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BCM2121 Datasheet

  • BCM2121

  • GPRS/GSM SINGLE CHIP BASEBAND PROCESSOR

  • 131.19KB

  • 2頁(yè)

  • ETC

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BCM2121
GPRS/GSM SINGLE-CHIP BASEBAND PROCESSOR
FEATURES
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Single 200-pin FBGA device (13 mm
13 mm)
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GSM voice handset capabilities: FR/EFR/AMR/HR
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Data capability (one to five slots, up to four RX/4 TX slots)
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GPRS (multislot Class 10) up to 84.4 Kbps
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HSCSD (multislot Class 10) up to 57.6 Kbps
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GSM single slot up to 14.4 Kbps
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Multivoltage SIM, PCMCIA, and IrDA compliant interfaces
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GSM850, E-GSM900, GSM1800, and GSM1900 bands
SUMMARY OF BENEFITS
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Comprehensive GPRS/GSM handset software
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Layer 2/3 and user interface software
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For bar-type and flip-type GPRS/GSM handsets
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Multiple color LCD panels (black and white to 65K color)
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Polyphonic ringer interface
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Multicolored LED notifications/backlight
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Type-approved Phase 2+ multiband protocol stack
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Fully functional GSM handset user interface
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Foreign language fonts, including Chinese
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Startup animations, songs, games, and ring tones
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Unicode SMS and full EMS messaging
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SIM Application Toolkit (SATK)
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Fully integrated Layer 1, including all drivers
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AT commands (7.05 and 7.07)
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Extremely low-power design: 3V I/O and 2V core
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Three UART serial ports for data/fax/testing
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Flexible RF transceiver control interface:
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Integrated PA controller
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APC DAC with ramping RAM
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Support straight or multiplexed I and Q
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Schedule-based programmable serial control
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Power/cost-flexible audio circuitry
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Noise suppression and echo cancellation for speakerphone and
car phone environments
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Sidetone/microphone amplification control
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High-output speaker driver
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Flexible clock rates for processors (0 to 52 MHz)
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Phase 2+ supplemental services
Error correction: Radio Link Protocol (RLP)
Compression: IP header for GPRS and V.42bis in all modes
Complete development system available
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Real-time clock and alarm
GPRS/GSM Handset Terminal Using BCM2121
BCM2121
Protocol Processing,
Man-Machine
Interface
(ARM RISC)
Data
Terminal
Equipment
Keypad
SIM
Display 2
Flash
SRAM
Display 1
Physical Layer
Processing,
Speech CODEC,
Baseband CODEC
(Oak DSP)
RF
Transceiver

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