Features
 STMicroelectronics® positioning receiver with
48 tracking channels and 2 fast acquisition
channels supporting GPS, GLONASS, BeiDou
and QZSS systems
 Single die standalone receiver embedding RF
Front-End and low noise amplifier
 -163 dBm tracking sensitivity
 Fast TTFF < 1 s in Hot start and 30 s in Cold
Start
 High performance ARM946 MCU (upto
196 MHz)
 256 Kbyte embedded SRAM
 8 free running timers/ counters (32 bit)
 Real Time Clock (RTC) circuit
 32-bit Watch-dog timer
 3 UARTs
 1 I2C master interface
 1 Synchronous Serial Port (SSP, Motorola-SPI
supported)
 Power Management Unit (PMU) embedding
switching regulator
 Operating condition:
– Main voltage regulator (VINL ): 1.6 V to
4.3 V
– 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:
– WLCSP77 (3.861 x 3.843 x 0.6 mm) 0.4
pitch
 Packing in Tape and Reel
 Ambient temperature range: -40/ +85 °C

Description
STA8090WGR belongs to Teseo III family products.
STA8090WGR is a single die standalone positioning receiver which embeds the new ST GNSS positioning engine capable of receiving signals from multiple satellite navigation systems, including GPS, Glonass, BeiDou QZSS.
The minimum BOM and small WL-CSP package make STA8090WGR the ideal solution for low-cost and small footprint products such as
hand-held computers, cameras, data loggers, and sports accessories.
The device is offered with a complete GNSS firmware which performs all GNSS operations including tracking, acquisition, navigation and data output.