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BCM7038
(R)
DUAL HD DIGITAL VIDEO SYSTEM-ON-CHIP SOLUTION FOR CABLE, SATELLITE AND DTV
FEATURES * Two Complete HD/SD Video/Audio Channels
- Quad video scalers Multi-frame Per Pixel Motion Adaptive De-interlacer Circuit * - Reverse 3:2 pull-down with automatic scene edit detection * PEPTM Picture Enhancement Processing for DTV
SUMMARY OF BENEFITS * Dual video/audio channels allow dual TV support, with
independent PIP support on main and secondary
* On-chip multi-frame de-interlacing delivers superior scaling
and display quality for today's digital display devices
* PEPTM provides advanced video signal processing for in-thebox DTV solutions
* * * * * * * * * * * * * * * * *
3D Y/C Comb Separation Circuit for Analog Video Decode Triple PVR with Copy Protection and Trick Mode Support Dual Channel SATA Controller Dual Channel USB 2.0 Controller Six On-chip Video DACs HDMI/DVI MAC and PHY RF Modulation with BTSC Encoder SPDIF Dual I2S Dual Flexible Audio Interfaces On-chip IF Demodulation Circuit On-chip BTSC Decoder 10/100 Ethernet MAC and PHY 400 MHz 64-bit DDR Interface On-chip 300 MHz 64-bit CPU HD Digital Output Port for DTV Solutions HD Input Port for DTV Solutions
* On-chip 3D comb filter delivers superior analog video capture
quality
* Triple PVR with dual USB 2.0 and dual SATA provide for * * * *
flexible recording options Six video DACS, on-chip DVI/HDMI MAC and PHY, and RF modulation circuit allow for all format video output Dual stereo audio DAC pairs, SPDIF, dual I2S, and dual custom audio interfaces allow for all format audio output Comprehensive system integration provides for low system cost HD Digital input and output ports combined with on-chip multi-frame motion adaptive de-interlacer and PEPTM facilitate in-the-DTV module solutions
32 KB SRAM
64 MB 64-bit DDR
UPSTRM AMP
MPEG (T1)
RF Mod DVI/ HDMI
BCM3250
Cable
MPEG (T2)
HD, SD Video
BCM3401 LNA
BCM3418 Tuner
Analog Video/Audio (IF)
BCM 7038 Advanced Video Graphics
Audio Out 10/100BASE-T USB 2.0 x2
Cable NIM MPEG (T3) 656/ I2S MPEG (T4) Data (HSX) 1394 MAC/PHY
BCM3418 Tuner
BCM3520 VSB/QAM demod
Terrestrial NIM
BCM3440 Tuner
BCM4500 Satellite demod
Satellite NIM Dual Smartcard Front Panel
Functional System Block
USB 1.1
1394
OVERVIEW
T S Inpu t
2x H S X O utput
HD Digital Out
HD Digital In
D ata T ran sp ort 65 6 In put IF IF D em od N T S C /P A L V id eo D ec ode r
2x M P E G H D /S D V ideo D e co der
6x V ideo DACs V id eo an d G ra phic s P roc es s in g (B V N ) VEC (D ua l C han nel) H D M I/D V I 65 6 R F M od
V ID E O C om p one nt S -V id eo C om p os ite
C h 3/4
B T S C D ec od er D igital A ud io A nalo g A ud io 2 x I 2 S P o rts 1 x S P D IF 2 x D ua l A ud io DACs D ual C han ne l A ud io P ro ce ss or D D R -D R A M C on troller (2 00 M H z)
M IP S R 5K f CPU (30 0 M H z)
2 D B LT er 3D C ore
V .9 0 U S B 2.0 D ua l p ort
E therne t E JT A G P eriphe ra ls EBI PCI SATA S e rial ATA
Functional Block Diagram
6 4-bit w ide D D R D R A M
T e st IC E
IR /LE D /K ey/U A R T S P I/I 2 C /G P IO /P W M S m a rtC a rd
SRAM ROM FLASH
PCI
The BCM7038 combines an IF demodulator, an NTSC/PAL video 3D Y/C comb filter enabled decoder, a transport processor, dual digital audio processors, dual high-definition (HD) MPEG video decoders, advanced 2D and 3D graphics processing, digital processing of analog video and audio, analog video digitizer and DAC functions (six DACs), stereo high-fidelity audio DACs, an MIPS R5000 class processor, and a peripheral control unit providing a variety of set-top box control functions. The BCM7038 has an MPEG-2 DVB compliant transport processor with advanced section filtering capability, a DVB descrambler, dual MPEG2 (MP@HL profile) video decoders, a BTSC audio decoder, dual Dolby AC3/MPEG layer 1 and 2 audio decoders with a SPDIF and two pairs of analog output, dual NTSC/PAL/SECAM video encoders with MacrovisionTM and analog output, and an NTSC/PAL analog video decoder with a 3D comb filter and time-base correction. The IF demodulator receives its input from a 12-bit A/D converter. The video decoder uses this same 12-bit A/D converter for CVBS inputs. A fixed 54-MHz crystal clock is used for the highest possible fidelity clock in the ADC.
In addition, the BCM7038 includes Broadcom's advanced 2D and 3D graphics processing, offering true studio quality text and graphics with extremely efficient use of memory bandwidth. The BCM7038 supports up to three simultaneous records and playbacks of digital video. The BCM7038 also incorporates a complete MIPS64TMbased microprocessor subsystem, including caches with bridging to memory and a local bus. Integrated peripherals include two UARTS, three ISO7816 smart card interfaces, counter/timers, GPIO, keypad, LED, dual IR Tx/Rx, IR blaster, IR keyboard, and BSC and SPI controllers. Advanced connectivity features include two USB 2.0 ports, one USB 1.1 port, dual serial ATA ports, an Ethernet port with MAC and PHY, an HDMI interface, a DVI/HDMI MAC and PHY. Incorporated in the HD video display path is a multi-frame deinterlacer circuit. All scaling from SD to HD and HD to SD occurs in a single pass thereby allowing for a high-quality rendering. The BCM7038 is capable of displaying four video frames simultaneously.
Broadcom(R), the pulse logo, and Connecting everything(R) are trademarks of Broadcom Corporation and/ or its subsidiaries in the United States and certain other countries. All other trademarks mentioned are the property of their respective owners.
(R)
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013
(c) 2003 by BROADCOM CORPORATION. All rights reserved. 7038-PB00-R 12/29/03
Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com

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