SDA9380 Micronas Intermetall GmbH, SDA9380 Datasheet - Page 34

• Manufacturer Part Number: SDA9380
• Description: Enhanced Deflection Controller And RGB Video Processor (EDDC)
• Manufacturer: Micronas Intermetall GmbH

SDA 9380 - B21
The Average beam current limit characteristics includes the following bits:
Micronas
GAIN2
- YLL:
- GAIN2..0:
- TUP1..0:
- TDOWN1..0: Time constant of decreasing contrast/brightness when ABLIM is exceeded
- MODE:
GAIN1
Y0 input low level for PAL and NTSC matrices
0: 1 V (black-to-white value)
1: 0.7 V (black-to-white value)
Gain adjustment
100: 0.25
101: 0.375
110: 0.5 (default value)
111: 0.625
000: 0.875
001: 1.125
010: 1.5
011: 2
Time constant of increasing contrast/brightness (current contrast is lower
than the adjusted contrast by I²C, ABLIM is not exceeded)
10: approximately 0.25 second
11: approximately 0.5 second
00: approximately 1 second
01: approximately 2 second
10: approximately 30 ms
11: approximately 60 ms
00: approximately 120 ms
01: approximately 240 ms
Updating of contrast/brightness
0: with field frequency
1: with line frequency
GAIN0
TUP1
5-26
TUP0
TDOWN1 TDOWN0
Preliminary Data Sheet
System description
MODE
2001-05-03