SAA7118 Datasheet, PDF (164/169 Pages) NXP Semiconductors – Multistandard video decoder with adaptive comb filter and component video input

Philips Semiconductors
Multistandard video decoder with adaptive
comb filter and component video input
Preliminary specification
SAA7118
I²C-BUS
ADDRESS
(HEX)
MAIN FUNCTIONALITY
EXAMPLE 1 EXAMPLE 2 EXAMPLE 3 EXAMPLE 4
HEX DEC HEX DEC HEX DEC HEX DEC
Prefiltering and prescaling
A0
integer prescale (value ‘00’ not allowed)
01
A1
accumulation length for prescaler
00
A2
FIR prefilter and prescaler DC normalization 00
A4
scaler brightness control
80
A5
scaler contrast control
40
A6
scaler saturation control
40
− 01 − 02 − 02 −
− 00 − 02 − 03 −
− 00 − AA − F2 −
128 80 128 80 128 80 128
64 40 64 40 64 11 17
64 40 64 40 64 11 17
Horizontal phase scaling
A8
horizontal scaling increment for luminance
00 1024 AA 938 18 1048 34 1844
A9
04
− 03 − 04 − 07 −
AA
horizontal phase offset luminance
00
− 00 − 00 − 00 −
AC
horizontal scaling increment for
AD
chrominance
00 512 D5 469 0C 524 9A 922
02
− 01 − 02 − 03 −
AE
horizontal phase offset chrominance
00
− 00 − 00 − 00 −
Vertical scaling
B0
B1
B2
B3
B4
B8 to BF
vertical scaling increment for luminance
vertical scaling increment for chrominance
vertical scaling mode control
vertical phase offsets luminance and
chrominance (need to be used for interlace
correct scaled output)
00 1024 00 1024 55 853 66 3686
04
− 04 − 03 − 0E −
00 1024 00 1024 55 853 66 3686
04
− 04 − 03 − 0E −
00
− 00 − 00 − 01 −
start with B8 to BF at 00H, if there are no problems with
the interlaced scaled output optimize according to
Section 8.4.3.2
2001 May 30
164