Broadcom BCM7405 - Default Chapter; Table of Contents

2/24/2008 9T6WP
Preliminary Hardware Data Module BCM7405
06/29/07
Broadcom Corporation
Document 7405-1HDM00-R Page iii
TABLE OF CONTENTS
Document Overview.................................................................................................................................. 1-1
Overview .............................................................................................................................................. 1-2
Functional Description ............................................................................................................................. 1-3
Top-Level Overview ............................................................................................................................. 1-4
Features........................................................................................................................................ 1-5
Video Data Flow................................................................................................................................... 1-8
Overview ....................................................................................................................................... 1-8
Compressed Video Input .............................................................................................................. 1-8
Personal Video Recording ............................................................................................................ 1-9
Digital Video Decompression........................................................................................................ 1-9
ITU-R 656 Input ............................................................................................................................ 1-9
Video Processing.......................................................................................................................... 1-9
Video Encoder ............................................................................................................................ 1-10
Video DACs ................................................................................................................................ 1-10
Data Transport Processor.................................................................................................................. 1-11
Overview ..................................................................................................................................... 1-11
Features...................................................................................................................................... 1-11
Functional Overview ................................................................................................................... 1-13
Data Transport I/O Connections ................................................................................................. 1-16
Data Transport Input Bands ................................................................................................ 1-16
Throughput Data Rate ........................................................................................................ 1-16
PID Parser .......................................................................................................................... 1-17
Packet Input Buffer ............................................................................................................. 1-17
PID/Packet Substitution and Generation Module ................................................................ 1-18
Multistream CableCard Interface ........................................................................................ 1-19
Condition Access Descramblers (The Downstream Descramblers) ................................... 1-20
NDS ICAM Module .............................................................................................................. 1-20
Copy Protection .................................................................................................................. 1-20
PES Parser ......................................................................................................................... 1-21
PSI Section Filter and Processor ........................................................................................ 1-21
Memory Buffer Manager ..................................................................................................... 1-22
Interrupt Controller .............................................................................................................. 1-22
Record Audio Video Engine (RAVE) ................................................................................... 1-22