CIP 3250A
ADVANCE INFORMATION
2
Table 2–10: I C-Bus operation – Device Address: 6E Hex (7 bit, R/W bit omitted, see Sec. 2.16.)
Sub-
Address
(decimal)
Label
Bit No.
(LSB = 0)
Typical
Operation
Value
Function
2
I C registers for ADC and CLAMPING
09
YUV
6
0
analog input select
0 = RGB
1 = YUV
18
19
CLPSTRT
CLPSTOP
7–0
7–0
30
50
start of clamping window
(0...255)*2 clocks after H-sync (see Fig. 2–13)
stop of clamping window
(0...255)*2 clocks after H-sync (see Fig. 2–13)
[note: – maximum window size: 64 sample clocks]
[
– minimum window size: 6 sample clocks]
09
CLMPOFS
2
0
RGB clamping offset
0 = +16 (digital)
1 = +8 (digital)
04
09
CLSEL
5
0
0
Y (luma) black level adjust at RGB-path
0 =convert Y (luma) black level from digital 16 to 32 (DIGIT 2000)
1 =Y (luma) black level at digital 16 (ITU-R 601 Standard)
SELAMP
4–3
analog gain control
0 = 1/8
1 = 1/16
2 = 1/32
09
2
SE_4_8Q
5
4
0
1
analog gain control
0 = 1/8
1 = 1/4
I C registers for MATRIX
04
MAON
matrix block
0 = matrix off (YUV input or RGB bypass)
1 = matrix on (RGB to Y(R–Y)(B–Y))
2
I C registers for CONTRAST / BRIGHTNESS / SATURATION
04
CBSON
7
1
CTBRST block
0 = bypassed ( for dig. RGB bypass only (<04>MAON=0))
1 = on
03
02
02
BRY
7–0
5–0
7,6
0
brightness correction of Y (luma) in CTBRST block
Y + (–128...127)
SATY
NOISSY
32
0
contrast multiplier of Y (luma) in CTBRST block
Y * (0...63)/32
noise shaping of Y (luma) in CTBRST block
0 = off (rounding is activated)
2 = 1 bit error diffusion
3 = 2 bit error diffusion
00
00
SATU
5–0
32
0
saturation multiplier of U (chroma) in CTBRST block
U * (0...63)/32
NOISSU
7,6
noise shaping of U (chroma) in CTBRST block
0 = off (rounding is activated)
2 = 1 bit error diffusion
3 = 2 bit error diffusion
01
01
SATV
5–0
32
0
saturation multiplier of V (chroma) in CTBRST block
V * (0...63)/32
NOISSV
7,6
noise shaping of V (chroma) in CTBRST block
0 = off (rounding is activated)
2 = 1 bit error diffusion
3 = 2 bit error diffusion
04
SMODE
6
0
saturation mode of UV (chroma) in CTBRST block
0 = internal PAL (U * 0.5, V * 0.875)
1 = external (U * 1, V * 1)
Micronas
19
MICRONAS [ MICRONAS ]
