SI3202-G-GS

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Using integrated circuits for telecommunications is how the modern world keeps itself connected. The SI3202-G-GS is an integrated circuit providing GSM cellular communication from a digital signal processing (DSP) system. This part brings the power of reliable, digital-based cellular communication to system designs requiring connectivity over cellular network.

Overview of System Application

The SI3202-G-GS makes automating tasks using GSM easier, quicker and more cost-effective. This all-in-one part fits into a wide variety of GSM-enabled products, such as automation systems, wireless alarm systems and wireless temperature monitoring systems. Within these systems, the SI3202-G-GS behaves like a tiny computer, providing:

• GSM network access.
• Voice calls.
• Data transfers.
• Text or picture messaging.

Working Principle

The SI3202-G-GS is a single-package part with a pin count of 40 and includes the functionality of a quad-band GSM/GPRS transceiver, a baseband processor, a full-featured telephone engine, and audio interface. This part supports GSM/GPRS networks and operates in the 850 MHz (EDGE Class 12), 900 MHz (GPRS Class 12), 1800 MHz (GPRS Class 12), and 1900 MHz (GPRS Class 12) frequency bands. The radio part implements the GSM specifications for packet-switched and circuit-switched communication, with a peak data rate of 85.6 kbits/s. The baseband processor is responsible for controlling communication and implementing the transported protocols and modulation strategy. The telephone engine takes care of telephony protocol and provides a user interface for the phone control.

The SI3202-G-GS uses a powerful 16-bit Texas Instruments TMS320C54xx DSP processor. It includes an embedded ARM7 processor to minimize power loss and can process data at a rate up to 200 MIPS. It has four digital signal processor cores that are used to accelerate data processing and can run several programs or tasks simultaneously. The part also includes system memories such as RAM and Flash making it an ideal solution for parallel processing applications.

Hardware interface

The SI3202-G-GS includes an integrated, dual-mode antenna interface that supports both active and passive antenna configurations. This allows for flexible system designs and hybrid radio solutions, reducing the number of external components involved. The DSP processor also features additional I/O like I2S, SPI, and PIO, to enable the development of applications requiring a mix of standardized interfaces and highly customized user-defined protocols.

Conclusion

The SI3202-G-GS is a high performance cellular radio for GSM systems. With an integrated, dual-mode antenna interface, flexible I/O support and a powerful, low power DSP, this part is ideal for a wide range of system designs requiring connectivity over the cellular network. This integrated circuit provides great flexibility, performance and cost-saving advantages compared to conventional solutions.

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