SDA6000 Datasheet, PDF (340/380 Pages) Infineon Technologies AG – Teletext Decoder with Embedded 16-bit Controller

SDA 6000
Slicer and Acquisition
STRVBI
Send to slicer
after V-Sync
15
ACQFP0
ACQFP1
ACQFP2
Write to memory
after V-Sync
VBI
Start Line 6
Send to slicer
after V-Sync
Send to memory
after detecting a FC
(if no FC has been
detected after
FCwin went inactive)
ACQFP3
ACQFP4
ACQFP5
ACQFP6
ACQFP7
ACQFP8
ACQFP9
ACQFP10
ACQLP0
ACQLP1
ACQLP2
ACQLP3
ACQLP4
Byte 1
87
Byte 0
Empty
Field Parameters
Field Parameters
Field Parameters
Empty
Sliced WSS Data (Slicer 2)
Sliced WSS Data (Slicer 2)
Sliced WSS Data (Slicer 2)
Sliced WSS Data (Slicer 2)
Sliced WSS Data (Slicer 2)
Sliced WSS Data (Slicer 2)
Field Status Information from both Slicers
Field Status Information from both Slicers
Line Parameters for Slicer 1
Line Parameters for Slicer 1
Line Parameters for Slicer 1
Line Parameters for Slicer 1
Line Status 1 (of Line 6)
Data byte 1
Data byte 0
Data byte 3
Data byte 2
Data byte 5
Data byte 4
0
32
16 Bit
Words
Last information
for Line 6
VBI
Start Line 7
Send to slicer
after H-Sync
Send to memory
after detecting a FC
(if no FC has been
detected after
FCwin went inactive)
ACQLP5
ACQLP0
ACQLP1
ACQLP2
ACQLP3
ACQLP4
Empty
Empty
Empty
Data
Data
Data
Line Status 2 (of Line 6)
Line Parameters for Slicer 1
Line Parameters for Slicer 1
Line Parameters for Slicer 1
Line Parameters for Slicer 1
Line Status 1 (of Line 7)
Empty
Empty
Empty
Data
Data
Data
and so on
Figure 12-2 VBI Buffer: General Structure
UED11192
12.5
Register Description
The acquisition interface has only two SFR Registers. The line and field parameters are
stored in the RAM (RAM Registers). They have to be initialized by software before
starting the acquisition.
Users Manual
12 - 9
2000-06-15