EM65570 ELAN Microelectronics Corp, EM65570 Datasheet - Page 83

• Manufacturer Part Number: EM65570
• Description: 68com / 98seg 65k Color Stn Lcd Driver
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
The CV5~CV0 registers control the Vop calibration offset voltage selection.
8.2.28 EEPROM Address Select Register
(At the time of reset: {NIB1, NIB0} = 0H, read address: AH)
The NIB register selects low nibble or high nibble data to access from EEPROM.
*
D7
Don’t Care
1
1: When setting CV5~CV0, you must set CV5~CV4 (upper nibble register) first, then set
2: The programming sequence of CV5~CV4 and CV3~CV0 is not restricted.
3: When reading from CV5~CV0, you must read EEPROM data to CV5~CV4 (upper
D6
CV3~CV0 (lower nibble register), and then start to program.
nibble register) first, then read the EEPROM data to CV3~CV0 (lower nibble register).
0
NIB1
0
0
D5
1
CV5~CV0
D4
011111
011110
000001
000000
100000
100001
111111
0
…
…
D3
*
VBA = (1+ (M + offset) / 381)* VREF
M: DV register setting
offset: CV5~CV0 setting
NIB0
0
1
D2
*
NIB1 NIB0
D1
D0
NOTE
68COM/ 98SEG 65K Color STN LCD Driver
CSB RS RDB WRB RE2 RE1 RE0
0
Bank 4[6H] (CV3~CV0)
Bank 4[7H] (CV5~CV4)
EEPROM Address
Calibration Offset
1
1
+31
+30
-32
-31
…
+1
…
-1
0
0
1
EM65570
0
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0