ADVANCE INFORMATION
VCT 38xxA
2
I C Sub
Number
Mode
Function
Default Name
address of bits
Scan Velocity Modulation
video mode coefficients
h’5a
h’56
h’52
h’4e
9
9
9
9
w v
w v
w v
w v
SVM1
60 SVG1
4 SVD1
bit [5:0]
bit [8:6]
gain1
differentiator delay 1 (0= filter off, 1...6= delay)
text mode coefficients
SVM2
60 SVG2
4 SVD2
bit [5:0]
bit [8:6]
gain 2
differentiator delay 2 (0= filter off, 1...6= delay)
limiter
SVM3
100 SVLIM
0
bit [6:0]
bit [8:5]
limit value
not used, set to “0”
delay and coring
SVM4
bit [3:0]
adjustable delay, in 1/2 display clock steps,
7 SVDEL
(value 5 : delay of SVMOUT is the same as for
RGBOUT
bit [7:4]
bit [8]
coring value
not used, set to “0”
0 SVCOR
Display Controls
h’4a
h’46
h’42
9
9
9
w v
w v
w v
cutoff Red
cutoff Green
cutoff Blue
0 CR
0 CG
0 CB
Tube- and Picture-Measurements
h’7b
h’6b
h’7f
9
9
9
8
w v
w v
w v
w/r
picture measurement start line
bit [8:0] (TML+9)..511 first line of picture measurement
PMST
23
picture measurement stop line
bit [8:0] (PMST+1)..511 last line of picture measurement
PMSO
308
tube measurement line
TML
15
bit [8:0]
0..511 start line for tube measurement
h’25
tube and picture measurement control
0 TPM
TMEN
bit [0]
bit [1]
0/1
0/1
disable/enable tube measurement
80/40 kHz bandwidth for
PMBW
picture measurement
bit [2]
bit [3]
0/1
disable/enable picture measurement
(writing a ’1’ starts one measurement
cycle)
large/small picture measurement window,
will be disabled from bit[3] in address h’32
measure / offset check for adc
reserved
PMEN
0/1
0/1
PMWIN
OFSEN
bit [4]
bit [7:5]
h’13
16
w/r
white drive measurement control
WDM
bit [9:0]
0..1023 RGB values for white drive beam current
512 WDRV
measurement
bit [10]
bit [11]
reserved
0/1
RGB values for white drive beam current
measurement disabled/enabled
0 EWDM
Micronas
37
MICRONAS [ MICRONAS ]
