SAA7102_SAA7103_4 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet Rev. 04 — 18 January 2006 61 of 84
Philips Semiconductors
SAA7102; SAA7103
Digital video encoder
Table 86: Vertical increment register, subaddress 9Bh, bit description
Bit Symbol Description
7 to 0 YINC[7:0] with YINC[11:8] (see
Table 87) incremental fraction of the vertical
scaling engine;
Table 87: MSBs vertical and horizontal increment register, subaddress 9Ch, bit description
Bit Symbol Description
7 to 4 YINC[11:8] see
Table 86
3 to 0 XINC[11:8] see
Table 85
Table 88: Weighting factor odd register, subaddress 9Dh, bit description
Bit Symbol Description
7 to 0 YIWGTO[7:0] with YIWGTO[11:8] (see
Table 90) weighting factor for the first line
of the odd field;
Table 89: Weighting factor even, subaddress 9Eh, bit description
Bit Symbol Description
7 to 0 YIWGTE[7:0] with YIWGTE[11:8] (see
Table 90) weighting factor for the first line
of the even field;
Table 90: Weighting factor MSB register, subaddress 9Fh, bit description
Bit Symbol Description
7 to 4 YIWGTE[11:8] see
Table 89
3 to 0 YIWGTO[11:8] see
Table 88
Table 91: Vertical line skip register, subaddress A0h, bit description
Bit Symbol Access Value Description
7 to 0 YSKIP[7:0] R/W with YSKIP[11:8] (see
Table 92) vertical line skip;
defines the effectiveness of the anti-flicker filter
000h most effective
FFFh anti-flicker filter switched off
Table 92: Blank enable for NI-bypass, vertical line skip MSB register, subaddress A1h, bit
description
Legend: * = default value after reset.
Bit Symbol Access Value Description
7 BLEN R/W for non-interlaced graphics in bypass mode
0* no internal blanking
1 forced internal blanking
6 to 4 - R/W 000 must be programmed with logic 0 to ensure
compatibility to future enhancements
3 to 0 YSKIP[11:8] R/W see
Table 91
INC
number of active output lines
number of active input lines
----------------------------------------------------------------------
409
×=
IWGTO
2
--------------
204
+=
IWGTE
2
----------------------------------
=
