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參數(shù)資料
| 型號： | I250-21FS |
| 英文描述： | i.250-21 Innovative Convergence Platform |
| 中文描述： | i.250 - 21 Innovative Convergence平臺 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 85K |
| 代理商： | I250-21FS |
Overview
Building on the success of the industry-leading
i.250 Innovative Convergence (2.5G) platform, a
silicon-to-software solution for wireless handsets,
Freescale Semiconductor* offers an enhanced
platform that provides advanced features and
applications in the Global System for Mobile
Communications (GSM)/General Packet Radio
Service (GPRS) arena. The i.250-21 Innovative
Convergence platform is designed to support
850 MHz and 900 MHz GSM, 1800 MHz digital
communication services (DCS), and 1900 MHz
personal communication services (PCS) wireless
networks. This quad-band operation allows
handsets based on the i.250 platform to work in
virtually any 2.5G GSM/GPRS wireless network
in North America, Europe and Asia.
The i.250-21 platform is flexible and scalable: It is
designed to support the high-volume production
of entry-level voice and data phones as well as
the use of higher-tier feature sets; and it provides
a seamless migration path to next-generation
technology. The i.250-21 platform offers
manufacturers a solution to build products that
are compact, cost-effective, secure, and can be
delivered to market quickly.
Power Amplifier
Module
Quad
SAW
Filter
T/R
Switch
Front-End
IC
Baseband
Processor IC
XTAL
Graphic
Display
Module
Keypad
Backlight
Alert
Headset Jack
Vibrator
Microphone
Speaker
Flash
1.8V or 3V
SIM Card
Charger
Jack
Charge Control
and
Protection IC
Power Management
and Audio Circuit IC
Battery Contacts
XTAL
i.250-21 Chipset
i.250-21
Innovative Convergence Platforms
Platform Chipset Features
DSP56631 Dual-Core Baseband Processor
> Integrates DSP56600 digital signal
processor and ARM7TDMI-S
microcontroller cores
> Includes on-chip memory, receiver
analog-to-digital converters (ADCs), a
receive (RX) and transmit (TX)
synthesizer, TX power amplifier control,
and a voice codec
MMM6022 Power Amplifier Module
> 50-ohm TX power amplifier module with
antenna switch for quad- and tri-band
GSM handset applications, functioning
over the GSM850, EGSM, DCS, and
PCS frequency bands
MC13777 Quad-Band GPRS
Front-End IC (RF Circuit)
> Designed for use in GSM/DCS and
GSM850/PCS quad-band GPRS
Class 10 cellular radios
> Receiver portion designed for use in
very low intermediate frequency (VLIF)
receivers or direct conversion receivers
(DCRs)
> Transmit portion designed for use in
direct launch transmitters and integrates
TX voltage control ocillators (VCOs)
and buffer amplifiers
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