EM65571 ELAN Microelectronics Corp, EM65571 Datasheet - Page 102

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

EM65571
130COM/128SEG 65K Color STN LCD Driver
96 x
8.2.29 EEPROM Mode Select Register
Note: During a reset: {M1, M0, VPP_EXT, OSC} = CH, read address: AH
The (M1, M0) register control EEPROM mode
The VPP_EXT register controls the EEPROM power selection.
The OSC register controls the oscillator frequency selection.
8.2.30 Vop Calibration Offset Register
Note: During a reset: {CV4, CV3, CV2, CV1} = 0H, read address: BH)
The CV4~CV1 register controls the Vop calibration offset voltage selection.
where
D7 D6 D5 D4 D3 D2
D7
1
1
VPP_EXT=0 o Program or Erase EEPROM voltage is from an internal power source.
VPP_EXT=1 o Program or Erase EEPROM voltage is from an external power source.
OSC=0 o Initial oscillator frequency setting
OSC=1 o Oscillator frequency + 50%
0
Offset: CV1~CV4 setting
CV4-CV1
D6
VBA
0
(M1, M0)
0111
0110
0000
1000
1001
1111
…
…
M: DV register setting
1
00
01
10
11
D5
1
ª
« ¬
0
1

D4
16~18V is from an external VPP pin.
1
M1 M0
M
CV4 CV3 CV2 CV1

D3
381
Calibration Offset
Offset
EEPROM Operating Mode
VPP_EXT
D2
D1
º
» ¼
+7
+6
…
…
-8
-7
-1
0
u
D1
VREF
Program
Reserve
Erase
Read
D0
(This specification is subject to change without further notice)
OSC
D0
CSB
0
CSB RS RDB WRB RE2 RE1 RE0
0
Product Specification (V1.0) 08.04.2005
RS
1
1
RDB WRB
1
1
0
0
RE2 RE1 RE0
1
1
0
0
1
1