2004 Mar 16
171
Philips Semiconductors
Product specification
PC-CODEC
SAA7108E; SAA7109E
18.2.4.5
Subaddress 5AH
Table 186
Vertical offset for slicer; slicer set 5AH and 5BH
18.2.4.6
Subaddress 5BH
Table 187
Field offset, and MSBs for horizontal and vertical offsets; slicer set 5BH[7:6]
See Sections 18.2.4.4 and 18.2.4.5 for HOFF[10:8] 5BH[2:0] and VOFF8[5BH[4]].
18.2.4.7
Subaddress 5DH
Table 188
Header and data identification (DID; ITU 656) code control; slicer set 5DH[7:0]
18.2.4.8
Subaddress 5EH
Table 189
Sliced data identification (SDID) code; slicer set 5EH[5:0]
VERTICAL OFFSET
CONTROL BIT 5BH[4]
VOFF8
CONTROL BITS 5AH[7:0]
VOFF[7:0]
Minimum value 0
Maximum value 312
Value for 50 Hz 625 lines input
Value for 60 Hz 525 lines input
0
1
0
0
00H
38H
03H
06H
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
7
field offset
FOFF
0
no modification of internal field indicator (default for 50 Hz
625 lines input sources)
invert field indicator (default for 60 Hz 525 lines input sources)
let data unchanged (default)
convert 00H and FFH data bytes into 03H and FCH
1
0
1
6
recode
RECODE
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
7
field ID and V-blank selection
for text output (F and V
reference selection)
FVREF
0
1
F and V output of slicer is LCR table dependent
F and V output is taken from decoder real time signals
EVEN_ITU and VBLNK_ITU
00 0000
ANC header framing
; see Fig.38 and Table 50
11 1110 DID[5:0] = 3EH SAV/EAV framing, with FVREF = 1
11 1111 DID[5:0] = 3FH SAV/EAV framing, with FVREF = 0
5 to 0
default; DID[5:0] = 00H
special cases of DID
programming
DID[5:0]
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
5 to 0 SDID codes
SDID[5:0]
00H
default