SAMD21J datasheet(2/59 Pages) MICROCHIP

2 / 59 page

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Up to four compare channels with optional complementary output

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

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

complementary output

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

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

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Watchdog Timer (WDT)

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CRC-32 generator

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

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Embedded host and device function

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Eight endpoints

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

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

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I2C up to 3.4MHz

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SPI

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LIN slave

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

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

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Differential and single-ended input

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1/2x to 16x programmable gain stage

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Automatic offset and gain error compensation

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

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

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Two Analog Comparators (AC) with window compare function

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Peripheral Touch Controller (PTC)

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256-Channel capacitive touch and proximity sensing

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I/O

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Up to 52 programmable I/O pins

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Drop in compatible with SAM D20

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Packages

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64-pin TQFP, QFN, UFBGA

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48-pin TQFP, QFN, WLCSP

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32-pin TQFP, QFN, WLCSP

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Operating Voltage

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1.62V – 3.63V

32-bit ARM-Based Microcontrollers

Datasheet Summary

40001884A-page 2

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