Analog Devices ADSP-BF506F Hardware Reference Manual page 38

Contents
Unique Information for the ADSP-BF50x Processor .................. 19-76
PARALLEL PERIPHERAL INTERFACE
Specific Information for the ADSP-BF50x ................................... 20-1
Overview .................................................................................... 20-2
Features ...................................................................................... 20-2
Interface Overview ..................................................................... 20-3
Description of Operation ............................................................ 20-4
Functional Description ............................................................... 20-5
ITU-R 656 Modes ................................................................ 20-5
ITU-R 656 Background .................................................... 20-5
ITU-R 656 Input Modes .................................................. 20-9
Entire Field .................................................................. 20-9
Active Video Only ...................................................... 20-10
Vertical Blanking Interval (VBI) Only ......................... 20-10
ITU-R 656 Output Mode ............................................... 20-11
Frame Synchronization in ITU-R 656 Modes .................. 20-11
General-Purpose PPI Modes ................................................ 20-12
Data Input (RX) Modes .................................................. 20-14
No Frame Syncs .......................................................... 20-15
1, 2, or 3 External Frame Syncs ................................... 20-15
2 or 3 Internal Frame Syncs ........................................ 20-16
xxxviii ADSP-BF50x Blackfin Processor Hardware Reference