SAA7118 Datasheet, PDF (133/169 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
15.2.27 SUBADDRESS 1EH
Table 65 Status byte 1 video decoder; 1EH[6:0]; read only register
BIT
DESCRIPTION
I²C-BUS
CONTROL BIT
D6 status bit for locked horizontal frequency
HLCK
D5 slow time constant active in WIPA mode
SLTCA
D4 gain value for active luminance channel is limited;
maximum (top)
D3 gain value for active luminance channel is limited;
minimum (bottom)
D2 white peak loop is activated
GLIMT
GLIMB
WIPA
D[1:0] detected colour standard
DCSTD[1:0]
VALUE
0
1
0
1
0
1
0
1
0
1
00
01
10
11
FUNCTION
locked
unlocked
not active
active
not active
active
not active
active
not active
active
no colour
(black-white)
NTSC
PAL
SECAM
15.2.28 SUBADDRESS 1FH
Table 66 Status byte 2 video decoder; 1FH[7:5] and 1FH[3:0]; read only register
BIT
DESCRIPTION
I²C-BUS
CONTROL BIT
D7 status bit for interlace detection
INTL
D6 status bit for horizontal and vertical loop
HLVLN
D5 identification bit for detected field frequency
FIDT
D3 macrovision encoded colour stripe burst type 3 (4 line
version) detected
TYPE3
D2 macrovision encoded colour stripe burst detected
(any type)
COLSTR
D1 copy protected source detected according to
macrovision version up to 7.01
COPRO
D0 ready for capture (all internal loops locked)
RDCAP
VALUE
0
1
0
1
0
1
0
1
0
1
0
1
0
1
FUNCTION
non-interlaced
interlaced
both loops locked
unlocked
50 Hz
60 Hz
not active
active
not active
active
not active
active
not active
active
2001 May 30
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