Philips Semiconductors
Preliminary specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI-data slicer and high performance scaler
SAA7114H
15.4.5 SUBADDRESS 5AH
Table 74 Vertical offset for slicer; slicer set 5AH and 5BH
CONTROL BIT D[4]5BH[4]
VOFF8
CONTROL BITS D[7:0]5AH[7:0]
VOFF[7:0]
VERTICAL OFFSET
Minimum value 0
0
1
0
0
00H
38H
03H
06H
Maximum value 312
Value for 50 Hz 625 lines input
Value for 60 Hz 525 lines input
15.4.6 SUBADDRESS 5BH
Table 75 Field offset, and MSBs for horizontal and vertical offsets; slicer set 5BH[7:6]
See Sections 15.4.4 and 15.4.5 for HOFF[10:8]5BH[2:0] and VOFF8[5BH[4]].
BIT DESCRIPTION SYMBOL VALUE
FUNCTION
D7 field offset
FOFF
no modification of internal field indicator (default for 50 Hz 625 lines
input sources)
0
1
0
1
invert field indicator (default for 60 Hz 525 lines input sources)
let data unchanged (default)
D6 recode
RECODE
convert 00H and FFH data bytes into 03H and FCH
15.4.7 SUBADDRESS 5DH
Table 76 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
for text output (F and V
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_CCIR and VBLNK_CCIR
reference selection)
D[5:0] default; DID[5:0] = 00H
DID[5:0] 00 0000 ANC header framing; see Fig.30 and Table 20
11 1110 DID[5:0] = 3EH SAV/EAV framing, with FVREF = 1
11 1111 DID[5:0] = 3FH SAV/EAV framing, with FVREF = 0
special cases of DID
programming
15.4.8 SUBADDRESS 5EH
Table 77 Sliced data identification (SDID) code; slicer set 5EH[5:0]
BIT DESCRIPTION SYMBOL VALUE
D[5:0] SDID codes SDID[5:0] 00H
FUNCTION
default
2000 Mar 15
109
NXP [ NXP ]
