SAB9076H Datasheet, PDF (18/32 Pages) NXP Semiconductors – Picture-In-Picture PIP controller

Philips Semiconductors
Preliminary specification
Picture-In-Picture (PIP) controller
SAB9076H
Table 5 Colour types and brightness levels
COLOUR TYPE
COLOUR
Black
Blue
Red
Magenta
Green
Cyan
Yellow
White
VALUE
0H
1H
2H
3H
4H
5H
6H
7H
4H
0%
30%
30%
30%
30%
30%
30%
60%
BRIGHTNESS LEVEL
5H
6H
10%
50%
50%
50%
50%
50%
50%
70%
30%
70%
70%
70%
70%
70%
70%
80%
7H
50%
100%
100%
100%
100%
100%
100%
100%
Table 5 indicates how I²C-bus register settings control the
colour and brightness. All colour registers are similar, they
contain one on/off bit, two brightness bits and three colour
type bits. To determine which colour is visible in the event
two or more colours being displayed on the same position,
the next priority scheme is followed.
1. Sub-select colour (SBS)
2. Sub-border colour (SB)
3. Main-select colour (MBS)
4. Main-border colour (MB)
5. Background colour (BG).
SA 15H AND SA 16H DECODER REGISTERS
The MVFILT and SVFILT bits can set the type of vertical
filtering. The MUVPOL and SUVPOL bits invert the UV
polarity of the incoming signals. The MVSPOL and
SVSPOL bits determine the active edge of the V_sync (see
Fig.7). MHSYNC and SHSYNC bits determine the timing
of the H_sync pulse (burstkey or H_sync timing). The MFPOL
and SFPOL bits can invert the field identification (ID) of the
incoming fields (see Fig.7).
SA 17H DISPLAY SETTINGS REGISTER
The FBDEL2 to FBDEL0 bits can adjust the fast blank
delay in 8 steps of ¹â„₂ a clock cycle (−8 to +7). 0H is
mid-scale. The DUVPOL bit inverts the UV polarity of the
border colours.
The DVSPOL bit determines the active edge of the V_sync
(see Fig.7). The DHSYNC bit determines the timing of the
H_sync pulse (burstkey or H_sync). The DFPOL bit can invert
the field identification of the incoming fields (see Fig.7).
SA 18H PEDESTAL SETTINGS REGISTER
The PEDESTU3 to PEDESTU0 and
PEDESTV3 to PEDESTV0 bits provide the U and V DAC
outputs an offset of −8 to +7 LSB when the FBL is
switched off. This can be used to adjust the white point of
the system.
1996 Aug 13
18