SAA7118 Datasheet, PDF (140/169 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
15.6.5 SUBADDRESS 5AH
Table 86 Vertical offset for slicer; slicer set 5AH and 5BH
VERTICAL OFFSET
Minimum value 0
Maximum value 312
Value for 50 Hz 625 lines input
Value for 60 Hz 525 lines input
CONTROL BIT 5BH[4]
VOFF8
0
1
0
0
CONTROL BITS 5AH[7:0]
VOFF[7:0]
00H
38H
03H
06H
15.6.6 SUBADDRESS 5BH
Table 87 Field offset, and MSBs for horizontal and vertical offsets; slicer set 5BH[7:6]
See Sections 15.6.4 and 15.6.5 for HOFF[10:8] 5BH[2:0] and VOFF8[5BH[4]].
BIT DESCRIPTION SYMBOL VALUE
FUNCTION
D7 field offset
FOFF
0
no modification of internal field indicator (default for 50 Hz
625 lines input sources)
1
invert field indicator (default for 60 Hz 525 lines input sources)
D6 recode
RECODE
0
leave data unchanged (default)
1
convert 00H and FFH data bytes into 03H and FCH
15.6.7 SUBADDRESS 5DH
Table 88 Header and data identification (DID; ITU 656) code control; slicer set 5DH[7:0]
BIT
DESCRIPTION
SYMBOL VALUE
FUNCTION
D7 field ID and V-blank selection FVREF
for text output (F and V
reference selection)
0 F and V output of slicer is LCR table dependent
1 F and V output is taken from decoder real-time signals
EVEN_ITU and VBLNK_ITU
D[5:0] default; DID[5:0] = 00H
DID[5:0] 00 0000 ANC header framing; see Fig.37 and Table 21
special cases of DID
programming
11 1110 DID[5:0] = 3EH SAV/EAV framing, with FVREF = 1
11 1111 DID[5:0] = 3FH SAV/EAV framing, with FVREF = 0
15.6.8 SUBADDRESS 5EH
Table 89 Sliced data identification (SDID) code; slicer set 5EH[5:0]
BIT
DESCRIPTION
D[5:0] SDID codes
SYMBOL VALUE
SDID[5:0] 00H default
FUNCTION
2001 May 30
140