bcm2940 Broadcom Corp., bcm2940 Datasheet

bcm2940

Manufacturer Part Number

bcm2940

Description

Bcm2940 - Dvb-h And Dvb-t Single-chip Receiver

Manufacturer

Broadcom Corp.

Datasheet

1.BCM2940.pdf (2 pages)

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•

Multiband

•

Standards compliance

•

Low power

•

High integration

•

Excellent DVB-H Doppler performance

•

High quality tuner section

•

Wide range of interfaces

•

Package options

•

DVB-H AND DVB-T SINGLE-CHIP DIGITAL TV RECEIVER

VHF III (170 MHz – 240 MHz)

UHF IV, V (470 MHz – 862 MHz)

L-band (1400 MHz – 1700 MHz)

DVB-T (ETSI EN 300 744)

DVB-H (ETSI EN 302 304)

IEC 62002 (MBRAI)

Supports DVB-H parallel and/or consecutive streams and services

209 mW in continuous operation with significant margin over MBRAI

specifications

Between time-slice power: < 0.8 mW in DVB-H mode

RF and digital sections on a monolithic 65-nm digital CMOS die

4 Mb of on-chip MPE-FEC SRAM

PID, table ID, and IP filtering all on-chip

Integrated low-noise amplifiers

Fractional-N synthesizer supports 10 MHz – 66 MHz crystal

High linearity: MBRAI specifications exceeded by a wide margin

Noise figure of 3 dB in all bands: VHF, UHF, and L

Ultra-low phase noise: < 0.5° RMS for UHF results with SNR > 35 dB

SPI slave and master

SDIO device

8-bit asynchronous parallel port

USB 2.0 device

169-pin FBGA 8 mm × 8 mm, 0.5-mm pitch

WLBGA 5.4 mm × 5.4 mm, 0.4-mm pitch

D, max

C, UART, and JTAG for development

= 180 Hz in 8K mode, 16 QAM

F E A T U R E S

SRAM

L-band LNAs

VHF III, UHF,

ARM7

BCM2940

, GI

RF Section

™

, MPE FER < 5%

ROM

DVB-T/H

Tuner

PLLs

Block Diagram

Demodulator

DVB-T/H

Timers

BCM2940

•

GPIO

DVB-H enabled mobile handsets

DVB-T PCTV add-ons

Portable media and DVD players with digital TV

Management

Single-chip mobile TV from antenna to IP stream.

Standard 65-nm CMOS process for low bill-of-materials (BOM) cost.

Ideal for TV in mobile phones, portable media players, and notebook PCs.

Reception of up to 32 simultaneous DVB-H services allows viewing and

recording of multiple video channels while displaying data services such as

ESG, stock ticker, etc.

Allows DVB-H viewing at up to 220 Km/h in a channel at 600 MHz.

High-performance, low power, and on-chip USB 2.0 enable both encrypted

and free-to-air DVB-T reception on portable devices.

Appears as ethernet device in DVB-T mode, simplifying PCTV applications

and driver development for Windows

All DVB-T and DVB-H bands are supported.

Minimum external components:

•

Supports both single-ended RF input or differential RF input operation,

selectable by software and external components. Single-ended operation

eliminates external baluns.

No calibration is needed during production.

WLBGA package is ideal for dense cell phone PCBs and modules.

Power

Brief

No IF filters or RF tracking filters are required.

LNAs for all bands are on-chip.

No external SRAM or DRAM is needed.

Link Layer

S U M M A R Y O F B E N E F I T S

UART

SPI

A P P L I C A T I O N S

Interface

USB 2.0

Device

SDIO

Host

E, G., Cell Phone

Coprocessor

Multimedia

, Mac

OS, and Linux

BCM2820

Applications

BCM2727

Processor

Related parts for bcm2940

bcm2940 Summary of contents

Page 1

... WLBGA package is ideal for dense cell phone PCBs and modules. • • DVB-H enabled mobile handsets • DVB-T PCTV add-ons • Portable media and DVD players with digital TV Block Diagram BCM2940 GPIO Section DVB-T/H DVB-T/H Link Layer Demodulator ...

Page 2

... With on-chip demodulation, link layer processing, error correction and associated 4 Mb MPE-FEC SRAM, the BCM2940 has everything required to receive an RF signal and to output digital TV. Video and audio are sent either as IP datagrams complete MPEG-2 transport stream and can be handled over a variety of physical interfaces including SPI, SDIO, and USB 2.0. ® ...

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