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BCM2121 Datasheet, PDF (1/2 Pages) Broadcom Corporation. – GPRS/GSM SINGLE CHIP BASEBAND PROCESSOR | |||
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BCM2121
®
GPRS/GSM SINGLE-CHIP BASEBAND PROCESSOR
FEATURES
SUMMARY OF BENEFITS
⢠Single 200-pin FBGA device (13 mm à 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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