![](http://datasheet.mmic.net.cn/220000/VDP3108_datasheet_15509337/VDP3108_26.png)
VDP 3108
ADVANCE INFORMATION
MICRONAS INTERMETALL
26
Name
Default
Function
Mode
Number
of bits
I
2
C Sub
address
34
8
w/r
standard select:
bit [2:0]
000
100
001
101
010
110
011
111
0/1
SECAM
SECAM–SVHS
PAL, NTSC compensated
PAL–SVHS, NTSC compensated–SVHS
NTSC, simple PAL
NTSC–SVHS, simple PAL–SVHS
NTSC comb filter mode
reserved
chroma polarity signed/offset-binary
reserved
bit [3]
bit [7:4]
9
STS
PRIORITY BUS – FRONTEND
23
8
w/r
priority bus overwrite register
bit [7:0]
8 bit mask, bit[x] = 1 : overwrite priority x
64
PIOV
24
8
w/r
priority bus ID register and enable
bit [2:0]
0..7
bit [4:3]
0..3
priority ID, 0 highest
pad driver strength, number of pull-down
transistors 1..4
reserved
disable/enable priority
bit [6:5]
bit [7]
0/1
0
0
1
PID
PIDD
PIDE
PRIORITY BUS – BACKEND
priority mask register, if bit[x] is set to 1 then the function is
active for the respective signal priority
75
9
w v
bit [7:0]
bit [x] 0/1:
select main/side picture
contrast/brightness/matrix
PBCT
71
9
w v
bit [7:0]
bit [x] 0/1:
select main/external (via CLUT) RGB
PBERGB
7d
9
w v
bit [7:0]
bit [x] 0/1:
disable/enable black level expander
PBBLE
79
9
w v
bit [7:0]
bit [x] 0/1:
disable/enable peaking transient
suppression when signal is switched
PBPK
53
9
w v
bit [7:0]
bit [x] 0/1:
disable/enable analog fast blank input
PBFB
DISPLAY PROCESSOR – LUMA
61
9
w v
bit [5:0]
0..63/32
main picture contrast
32
CTM
65
9
w v
bit [5:0]
0..63/32
side picture contrast
32
CTS
51
9
w v
bit [8:0]
–256..255
main picture brightness
0
BRM
55
9
w v
bit [8:0]
–256..255
side picture brightness
BRS
2a
16
w/r
bit [10:0]
bit [11]
reserved
disable/enable luma input –16
0/1
1
EY16
59
9
w v
black level expander:
bit [3:0]
bit [8:4]
0..15
0...31
tilt coefficient (k2)
amount (k1)
6
4
BTLT
BAM
5d
9
w v
black level expander:
bit [8:0]
0..511
disable expansion, threshold value
120
BTHR