Features
ANNA-B112 Bluetooth® Module with integrated microprocessor
nRF52832 System-on-chip
64 MHz ARM® Cortex-M4F microcontroller
64 KB SRAM
512 KB Flash
RAM mapped FIFOs using EasyDMA
2x SPI (one is accessible via pin header)
2x I2C (one is accessible via pin header)
12-bit/200 ksps ADC
2.400 - 2.4835 GHz Bluetooth® (5.0 via cordio stack, 4.2 via ArduinoBLE)
Internal antenna
Internal 32 MHz oscillator
1.8 V Operating Voltage
Syntiant® NDP120 Neural Decision Processor™ (Microprocessor)
1x Syntiant® Core 2™ ultra-low power deep neural network inference engine
1x HiFi 3 Audio DSP
1x Arm® Cortex® M0 core up to 48 MHz
Dedicated Low I
Q
High PSRR Low-Dropout regulator (TPS7A05)
1μA of typical very-low quiescent current consumption (3μA maximum)
Dedicated 48KB SRAM
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