp]

Product Specification (V0.4) 08.15.2005
(This specification is subject to change without further notice)
7.14 Partial Display Function
The EM65101 has a partial display function, which can display a part of graphic display
area. This function is used to set lower bias ratio, lower boost step, and lower LCD
drive voltage. When setting the partial display function, the EM65101 consumes less
power. The Partial display function is suitable for clock indication or calendar indication
when portable equipment is on stand-by.
When using the partial display function, it is necessary to follow the sequence shown
below.
ELAN
LCD DRIVER
Low Power and
Low Voltage
Normal Display
Figure 7-17 Partial Display Function Sequential Flow
Power circuit off (DCON= "0", AMPON= "0")
Power circuit on (DCON= "1", AMPON= "1")
* Boost step set
* Bias Ratio set
* Duty Ratio set
Figure 7-16 Partial Display Block Diagram
Display off (ON/OFF= "0")
Display on (ON/OFF= "1")
Setting Power Function
Setting Display Function
Any display condition
Partial Display
WAIT
WAIT
* Display start common
128COM/160SEG 16 Gray Scale Level LCD Driver
* Electronic volume set
LCD DRIVER
Partial Display
EM65101
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