1 kbit EFUSE (non-erasable memory) for MAC addresses, module configuration, FlashEncryption, and Chip-ID.

16 Mbit (2MB) FLASH for code storage including hardware encryption to protect programs and data.

520 Kbyte SRAM for data and instruction.

448 Kbyte ROM for booting and core functions.

ATSAMD21G18A-U 48-pin QFN pinout u-blox NINA-W102 The specific model used in Arduino Nano 33 IoT is the ATSAMD21G18A-U with 48-pin QFN package.

256-Channel capacitive touch and proximity sensing.

Up to four Analog Comparators (AC) with Window Compare function.

10-bit, 350 ksps Digital-to-Analog Converter (DAC).

Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution.

Automatic offset and gain error compensation.

One 12-bit, 350ksps Analog-to-Digital Converter (ADC) with up to 20 channels.

One two-channel Inter-IC Sound (I2S) interface.

USART with full-duplex and single-wire half-duplex configuration.

Up to six Serial Communication Interfaces (SERCOM), each configurable to operate as either:.

One full-speed (12 Mbps) Universal Serial Bus (USB) 2.0 interface.

32-bit Real Time Counter (RTC) with clock/calendar function.

Dithering that increase resolution with up to 5 bit and reduce quantization error.

Deterministic fault protection, fast decay and configurable dead-time between complementary output.

Generation of synchronized pulse width modulation (PWM) pattern across port pins.

Up to four compare channels with optional complementary output.

Up to four 24-bit Timer/Counters for Control (TCC), with extended functions:.

One 32-bit TC with two compare/capture channels, by using two TCs.

One 8-bit TC with two compare/capture channels.

One 16-bit TC with two compare/capture channels.

Up to five 16-bit Timer/Counters (TC), configurable as either:.12-channel Direct Memory Access Controller (DMAC).

Two-pin Serial Wire Debug (SWD) programming, test and debugging interface.Internal 32 KHz, 32 KHz ULP and 8 MHz oscillators.Internal and external clock options with 48 MHz Digital Frequency-Locked Loop (DFLL48M) and 48 MHz to 96 MHz Fractional Digital Phase-Locked Loop (FDPLL96M).Power-on Reset (POR) and Brown-out Detection (BOD).256 KB in-system self-programmable Flash.ARM ® Cortex®-M0+ single core CPU running at up to 48 MHz.SAMD21 Cortex®-M0+ 32bit low power ARM MCU (Datasheet)ġ1 (2, 3, 5, 6, 9, 10, 11, 12, 16 / A2, 17 / A3, 19 / A5)Īll digital pins (all analog pins can also be used as interrput pins, but will have duplicated interrupt numbers)Īrduino Nano 33 IoT top side Arduino Nano 33 IoT bottom side Atmel ATSAMD21G18

Arduino nano footprint multisim