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