saa7118 NXP Semiconductors, saa7118 Datasheet - Page 145

• Manufacturer Part Number: saa7118
• Description: Multistandard Video Decoder With Adaptive Comb Filter And Component Video Input
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 142: Data slicer start setup values
[1]
[2]
9397 750 15219
Product data sheet
Subaddress
(hexadecimal)
40
41 to 53
54
55 to 57
58
59
5A
5B
5C
5D
5E
5F
60
61
62
All X values must be set to logic 0.
Changes for 50 Hz/625 line systems: subaddress 5Ah = 03h and subaddress 5Bh = 03h.
11.4 Data slicer and data type control part
Register function
slicer control 1
line control register 2 to 20
line control register 21
line control register 22 to 24
programmable framing code
horizontal offset for slicer
vertical offset for slicer
field offset and MSBs for
horizontal and vertical offset
reserved
header and data identification
code control
sliced data identification code
reserved
slicer status byte 0
slicer status byte 1
slicer status byte 2
The given values force the following behavior of the SAA7118 VBI data slicer part:
•
•
•
Closed captioning data are expected at line 21 of field 1 (60 Hz/525 line system)
All other lines are processed as active video
Sliced data are framed by ITU 656 like SAV/EAV sequence (DID[5:0] = 3Eh
of SAV/EAV = 1)
Rev. 06 — 22 December 2005
Bit name
X, HAM_N, FCE, HUNT_N, X, X,
X, X
LCRn_7 to LCRn_0 (n = 2 to 20) 1 1 1 1 1 1 1 1 FF
LCR21_7 to LCR21_0
LCRn_7 to LCRn_0
(n = 22 to 24)
FC7 to FC0
HOFF7 to HOFF0
VOFF7 to VOFF0
FOFF, RECODE, X, VOFF8, X,
HOFF10 to HOFF8
X, X, X, X, X, X, X, X
FVREF, X, DID5 to DID0
X, X, SDID5 to SDID0
X, X, X, X, X, X, X, X
-, FC8V, FC7V, VPSV, PPV, CCV,
-, -
-, -, F21_N, LN8 to LN4
LN3 to LN0, DT3 to DT0
[1]
Multistandard video decoder with adaptive comb filter
Values (binary)
7 6 5 4 3 2 1 0
0 1 0 0 0 0 0 0 40
0 1 0 1 1 1 1 1 5F
1 1 1 1 1 1 1 1 FF
0 0 0 0 0 0 0 0 00
0 1 0 0 0 1 1 1 47
0 0 0 0 0 1 1 0 06
1 0 0 0 0 0 1 1 83
0 0 0 0 0 0 0 0 00
0 0 1 1 1 1 1 0 3E
0 0 0 0 0 0 0 0 00
0 0 0 0 0 0 0 0 00
read only register
read only register
read only register
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
SAA7118
Start
(hexadecimal)
[2]
[2]
145 of 170
MSB