EM65570
68COM/ 98SEG 65K Color STN LCD Driver
8.2.13 Temperature Compensation Set
D7 D6 D5 D4 D3 D2 D1
D0
CSB RS RDB WRB RE2 RE1 RE0
0
0
1
0
*
*
TCS1 TCS0
0
1
1
0
0
0
1
* Don’tCare
(At the time of reset:{ TCS1,TCS0 } = 0H, read address: 2H)
TCS1
TCS0
Temperature Compensation Slope
-0.05% per °C
0
0
1
1
0
1
0
1
-0.1% per °C
-0.15% per °C
-0.2% per °C
VREF (T) (Temperature compensation output voltage) is controlled by TCS1, TCS0,
and previous environment temperature T.
VREF (T) = VREF 0[(1+ TCS(T − 250C)]
TCS is selected by TCS1 and TCS0
VREF0 = 1.5V at 25°C
TCS: 00 -0.05% / °C
TCS: 01 -0.1% / °C
TCS: 10 -0.15% / °C
TCS: 11 -0.2% / °C
Temperature
Figure 8-3 Temperature Compensation Slope
68 •
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
