BCM35421 Broadcom Corp., BCM35421 Datasheet
BCM35421
Manufacturer Part Number
BCM35421
Description
Frc Panel Processor
Manufacturer
Broadcom Corp.
Datasheet
1.BCM35421.pdf
(2 pages)
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Advanced 100/120 Hz, Full HD 1080p Frame Rate Converter
(FRC) System-On-a-Chip (SoC)
Significantly reduces LCD motion blur and film judder
Automatically detects film-based content and provides special
algorithms for dejuddering
Highly programmable/high-performance architecture based on
Broadcom’s mediaDSP
Low delay (maximum of 2.5 input frame end-to-end delay)
Converts 50/60 Hz, Full HD 1080p input to 100/120 Hz, Full HD
1080p output for LCD TVs and panel electronics
Dual LVDS pixel input interface (accepts both film and video data)
Quad LVDS/high-speed LVDS output interface
• Optional dual/quad high-speed LVDS output interface support
• Single- or dual-frame mode support (current/previous frame
32-bit wide GDDR3 memory interface to a single RAM
Application Programming Interface (API) supported over
I
interface
• Supports several FRC mode and picture quality settings, enabling
PC-based LCD Tuning Environment (LTE) GUI tool for tuning,
testing, debugging, evaluation, and demonstrations
2
C-compatible Broadcom Serial Control (BSC) hardware
outputs) for BOM cost savings
FRC type/strength adjustments based on customer preferences and
specific applications (API use is optional.)
TV Main Board
DTV SoC
DRAM
BCM35421 Located in the Panel
F E A T U R E S
®
60 Hz
engine
®
BCM35421
Full HD TV System (1080p) Block Diagrams
DRAM
FRC PANEL PROCESSOR
Panel Board
120 Hz
LCD Panel
120 Hz
BCM35421
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Brief
Digital TVs
LCD panel electronics
Excellent picture quality using innovative FRC algorithms.
Highly programmable and flexible
• Continual picture quality improvements
• Custom tuning for product differentiation and unique customer
System BOM cost savings
• Only requires one external RAM component
• No external microcontroller required
• High-speed LVDS dual-frame output mode to eliminate TCON
• Ideal for integration into LCD panels to reduce connectors and
Low video delay to preserve video/audio synchronization in home
stereo systems
Compatible with all DTV SoCs
Additional features and combined picture tuning when used in
conjunction with Broadcom’s DTV SoCs
Broadcom’s expertise in DTV and FRC yields PCB reference
designs optimized for performance, cost, and time-to-market.
Customer Application Ready Design (CARD) – Complete 120 Hz
turnkey software/hardware system solutions with Broadcom
DTV SoCs provide fast time-to-market.
algorithms
memories, enable lower-cost TCON ICs, and reduce interface
connections
cables
S U M M A R Y O F B E N E F I T S
DTV SoC
DRAM
BCM35421 Located on the TV Motherboard
TV Main Board
A P P L I C A T I O N S
60 Hz
BCM35421
DRAM
120 Hz
Panel Board
LCD Panel
120 Hz
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BCM35421 Summary of contents
Page 1
... algorithms memories, enable lower-cost TCON ICs, and reduce interface connections cables Main Board 60 Hz 120 Hz DTV SoC BCM35421 DRAM DRAM BCM35421 Located on the TV Motherboard Panel Board 120 Hz LCD Panel ...
Page 2
... Hz frames. Spread-spectrum LVDS input signals are supported, as specified. The BCM35421’s quad LVDS output ports connect directly to the 1080p LVDS input ports of a 100/120 Hz LCD panel. The BCM35421 supports Mode 1 and Mode 2 panel data format types and spread-spectrum LVDS outputs. Optionally, the BCM35421 supports a faster, specially formatted high-speed LVDS output interface that permits output frames (current and previous output in one 100/120 Hz frame window ...