STE2007_06 Datasheet, PDF (53/62 Pages) STMicroelectronics – 96 x 68 Single-chip LCD controller/driver

STE2007
Commands
8.18
Temperature Compensation
Its is possible to select different VLCD temperature compensation Coefficients.
Table 42. VLCD Temperature Compensation
(D/C) D7 D6 D5 D4 D3 D2 D1 D0 HEX
0
0
0
1
1
1
0
0
0
38
0
*
*
*
*
*
Thermal
Compensation
TC
Function
Command Identifier
Data Field
Temperature Compensation Formula:
VLCD(T) = VLCD(T_A) · [1 + (T(°C) - T_A) · TC]
TC = Temperature Compensation Coefficients
T(°C) = Temperature
VLCD(T_A) = LCD Voltage at T_A Temperature (Room Temperature)
Table 43. TC
TC2 TC1 TC0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
TC Value
TC= 0 PPM
TC= -300 PPM
TC= -600 PPM
TC= -900 PPM
TC= -1070 PPM
TC= -1200 PPM
TC= -1500 PPM
TC= -1800 PPM
8.19
Charge Pump Multiplication Factor
It is possible to select different Charge Pump Multiplication Factors.
Table 44. Charge Pump Setting
(D/C) D7 D6 D5 D4 D3
0
00111
0
*
*
*
*
*
D2 D1 D0 HEX
1 0 1 3D
* CP1 CP0
Function
Command Identifier
Data Field
53/62