em65570sagh ELAN Microelectronics Corp, em65570sagh Datasheet - Page 45

• Manufacturer Part Number: em65570sagh
• Description: 68com/98seg 65k Color Stn Lcd Drivers
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.0) 04.18.2006
(This specification is subject to change without further notice)
7.21 Discharge Circuit
7.22 Scroll Function
The EM65570S has built-in the discharge circuit, which discharges electricity from
capacitors for a stability of power sources (V0~V4).
The discharge circuit is valid, while the DIS register is set to “1”. When the built-in
power supply is used, should be set DIS=”1” after the power source is turned off
(DCON, AMPON)=(0, 0). And don’t turn on both the built-in power source and the
external power source (V0~V4, VOUT) while DIS=”1”.
This function specifies the portion of screen for scrolling. It sets scroll top address,
scroll bottom address, scroll specified address, scroll mode of the area scrolling, and
scroll start address. Please be noted that the scroll top address should be smaller than
the scroll bottom address. Remarks: 0 <= scroll top address, scroll bottom address,
scroll specified address <= 67; scroll top address <= scroll start address <= scroll
bottom address.
68COM/98SEG 65K Color STN LCD Drivers
EM65570S
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