STA2065N2

The STA2065N2 by STMicroelectronics pioneers ultra-low-power design in Embedded - Microcontrollers - Application Specific, specifically developed for energy harvesting applications. This application-specific microcontroller operates down to 0.8V supply voltage, enabling battery-less IoT deployments with multi-year operation.Tailored for GPS scenarios, the device includes nanowatt-range wake-up receivers. The energy-aware architecture achieves 98% duty cycle reduction through predictive sleep scheduling.Built around ARM11® technology, the CPU features subthreshold operation modes. The event-driven architecture consumes just 12 A/MHz during active processing.As part of the Cartesio™ family, this microcontroller shares energy optimization tools with other members. The consistent power management API simplifies application development.The 8K x 32 memory implements ferroelectric retention for zero-power sleep. The memory controller includes energy-proportional access modes that scale with workload.Featuring AC97, CAN, I²C, MSP, MMC/SD, SPDIF, SSP, UART, USB connectivity, the device includes sub-1GHz RF frontends. Each communication peripheral implements adaptive impedance matching for energy-optimized transmission.With 160 ports, the GPIO subsystem features piezoelectric driver circuits. Configurable charge pumps enable direct energy harvesting from mechanical vibrations.Operating from 1.8V ~ 3.3V sources, the power management unit starts at 300mV input. The integrated maximum power point tracker optimizes energy extraction from solar cells.Rated for -40°C ~ 85°C operation, the device uses zero-leakage transistors. The package design minimizes thermal gradients that could affect energy harvesting efficiency.The Surface Mount configuration supports flexible PCB installations. The ultra-thin package enables integration into wearable form factors.The 472-TFBGA option features transparent lids for solar cell integration. The package material selection maximizes light transmission to underlying photovoltaic layers.Available in 372+100-TFBGA (16x16) format, each unit is tested with actual energy harvesting sources. Production includes verification of cold-start capability.