Overview
The STA8090WGR is a ROM-based GPS/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 is capable of receiving signals from multiple satellite navigation systems, including GPS, GLONASS, BeiDou, and QZSS. The STA8090WGR is optimized for low-cost and small footprint applications, making it ideal for use in hand-held computers, cameras, data loggers, and sports accessories. It comes with a complete GNSS firmware that handles all GNSS operations, including tracking, acquisition, navigation, and data output.
Key Specifications
| Parameter | Specification |
|---|---|
| Tracking Channels | 48 |
| Fast Acquisition Channels | 2 |
| Supported Systems | GPS, GLONASS, BeiDou, QZSS |
| Tracking Sensitivity | -163 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 |
| 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) |
| Power Management Unit (PMU) | Yes, with switching regulator |
| 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 |
| Ambient Temperature Range | -40°C to +85°C |
Key Features
- Single die standalone positioning receiver with embedded RF Front-End and low noise amplifier.
- Supports multiple satellite navigation systems: GPS, GLONASS, BeiDou, and QZSS.
- High tracking sensitivity of -163 dBm.
- Fast Time To First Fix (TTFF): < 1 s in Hot Start and 30 s in Cold Start.
- High performance ARM946 MCU with up to 196 MHz clock speed.
- 256 Kbyte embedded SRAM.
- 8 free running timers/counters (32 bit) and a 32-bit Watch-dog timer.
- Real Time Clock (RTC) circuit.
- Multiple communication interfaces: 3 UARTs, 1 I2C master interface, and 1 Synchronous Serial Port (SSP, Motorola-SPI supported).
- Power Management Unit (PMU) with switching regulator.
Applications
- Hand-held computers and mobile devices.
- Cameras and other imaging devices.
- Data loggers and IoT devices.
- Sports accessories and fitness trackers.
- Asset tracking and vehicle navigation systems.
- Precision agriculture and land surveying.
- Marine navigation and automotive applications.
- Industrial and military applications.
Q & A
- What is the STA8090WGR?
The STA8090WGR is a ROM-based GPS/Glonass/QZSS receiver from STMicroelectronics, designed as a single die standalone positioning receiver.
- Which satellite navigation systems does the STA8090WGR support?
The STA8090WGR supports GPS, GLONASS, BeiDou, and QZSS systems.
- What is the tracking sensitivity of the STA8090WGR?
The tracking sensitivity is -163 dBm.
- How fast is the Time To First Fix (TTFF) for the STA8090WGR?
The TTFF is less than 1 second in Hot Start and 30 seconds in Cold Start.
- What type of microcontroller does the STA8090WGR use?
The STA8090WGR uses a high performance ARM946 MCU with up to 196 MHz clock speed.
- What is the package type and size of the STA8090WGR?
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 STA8090WGR?
The operating temperature range is -40°C to +85°C.
- Does the STA8090WGR have a Power Management Unit (PMU)?
Yes, it includes a PMU with a switching regulator.
- What communication interfaces are available on the STA8090WGR?
The device features 3 UARTs, 1 I2C master interface, and 1 Synchronous Serial Port (SSP, Motorola-SPI supported).
- What are some typical applications for the STA8090WGR?
Typical applications include hand-held computers, cameras, data loggers, sports accessories, asset tracking, vehicle navigation, precision agriculture, and more.
