SDA9380-B21 Datasheet, PDF (34/72 Pages) Micronas – EDDC Enhanced Deflection Controller and RGB Processor

SDA 9380 - B21
- YLL:
Y0 input low level for PAL and NTSC matrices
0: 1 V (black-to-white value)
1: 0.7 V (black-to-white value)
Preliminary Data Sheet
System description
The Average beam current limit characteristics includes the following bits:
GAIN2 GAIN1 GAIN0 TUP1
TUP0 TDOWN1 TDOWN0 MODE
- GAIN2..0:
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
- TUP1..0:
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
- TDOWN1..0: Time constant of decreasing contrast/brightness when ABLIM is exceeded
10: approximately 30 ms
11: approximately 60 ms
00: approximately 120 ms
01: approximately 240 ms
- MODE:
Updating of contrast/brightness
0: with field frequency
1: with line frequency
Micronas
5-26
2001-01-29