EM65101
128COM/160SEG 16 Gray Scale Level LCD Driver
8.2.23 EEPROM Mode Select Register
D7 D6 D5 D4 D3 D2 D1 D0
CSB RS RDB WRB RE2 RE1 RE0
VPP_
EXT
0
0
0
0
M1 M0
0
1
1
0
0
1
0
*
* = Don’t Care
(At the time of reset: {M1, M0, VPP_EXT } = 6H, read address: 0H)
The (M1,M0) register controls the EEPROM mode
(M1,M0)
EEPROM Operating Mode
Delay Time
00
01
10
11
Read
Program
Erase
> 10 uS
> 4 mS
> 4 mS
-
Reserve
The VPP_EXT register controls the EEPROM power selection.
VPP_EXT=0 ꢁProgram or Erase EEPROM voltage from internal power.
VPP_EXT=1 ꢁProgram or Erase EEPROM voltage from external power. Forces
17~18V from the VPP pin externally.
8.2.24 Vop Calibration Offset Register
D7 D6 D5 D4 D3 D2 D1 D0
CV3 CV2 CV1 CV0
CSB RS RDB WRB RE2 RE1 RE0
0
0
0
1
0
1
1
0
0
1
0
(At the time of reset: {CV3, CV2, CV1, CV0} = 0H, read address: 1H)
D7 D6 D5 D4 D3 D2 D1 D0
CV5 CV4
CSB RS RDB WRB RE2 RE1 RE0
0
0
1
0
0
1
1
0
0
1
0
*
*
* = Don’t Care
(At the time of reset: {CV5, CV4} = 0H, read address: 2H)
The CV5~CV0 registers control the Vop calibration offset voltage selection
VBA= (1+ (M + offset) / 381)* VREF
M : DV register setting ; offset : CV5~CV0 setting
CV5~CV0
Calibration Offset
011111
011110
…
+31
+30
…
000001
000000
100000
100001
…
+1
0
-32
-31
…
111111
-1
60 •
Product Specification (V0.4) 08.15.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
