Overview
The STA8090WG is a highly integrated GPS/Galileo/Glonass/QZSS receiver developed by STMicroelectronics. It belongs to the Teseo III family of products and is designed as a single die standalone positioning receiver. This device embeds the new ST GNSS positioning engine, enabling it to receive signals from multiple satellite navigation systems, including GPS, Galileo, Glonass, BeiDou, and QZSS. The STA8090WG is optimized for low-cost and small footprint applications, making it ideal for use in hand-held computers, cameras, data loggers, and sports accessories.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Tracking Channels | 48 |
| Number of Fast Acquisition Channels | 2 |
| Supported Satellite Systems | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Indoor Sensitivity (Tracking Mode) | -162 dBm |
| 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 |
| External Memory Interface | SQI Flash |
| Timers/Counters | 8 free running timers/counters (32 bit) |
| 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 Interface | USB2.0 full speed (12 MHz) with integrated physical layer transceiver |
| Controller Area Network (CAN) | 1 (STA8090WGBD only) |
| Main Voltage Regulator (V_INL) | 1.6 V to 4.3 V |
| Backup Voltage (V_INB) | 1.6 V to 4.3 V |
| Digital Voltage (V_DD) | 1.0 V to 1.32 V |
| RF Core Voltage (V_CC) | 1.2 V ± 10% |
| IO Ring Voltage (V_ddIO) | 1.8 V ± 5% or 3.3 V ± 10% |
| Package | WLCSP77 (3.861 x 3.843 x 0.6 mm) 0.4 pitch |
| Operating 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.
- 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.
- 256 Kbyte embedded SRAM and external SQI Flash interface.
- 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.
- Power Management Unit (PMU) with a switching regulator.
- Optional Controller Area Network (CAN) interface for certain variants.
Applications
- Hand-held computers and mobile devices.
- Cameras and other imaging devices.
- Data loggers and IoT devices.
- Sports accessories and fitness trackers.
- Automotive navigation systems.
- Industrial and consumer electronics requiring precise location services.
Q & A
- What satellite navigation systems does the STA8090WG support?
The STA8090WG supports GPS, Galileo, GLONASS, BeiDou, and QZSS systems.
- What is the indoor sensitivity of the STA8090WG?
The indoor sensitivity is -162 dBm in tracking mode.
- How fast is the Time To First Fix (TTFF) for the STA8090WG?
The TTFF is less than 1 second in Hot Start and 30 seconds in Cold Start.
- What type of microcontroller is used in the STA8090WG?
The device uses a high performance ARM946 MCU with a clock speed of up to 196 MHz.
- What is the package type and size of the STA8090WG?
The package type is WLCSP77 with dimensions of 3.861 x 3.843 x 0.6 mm and a 0.4 pitch.
- What is the operating temperature range of the STA8090WG?
The operating temperature range is -40°C to +85°C.
- Does the STA8090WG have any external memory interface?
Yes, it has an external SQI Flash interface.
- What communication interfaces are available on the STA8090WG?
The device includes 3 UARTs, 1 I2C master interface, 1 Synchronous Serial Port (SSP), and USB2.0 full speed.
- Is the STA8090WG RoHS compliant?
Yes, the STA8090WG is RoHS compliant.
- What are some typical applications of the STA8090WG?
Typical applications include hand-held computers, cameras, data loggers, sports accessories, and automotive navigation systems.
