EM65101
128COM/160SEG 16 Gray Scale Level LCD Driver
7.13 EEPROM Function
The EM65101 supports EEPROM function that allows you to change the LCD
operating voltage Vop. It can also select EEPROM operating mode and set to use
internal or external power supply for EEPROM. In the EEPROM select register (Bank2
[0H]), then use (M1, M0) to select the operating mode for EEPROM:
(M1, M0)
EEPROM Operating Mode
Delay Time
> 10 uS
> 4 mS
> 4 mS
-
00
01
10
11
Read
Program
Erase
Reserve
NOTE
When using the EEPROM function, VDD must be larger than 2.8V (VDD≧2.8V)
You can get the Vop calibration offset voltage by setting the Vop calibration offset
register (Bank 2[1H & 2H]).
CV5~CV0
011111
011110
…
Calibration Offset
+31
+30
…
000001
000000
100000
100001
…
+1
0
-32
-31
…
111111
-1
Product Specification (V0.4) 08.15.2005
• 27
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
