em65570sagh ELAN Microelectronics Corp, em65570sagh Datasheet - Page 37

• 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)
7.18 2-D Graphic Acceleration Engine
vss
vss
vss
VDD
When using internal power circuit
C2
C2
C2
C2
C2
Recommended value
EM65570S has 2-D graphic acceleration engine to support graphic functions including
“Draw Rectangle”, “Dim function”, “Copy function”, and “Clear function”. User must
generate clock yourself to support to graphic engine in all graphic function. Hardware
will write data to display RAM at rising edge of GCK signal. The GCK signal can be
‘WRB’, ‘E’, ‘SCL’ as shown below:
C1
C1
(4 times boosting)
C1
C1
C1
Parallel 80-family
Parallel 68-family
VDD
VEE
CAP3+
CAP3-
CAP2-
CAP2+
CAP4+
CAP1+
CAP1-
V2X
VOUT
V0
V1
V2
V3
V4
Interface
Serial
C1
C2
GCK Signal Definition
1.0 to 1.5 µf
1.0 to 1.5 µf
WRB
SCL
E
vss
vss
68COM/98SEG 65K Color STN LCD Drivers
When using internal power circuit
vss
VDD
C2
C2
C2
C2
C2
(5 times boosting)
C1
C1
C1
C1
C1
C1
VDD
VEE
CAP3+
CAP3-
CAP2-
CAP2+
CAP4+
CAP1+
CAP1-
V2X
VOUT
V0
V1
V2
V3
V4
EM65570S
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