參數(shù)資料
型號(hào)： SAA4979H
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： Sample rate converter with embedded high quality dynamic noise reduction and expansion port
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝： 28 X 28 X 3.40 MM, PLASTIC, QFP-128
文件頁(yè)數(shù)： 22/52頁(yè)
文件大小： 224K
代理商： SAA4979H
2002 May 28
22
Philips Semiconductors
Product specification
Sample rate converter with embedded high quality
dynamic noise reduction and expansion port
SAA4979H
0109
0 to 3 min_dist_maintosub
4
pip_raster_corr
5
pip_on
6
pip_2field
7
mpip_on
0 to 7 dispvpos
0 to 7 weint_hstart
0 to 7 weint_hstop
0 to 1 weint_hstart (MSBs) write enable internal memory horizontal start (higher 2 of 10 bits)
2 to 3 weint_hstop (MSBs)
write enable internal memory horizontal stop (higher 2 of 10 bits)
4 to 5 re2_hstart (MSBs)
read enable PIP window horizontal start (higher 2 of 10 bits)
6 to 7 re2_hstop (MSBs)
read enable PIP window horizontal stop (higher 2 of 10 bits)
0 to 7 h656int_hstart
internal H reference horizontal start; 4 pixel resolution
0 to 7 h656int_hstop
internal H reference horizontal stop; 4 pixel resolution
0 to 7 ieint_hstart
input enable internal memory horizontal start (lower 8 of 10 bits)
0 to 7 ieint_hstop
input enable internal memory horizontal stop (lower 8 of 10 bits)
0 to 7 ieint_vstart
input enable internal memory vertical start (lower 8 of 10 bits)
0 to 7 ieint_vstop
input enable internal memory vertical stop (lower 8 of 10 bits)
0 to 1 ieint_hstart (MSBs)
input enable internal memory horizontal start (higher 2 of 10 bits)
2 to 3 ieint_hstop (MSBs)
input enable internal memory horizontal stop (higher 2 of 10 bits)
4
ieint_vstart (MSB)
input enable internal memory vertical start (MSB)
5
ieint_vstop (MSB)
input enable internal memory vertical stop (MSB)
6 to 7
reserved
minimum distance between main and sub channel
PIP raster correction; 0 = off, 1 = on
PIP mode; 0 = off, 1 = on
PIP 2-field mode; 0 = single field mode, 1 = 2-field mode
multi-PIP mode; 0 = off, 1 = on
vertical position of the display related to acquisition
write enable internal memory horizontal start (lower 8 of 10 bits)
write enable internal memory horizontal stop (lower 8 of 10 bits)
010A
0112
0113
0114
0116
0117
0118
0119
011A
011B
011C
Host address 0185H to 018EH (noise estimator)
0185
0 to 1 ypscale
2 to 5 compensate
6 to 7
0 to 2 gain_upbnd
3
sob_negl
4
sel_sob_negl
5 to 6 clip_offs
7
0 to 7 wanted_value
scale of prefilter coefficients: (
1
1
,
1
2
,
1
4
, bypass prefilter)
compensation value (4-bit signed)
reserved
gain of upper boundary: 0, 1, 2, 3, 4, 5, 6 and 7
neglect sum over block value if HIGH
enable of control bit sob_negl: 0 = disable, 1 = enable
clip offset: 1, 2, 4 and 8
reserved
wanted value in steps of
1
256
%, i.e. predefined number of estimates;
range: 0 to
255
256
%
lower boundary of detail counter
upper boundary of detail counter
noise measurement window horizontal start; 4 pixel resolution
noise measurement window horizontal stop; 4 pixel resolution
noise measurement window vertical start (lower 8 of 9 bits)
0186
0187
0188
0189
018A
018B
018C
0 to 7 lb_detail
0 to 7 upb_detail
0 to 7 ne_hstart
0 to 7 ne_hstop
0 to 7 ne_vstart
HOST
ADDRESS
(HEX)
BIT
NAME
DESCRIPTION
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