Philips Semiconductors
Preliminary specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI-data slicer and high performance scaler
SAA7114H
15.5.6 SUBADDRESSES 91H TO 93H
Table 99 X-port formats and configuration; register set A (91H[2:0]) and B (C1H[2:0])
CONTROL BITS D2 TO D0(1)
SCALER INPUT FORMAT AND CONFIGURATION FORMAT
CONTROL
FSC2(2)
FSC1(2)
FSC0
Input is YUV 4 : 2 : 2 like sampling scheme
Input is YUV 4 : 1 : 1 like sampling scheme
Chroma is provided every line, default
Chroma is provided every 2nd line
X
X
0
0
1
1
X
X
0
1
0
1
0
1
X
X
X
X
Chroma is provided every 3rd line
Chroma is provided every 4th line
Notes
1. X = don’t care.
2. FSC2 and FSC1 only to be used, if X-port input source don’t provide chroma information for every input line. X-port
input stream must contain dummy chroma bytes.
Table 100 X-port formats and configuration; register set A (91H[7:3]) and B (C1H[7:3])
X = don’t care.
CONTROL BITS D7 TO D3
SCALER INPUT FORMAT AND CONFIGURATION SOURCE
SELECTION
CONLV
HLDFV SCSRC1 SCSRC0 SCRQE
Only if XRQT[83H[2]] = 1: scaler input source reacts on
SAA7114H request
X
X
X
X
0
Scaler input source is a continuous data stream, which cannot
be interrupted (must be logic 1, if SAA7114H decoder part is
source of scaler or XRQT[83H[2]] = 0)
X
X
X
X
X
1
Scaler input source is data from decoder, data type is
provided according to Table 14
X
0
0
X
Scaler input source is YUV data from X-port
X
X
X
X
0
1
1
0
X
X
Scaler input source is raw digital CVBS from selected analog
channel, for backward compatibility only, further use is not
recommended
Scaler input source is raw digital CVBS (or 16-bit Y + UV, if no
16-bit output are active) from X-port
X
X
X
0
X
0
1
X
X
X
X
1
X
X
X
X
X
X
X
X
X
SAV/EAV code bits D6 and D5 (F and V) may change
between SAV and EAV
SAV/EAV code bits D6 and D5 (F and V) are synchronized to
scalers output line start
1
SAV/EAV code bit D5 (V) and V-gate on pin IGPV as
generated by the internal processing, see Fig.36
X
X
SAV/EAV code bit D5 (V) and V-gate are inverted
1
2000 Mar 15
118
NXP [ NXP ]
