Overview
The STA8089FG, produced by STMicroelectronics, is a highly integrated single-chip standalone GNSS receiver belonging to the Teseo III family of products. This device is designed for positioning system applications and supports multiple satellite navigation systems, including GPS, Galileo, GLONASS, BeiDou, and QZSS. It is backward compatible with the STA8088FG, facilitating easy migration for customers. The STA8089FG comes with 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 | Specification |
|---|---|
| Number of Tracking Channels | 48 |
| Number of Fast Acquisition Channels | 2 |
| Supported Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS |
| 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 Channels | 2 channels (10 bits) |
| 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% |
| Package | VFQFPN56 (7 x 7 x 1.0 mm) 0.4 mm pitch |
| Ambient Temperature Range | -40°C to +85°C |
Key Features
- STMicroelectronics positioning receiver with 48 tracking channels and 2 fast acquisition channels supporting GPS, Galileo, GLONASS, BeiDou, and QZSS systems.
- ST-DRAW (Dead Reckoning Automotive Way) supported for the STA8089FGBD variant.
- Pin to pin compatible with STA8088FG, enabling fast customer application migration.
- Single die standalone receiver embedding RF Front-End and low noise amplifier.
- High indoor sensitivity of -162 dBm in tracking mode.
- Fast Time to First Fix (TTFF) of less than 1 second in Hot start and 30 seconds in Cold Start.
- High performance ARM946 MCU with a clock speed of up to 196 MHz.
- Integrated 256 Kbyte SRAM and 16 Mbits SQI Flash Memory.
- Real Time Clock (RTC) circuit and 32-bit Watch-dog timer.
- Multiple communication interfaces including 3 UARTs, 1 I2C master interface, 1 Synchronous Serial Port (SSP), and USB2.0 full speed.
- 2 Controller Area Network (CAN) channels and 2 channels of 10-bit ADC.
Applications
The STA8089FG 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 GNSS positioning.
Q & A
- What constellations does the STA8089FG support?
The STA8089FG supports GPS, Galileo, GLONASS, BeiDou, and QZSS satellite navigation systems.
- What is the indoor sensitivity of the STA8089FG?
The indoor sensitivity is -162 dBm in tracking mode.
- How long does it take for the STA8089FG to achieve the first fix?
The Time to First Fix (TTFF) is less than 1 second in Hot start and 30 seconds in Cold Start.
- Is the STA8089FG backward compatible with other models?
Yes, it is backward compatible with the STA8088FG.
- What type of microcontroller does the STA8089FG use?
The STA8089FG uses a high performance ARM946 MCU with a clock speed of up to 196 MHz.
- Does the STA8089FG have integrated memory?
Yes, it has 256 Kbyte embedded SRAM and 16 Mbits SQI Flash Memory.
- What communication interfaces are available on the STA8089FG?
The device includes 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 STA8089FG?
The operating temperature range is -40°C to +85°C.
- Does the STA8089FG support dead reckoning?
Yes, the STA8089FGBD variant supports ST-DRAW (Dead Reckoning Automotive Way).
- What is the package type and dimensions of the STA8089FG?
The package type is VFQFPN56 with dimensions of 7 x 7 x 1.0 mm and a 0.4 mm pitch.
