EM65571 ELAN Microelectronics Corp, EM65571 Datasheet - Page 106

• Manufacturer Part Number: EM65571
• Description: 130com / 128seg 65k Color Stn Lcd Driver
• Manufacturer: ELAN Microelectronics Corp

EM65571
130COM/128SEG 65K Color STN LCD Driver
Relationship between the oscillating frequency (fosc) and external clock frequency (fCK) to the LCD
frame frequency (fFLM) in each display mode
100 x
oscillating circuit
from the CK pin.
Booster output
Voltage on VOUT pin
Current consumption
VBA output voltage
VREF output voltage
V0 output voltage
When using an
When using a
external clock
Oscillating
Original
built-in
Clock
(fosc)
(fCK)
Item
Variable gradation
Variable gradation
Simple gradation
Simple gradation
Simple gradation
Simple gradation
Simple gradation
Simple gradation
Symbol
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
Display Mode
VREF VDD = 2.4 ~ 3.3V
IDD1
IDD2
(4096 color)
(4096 color)
VBA
(65K color)
(65K color)
(256 color)
(256 color)
V0
Seven times boosting
RL = 500K (VOUT-VSS)
Six times boosting
RL = 500K (VOUT-VSS)
Five times boosting
RL = 500K (VOUT-VSS)
Four times boosting
RL = 500K (VOUT-VSS)
Three times boosting
RL = 500K (VOUT-VSS)
Two times boosting
RL = 500K (VOUT-VSS)
VDD = 3V, 6 times
boosting, All ON pattern
VDD = 3V, 6 times
boosting, Check pattern
VDD =2.4V~3.3V
VDD = 2.4 ~ 3.3V
Condition
fosc / (2u47uD) fosc / (4u47uD) fosc / (8u47uD) fosc / (16u47uD)
fosc / (2u31uD) fosc / (4u31uD) fosc / (8u31uD) fosc / (16u31uD)
fosc / (2u15uD) fosc / (4u15uD) fosc / (8u15uD) fosc / (16u15uD)
fCK / (2u47uD) fCK / (4u47uD) fCK / (8u47uD) fCK / (16u47uD)
fCK / (2u31uD) fCK / (4u31uD) fCK / (8u31uD) fCK / (16u31uD)
fCK / (2u15uD) fCK / (4u15uD) fCK / (8u15uD) fCK / (16u15uD)
fosc / (2u7uD)
fCK / (2u7uD)
1/130 to 1/98
(This specification is subject to change without further notice)
7uVEEu0.95
6uVEEu0.95 6uVEEu0.98 6uVEEu0.99 V
5uVEEu0.95 5uVEEu0.98 5uVEEu0.99 V
4uVEEu0.95 4uVEE u0.98 4uVEEu0.99 V
3uVEEu0.95 3uVEEu0.98 3uVEEu0.99 V
2uVEEu0.95 2uVEEu0.98 2uVEEu0.99 V
(VEE<=2.8)
Ratio of Display Duty Cycle (1/D)
0.99uV0
fosc / (4u7uD)
fCK / (4u7uD)
1/82 to 1/50
Min.
1.5
Product Specification (V1.0) 08.04.2005
7uVEEu0.98
(VEE<=2.8)
Typ.
600
800
1.5
V0
fosc / (8u7uD)
fCK /(8u7uD)
1/34 to 1/26
7uVEEu0.99
(VEE<=2.8)
1.01uV0
Max.
2.0
fosc / (16u7uD)
fCK / (16u7uD)
1/18 to 1/10
Unit
µA
µA
V
V
V
used
Pin
12
13
14
15
16
17
18
19
20
21