saa6752hs NXP Semiconductors, saa6752hs Datasheet - Page 44

• Manufacturer Part Number: saa6752hs
• Description: Mpeg-2 Video And Mpeg-audio/ac-3 Audio Encoder With Multiplexer
• Manufacturer: NXP Semiconductors

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Table 18 I
ADR
HEX
50
51
52
53
54
55
I, E, P,
S
I, E, P,
S
I, E, P,
S
I, E, P,
S
I, E, P,
S
I, E, P,
S
2
M
C-bus video front-end filters static/dynamic settings
noise pre-filter
off/on
noise pre-filter
coefficients
noise pre-filter
thresholds
horizontal filter
off/on
horizontal filter
coefficients
horizontal filter
scaling factor
COMMAND
NAME
R/W 1 byte
R/W 4 bytes
R/W 3 bytes
R/W 1 byte
R/W 16 bytes
R/W 1 byte (4 bits)
R/W
SIZE/POSITION
bit[1:0] = 00
bit[1:0] = 01
bit[1:0] = 10
bit 0 = 0
bit 0 = 1
off
median filter
average filter
4
3
off
on
array of word (8
0 to 15
PARAMETER/RANGE
6 bits; bits 0 to 5 valid
6 bits; bits 0 to 5 valid
10 bits)
DEFAULT
off
33H, 20H,
16H, 0DH
10, 15, 20 defines the threshold coefficients for the
off
first word
= 256, the
others = 0
8
enables or disables noise pre-filter and selects
the mode for this filter
defines the filter coefficients for the noise
pre-filter
median filter
enables or disables the horizontal filter by
bypassing
Defines the coefficients for the horizontal filter;
the default applies to D1 mode only. When
other subsampling modes are selected the
SAA6752HS automatically overwrites the
horizontal filter coefficients with the
appropriate parameters.
Defines the scaling factor for the horizontal
filter; the default applies to D1 mode only.
When other subsampling modes are selected
the SAA6752HS automatically overwrites the
horizontal filter scaling parameter with the
appropriate parameter.
DESCRIPTION