Description

The CXD2951GA-2 is a dedicated single chip LSI for the GPS (Global Positioning System), satellite based location measurement system. This LSI enables the configuration of a single chip system providing a cost-effective, low-power solution.

Specifications and features

• 12-channel GPS receiver capable of simultaneously receiving 12 satellites
• Reception frequency: 1575.42MHz (L1 band, CA code)
• Reference clock (TCXO) frequency: 18.414MHz (GPS, Sony standard), The unique frequency of major applications is available, such as GSM and W-CDMA. (optional)
13.000MHz (GSM), 14.400MHz (CDMA), 16.368MHz (GPS), 19.800MHz (PDC/CDMA), 26.000MHz (GSM)
• 32 bits RISC CPU (ARM7TDMI)
• 288K-bytes Program ROM
• 72K-bytes Data RAM
Power is supplied only to 8K-byte Data RAM while in backup mode.
• System power management
• 1-channel UART
• Internal RTC (Real Time Clock)
• 10-bit successive approximation system A/D converter, A/D data available on NMEA messages
• All-in-view positioning
• Communication format: Supports NMEA-0183
• 1 PPS output
• Supports assisted-GPS for cellular (optional)

Application Scenarios

This electronic component model, CXD2951GA-2, is commonly used in GPS (Global Positioning System) devices and satellite-based location measurement systems. It provides a cost-effective and low-power solution for positioning and navigation applications.

Comparison

Advantages: - Dedicated single chip LSI for GPS and satellite-based location measurement system - Can simultaneously receive 12 satellites - Wide reception frequency range for different applications - Equipped with a 32-bit RISC CPU and large memory capacity - Supports all-in-view positioning and communication format NMEA-0183 Disadvantages: - Optional features may require additional cost and resources