Broadcom BCM7405 - Figure 1-8: Video Display Engine Block Diagram

2/24/2008 9T6WP
Preliminary Hardware Data Module BCM7405
06/29/07 Functional Description
Broadcom Corporation
Document 7405-1HDM00-R Video and Graphics Display Page 1-39
VIDEO (BROADCOM VIDEO NETWORK) SUBBLOCK DESCRIPTION
The BVN is a modular architecture that has been developed for the BCM7405. It is designed to allow the maximum flexibility
to the end user in terms of allocating the available resources of the chip. Figure 1-8 illustrates the basic design of the BVN
structure.
Figure 1-8: Video Display Engine Block Diagram
M0
Crossbar Crossbar
MPEG Feeder. Accepts 4:2:0, 4:2:2 data, supplies 4:2:2 data
Video Feeder. Accepts 4:2:2 data, supplies 4:2:2 data
Graphics Feeder. Accepts ARGB, CLUT, or
4:4:4 data, supplies AYUV4444 data
Capture Block. Accepts 4:2:2 data
Motion Adaptive Deinterlace with Reverse 3:2 Pulldown
M1
V0
V1
V2
V3
ITU656
Null
Letter Box
Detect
HD Scaler
HD Scaler
SD Scaler
SD Scaler
5 Feedthroughs
C0
C1
C2
C3
CRC
Compositor
Compositor
VEC
6 DACs
DVI
ITU656
G0
G1
Upscaler
Upscaler
M C
V G
MAD-IT
to RFM
Null
DNR+DCR
MAD-IT
FGT
MPEG
Feeder
Video
Feeder
Capture
Block
Graphics
Feeder