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| BCM1161 (R) MOBILE VOIP PROCESSOR FEATURES * ARM926EJ core at 156 MHz with 8 KB I/D caches * Integrated analog voice band codec with direct microphone and high output speaker interface * Interface to external stereo DAC through I2S for MP3 music * DMA controller with four simultaneous channels SUMMARY OF BENEFITS * WLAN IP Phone Reference Design * BCM1161: VoIP processor for handheld devices * BCM4318E: Single chip 802.11b/g MAC, baseband and radio * VoIP Software Suite PhonexChangeTM * G.711, G.729A/AB, G.726, G.722, G.723.1, AMR, BV32 voice codecs * Adaptive jitter buffer * Echo cancellation * RTP, UDP/IP packetization * SIP call signaling * 802.11 Networking Support * Security (WPA/WPA2) * QoS (WMM) * 802.1x Authentication * Advanced Telephony and Multimedia * 3-way conference * Speakerphone * MPEG-4 video clips * JPEG/Motion JPEG Broadcom Technology Advancements * BroadRangeTM * SecureEasySetupTM * BroadVoiceTM * * * * * * * * * * * * * Key scan controller 4-bit SDIO interface to BCM4318E Wi-Fi Bluetooth interface via UART and audio PCM SDIO, IrDA, 4-bit SD/MMC interfaces USB OTG at 12 Mbps 2-Megapixel camera interface QCIF video encode and decode 2D graphics, MPEG-4 SAD, and DCT accelerators Serial or parallel LCD interface for 256 K colors at 1.8V NOR or NAND Flash support SRAM or SDRAM external memory support Direct SIM connections at both 3V and 1.8V (no LDO required) Integrated 64-tone MIDI polyringer WLAN IP Phone Reference Design Block Diagram NOR/NAND Flash LCD Controller Color Color LCD LCD SRAM/ SDRAM GPIO Keypad BCM1161 Handset Codecs USB USB 2.0 Mini Jack Headset Jack I2C SD BCM4318 SDIO Module OVERVIEW BCM1161 Mobile VoIP Processor CAMERA I/F LCD I/F SRAM/ SDRAM Controller NOR/ NAND FLASH Controller AHB 8-KB I-CACHE ARM926EJ VoIP WLAN RTOS Applications User Interface VOICEBAND ANALOG CODEC ADC Headset 8-KB D-CACHE MIC DAC Speaker BOOT ROM RTC & Sleep Timers 4 Channel ADC Auxiliary Functions Battery Charger Timers Interrupt Controller MPB USB 2.0 MMC/ SDIO (2) Keypad 12C UARTs (3) 12S Digital Audio PLL The BCM1161 VoIP processor offers a high level of system integration, performance, and features for wireless IP phone handsets. The chip architecture was designed specifically with low-power and small footprint in mind for wireless handheld applications. The BCM1161 is a highly integrated mobile VoIP processor based on an ARM9 CPU architecture and integrated analog voice band codec. The device integrates all phone peripherals such as keyscan and USB 2.0, as well as an external memory interface supporting NOR or NAND Flash and SRAM or SDRAM. Also included are interface functions and drivers to enable auxiliary components, such as microphone and speaker, to connect directly to the BCM1161 device. The BCM1161, with the BCM4318E, offers a highly optimized solution for WLAN IP phones. The BCM4318E is a single-chip 802.11b/g baseband, MAC, and radio device. This two-chip solution enables best-in-class WLAN IP phone design in terms of total component count, size, range, voice quality, and battery life. WLAN IP Phone Reference Design To accelerate the product development cycle and time to market, the BCM1161 comes complete with a reference design including schematics, layout, BOM and VoIP and 802.11 networking software. Related Devices BCM4318E BCM94318SD BCM2045 AirForceTM, OneChipTM with integrated 802.11b/g Baseband, MAC, and Radio. OneChipTM 802.11b/g SDIO Module. Single-chip BluetoothTM Baseband, MAC, and Radio. Broadcom(R), the pulse logo, Connecting everything(R), and the Connecting everything logo are among the trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries and/ or the EU. Any other trademarks or trade names mentioned are the property of their respective owners. (R) BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013 (c) 2006 by BROADCOM CORPORATION. All rights reserved. 1161-PB01-R 03/06/06 Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com |
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