ADVANCE INFORMATION
VDP 313xY
Table 2–5: I2C control and status registers of the video backend
(Registers are set to ’0’ at reset, default values are recommendations)
I2C Sub
address
Number
of bits
Mode Function
Default Name
(hex)
(hex)
Scan Velocity Modulation
5A
9
w v
video mode coefficients
SVM1
SVG1
SVD1
bit[5:0]
bit[8:6]
gain1
60
4
differentiator delay 1
(0= filter off, 1...6= delay)
52
4E
9
9
w v
w v
limiter
bit[6:0]
bit[8:5]
SVM3
limit value
100
0
SVLIM
not used, set to “0”
delay and coring
SVM4
bit[3:0]
bit[7:4]
bit[8]
adjustable delay, in 1/2 display clock steps,
7
0
SVDEL
SVCOR
coring value
not used, set to “0”
Display Controls
4A
46
42
9
9
9
w v
w v
w v
cutoff Red
cutoff Green
cutoff Blue
0
0
0
CR
CG
CB
Micronas
35