Overview
The STA8089FG is a highly integrated single-chip standalone GNSS receiver developed by STMicroelectronics. It belongs to the Teseo III family of products and is designed for positioning system applications. This device supports multiple satellite navigation systems, including GPS, Galileo, GLONASS, BeiDou, and QZSS. The STA8089FG is backward compatible with the STA8088FG, facilitating easy migration for customers. It 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 |
|---|---|
| No. of Channels | 48 tracking channels, 2 fast acquisition channels |
| Satellite Systems | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Indoor Sensitivity | -162 dBm (tracking mode) |
| Time to First Fix (TTFF) | < 1 s in Hot start, 30 s in Cold Start |
| MCU | High performance ARM946 MCU (up to 196 MHz) |
| Embedded Memory | 256 Kbyte SRAM, 16 Mbits SQI Flash Memory |
| Interfaces | 3 UARTs, 1 I2C master interface, 1 SSP (Motorola-SPI supported), USB2.0 full speed, 2 CAN, 2 channels ADC (10 bits) |
| Operating Voltage | 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 multiple satellite navigation systems.
- ST-DRAW (Dead Reckoning Automotive Way) supported for the STA8089FGBD variant.
- Pin to pin compatible with STA8088FG for easy 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.
- Embedded SRAM and SQI Flash Memory for efficient data handling.
- Real Time Clock (RTC) circuit and 32-bit Watch-dog timer for robust timing and monitoring.
- Multiple interfaces including UARTs, I2C, SSP, USB2.0, CAN, and ADC channels.
Applications
The STA8089FG is designed for various positioning system applications, particularly in the automotive sector. It is suitable for use in:
- Vehicle navigation systems
- Automotive telematics
- Fleet management systems
- Emergency call systems (eCall)
- Other applications requiring precise GNSS positioning
Q & A
- What satellite navigation systems does the STA8089FG support?
The STA8089FG supports GPS, Galileo, GLONASS, BeiDou, and QZSS 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 in Hot and Cold Start modes?
Less than 1 second in Hot start and 30 seconds in Cold Start.
- What type of MCU is used in the STA8089FG?
A high performance ARM946 MCU with a clock speed of up to 196 MHz.
- What kind of memory does the STA8089FG have?
256 Kbyte SRAM and 16 Mbits SQI Flash Memory.
- What interfaces are available on the STA8089FG?
3 UARTs, 1 I2C master interface, 1 SSP (Motorola-SPI supported), USB2.0 full speed, 2 CAN, and 2 channels ADC (10 bits).
- What is the operating temperature range of the STA8089FG?
-40°C to +85°C.
- What is the package type and dimensions of the STA8089FG?
VFQFPN56 (7 x 7 x 1.0 mm) with a 0.4 mm pitch.
- Is the STA8089FG backward compatible with other models?
Yes, it is pin to pin compatible with the STA8088FG.
- Does the STA8089FG support dead reckoning?
Yes, the STA8089FGBD variant supports ST-DRAW (Dead Reckoning Automotive Way).
