Product ID: PT9258 (Single Chip)Send Inquiry
PT9258 is a single chip OEM GPS receiver SoC that integrates RF and Baseband in an 8 x 8 x 0.9 mm QFN package. The SoC together with few external components builds stand-alone receivers that track satellite signals, and stream out NMEA 0183 message that contains current location and time information. PT9258 OEM GPS do not rely on host processor for positioning computation.
The OEM GPS receiver accepts L1-band C/A code and A-GPS signals. System level functions such as Power-On-Reset, 3.3V to 1.2V switching regulator and low quiescent current RTC LDO are integrated in PT9258.Typical application consists of LNA and SAW filter behind antenna before feeding to the on-chip LNA input of PT9258 OEM GPS. 0.5ppm 16.369MHz TCXO as clock source is preferred for tracking of the signal.
Offered in both ROM-based PT9258R and Flash-memory-based PT9258E options; the non-volatile ROM version of OEM GPS provides standard function, while Flash version is available for firmware upgrade or add-on features. Flash version is delivered un-programmed, which is usually performed after PCB assembly and before test. ROM and Flash version has same package outline, a mode select pin differentiates the two options.
For more flexibility to the fixed ROM firmware, PT9258R OEM GPS also provides a configuration mechanism that can store one set of firmware option settings permanently to a serial EEPROM on PT9258R’s I2C bus. The OEM receiver PT9258’s easiness and flexibility of system design together with the top-notch navigation performance and low power consumption thus makes PT9258 the best candidate for location-based services.
- RF, Baseband and Memory Integrated single chip
- ROM and Flash options in same package
- Configuration-Backup Serial EEPROM (ROM version, optional)
- Integrated Switch Mode Regulator, Low Quiescent Current RTC LDO
- Serial port: UART, I2C, and SPI
- Digital I/O: GPIO, 1PPS, Rx Status LED, and Interrupt
- NMEA-0183, Ver. 3.01
- Supports SBAS: WAAS, EGNOS, MSAS, and GAGAN
- QFN 64 pin 8 x 8 x 0.9 mm package
- Pb Free and RoHS compliant
- Temperature range -40℃ to +85℃
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