Overview
The STA8088FGTR is a highly integrated single-chip standalone GNSS receiver from STMicroelectronics, belonging to the Teseo II family of products. This device is designed to support multiple satellite navigation systems, including GPS, Galileo, GLONASS, BeiDou, and QZSS. It is backward compatible with previous models, facilitating easy migration for customers. The STA8088FGTR features a complete GNSS firmware that handles all GNSS operations, including tracking, acquisition, navigation, and data output, without the need for external memories.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency | 1.575 GHz |
| Supported Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Tracking Channels | 48 |
| Fast Acquisition Channels | 2 |
| Indoor Sensitivity | -162 dBm (tracking mode) |
| Time To First Fix (TTFF) | < 1 s (Hot start), 30 s (Cold start) |
| Microcontroller | High performance ARM946 MCU (up to 196 MHz) |
| Embedded SRAM | 256 Kbyte |
| In-package Flash Memory | 16 Mbits SQI Flash |
| Real Time Clock (RTC) | Yes |
| Watch-dog Timer | 32-bit |
| UARTs | 3 |
| I2C Master Interface | 1 |
| Synchronous Serial Port (SSP) | 1 (Motorola-SPI supported) |
| USB | USB2.0 full speed (12 MHz) with integrated physical layer transceiver |
| Controller Area Network (CAN) | 2 channels |
| ADC | 2 channels (10 bits) |
| Operating Temperature | -40°C to +85°C |
| Package | VFQFPN56 (7 x 7 x 1.0 mm) 0.4 mm pitch |
Key Features
- Single die standalone receiver embedding RF Front-End and low noise amplifier
- Pin to pin compatible with STA8088FG, enabling fast customer application migration
- Support for ST-DRAW (Dead Reckoning Automotive Way) firmware (not applicable for STA8088FGTR specifically, but relevant for the family)
- High performance ARM946 MCU up to 196 MHz
- In-package SQI Flash Memory (16 Mbits) and 256 Kbyte embedded SRAM
- Real Time Clock (RTC) circuit and 32-bit Watch-dog timer
- Multiple communication interfaces: 3 UARTs, 1 I2C master interface, 1 Synchronous Serial Port (SSP), USB2.0 full speed, and 2 CAN channels
- 2 channels of 10-bit ADC
- Operating voltage ranges: Main voltage regulator (VINL): 1.8 V ± 5%, Backup voltage (VINB): 1.6 V to 4.3 V, Digital voltage (VDD): 1.0 V to 1.32 V, RF core voltage (VCC): 1.2 V ± 10%, IO Ring Voltage (VddIO): 1.8 V ± 5% or 3.3 V ± 10%
Applications
The STA8088FGTR is designed for various positioning system applications, particularly in the automotive sector. It is suitable for use in:
- Vehicle navigation systems
- Telematics and fleet management systems
- Automotive infotainment systems
- Emergency call systems (eCall)
- Other applications requiring precise positioning and navigation
Q & A
- What constellations does the STA8088FGTR support?
The STA8088FGTR supports GPS, Galileo, GLONASS, BeiDou, and QZSS constellations.
- What is the indoor sensitivity of the STA8088FGTR?
The indoor sensitivity is -162 dBm in tracking mode.
- What is the Time To First Fix (TTFF) for the STA8088FGTR?
The TTFF is less than 1 second in Hot start and 30 seconds in Cold start.
- Does the STA8088FGTR have embedded memory?
Yes, it has 256 Kbyte embedded SRAM and 16 Mbits in-package SQI Flash Memory.
- What communication interfaces does the STA8088FGTR support?
The device supports 3 UARTs, 1 I2C master interface, 1 Synchronous Serial Port (SSP), USB2.0 full speed, and 2 CAN channels.
- What is the operating temperature range of the STA8088FGTR?
The operating temperature range is -40°C to +85°C.
- What package type is the STA8088FGTR available in?
The device is available in a VFQFPN56 package (7 x 7 x 1.0 mm) with a 0.4 mm pitch.
- Is the STA8088FGTR backward compatible with previous models?
Yes, it is pin to pin compatible with the STA8088FG, facilitating easy customer application migration.
- Does the STA8088FGTR support dead reckoning firmware?
The STA8088FGTR itself does not specifically support ST-DRAW, but this feature is available in other variants of the Teseo family.
- What are the typical applications of the STA8088FGTR?
The device is typically used in vehicle navigation systems, telematics, automotive infotainment systems, and emergency call systems.
