ATSAML21J17B-AUT Part Information

Details for ATSAML21J17B-AUT by Microchip Technology


Part Description

The ultra-low-power ATSAML21 based Flash microcontroller (MCU) feature sophisticated power management technologies and consumes under 35 µA/MHz in active mode and 200nA in Sleep mode. In addition to ultra-low-power performance, these devices feature Full Speed USB host and device, Event System and Sleepwalking, 12-bit analog, AES, capacitive touch sensing, built in opAmps and much more. 

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Part Features

  • Key Features:
  • ARM Cortex-M0+ CPU running at up to 48MHz
  • 128 KB in-system self-programmable Flash
  • 4 KB Flash Read-While-Write section
  • 16 KB SRAM Main Memory
  • 8 KB SRAM Low power Memory
  • Operating voltage: 1.62V – 3.63V
  • Ultra Low Power Architecture consuming under 35uA/MHz in Active mode
  • Idle, Standby, Backup, and Off sleep modes
  • Battery backup support
  • Two Performance Levels
  • Embedded Buck/LDO regulator supporting on-the-fly selection
  • Peripheral Touch Controller (PTC)
  • Wake-up on touch in standby mode
  • Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
  • Temperature Range - 40°C to 85°C, - 40°C to 105°CPeripheral Features
  • 16-channel Direct Memory Access Controller (DMAC)
  • 12-channel Event System
  • 16-bit Timer/Counters (TC) including one low-power TC
  • Two 24-bit and one 16-bit Timer/Counters for Control (TCC)
  • 32-bit Real Time Counter (RTC) with clock/calendar function
  • Watchdog Timer (WDT)
  • CRC-32 generator
  • One full-speed (12Mbps) Universal Serial Bus (USB) 2.0 interface
  • Up to six Serial Communication Interfaces (SERCOM) including one low-power SERCOM
  • USART, I2C, SPI, LIN slave
  • One AES Encryption Engine & TRNG
  • One Configurable Custom Logic (CCL) Advanced Analog:
  • One 12-bit, 1MSPS Analog-to-Digital Converter (ADC)
  • Two channel, 12-bit, 1MSPS Dual Output Digital-to-Analog Converter (DAC)
  • Two Analog Comparators (AC) with window compare function
  • Three Operational Amplifiers (OPAMP)

Part Specifications

Family SAM L
Part Family SAM L21
Part Prefix SAM
Architecture 32
Core Cortex-M0+
MaxSpeed (MHz) 48
CPU Type Cortex-M0+
Program Memory Type Flash
Program Memory Size (KB) 128
Program Memory Size (KWords) 32
Secure Bootloader (CodeGuard™ Security) None
RAM (bytes) 24576
Data EEPROM (bytes) 4096
Direct Memory Access (DMA) Channels 16
Temp. Range Min. -40
Temp. Range Max. 105
Operation Voltage Min.(V) 1.62
Operation Voltage Max.(V) 3.63
Max I/O Pins 51
Pin Count 64
Brown Out Reset (BOR) BOR
Power On Reset (POR) Yes
Internal Voltage Reference (Bandgap) Yes
Internal Oscillator 32Khz ULP, 16Mhz
Vbat/Vddbu for battery backup True
Low Power Yes
Number of Comparators 2
Comparator max speed (ns) 770
Number of ADCs 1
ADC Channels 20
Diff ADC Inputs 20
Max ADC Sampling Rate (ksps) 1000
Max ADC Resolution (bits) 12
Max ADC Sample/Hold (S/H) 1
Number of DACs 2
DAC outputs 2
Max DAC Resolution (bits) 12
Number of Op Amps 3
Programmable Gain Amp (PGA) 1
Temp Sensor Yes
Hardware Touch Peripheral PTC
Hardware QTouch Acquisition Yes
SPI™ 6
I2C 6
Max 8 Bit Digital Timers 5
Max 16 Bit Digital Timers 5
Max 32 Bit Digital Timers 2
Hardware RTCC Yes
Watch Dog Timers (WDT) Yes
Timers 8
Motor Control PWM Channels 14
Standalone Output Compare/ Standard PWM 24
Input Capture 10
Max # PWM outputs (including complementary outputs) 24
Output Compare Channels 10
Number of USB Modules 1
USB Interface Full Speed
Type of CAN module None
IrDA Yes
Ethernet None
Integrated Wireless Frequency None
Wireless Technology None
Configurable Logic Cell Modules (CLC /CCL) 4
Configurable Logic Cell Modules (CLC /CCL) Type CCL
Peripheral Pin Select (PPS)/Pin Muxing Yes
Parallel Port GPIO
Crypto Engine Yes
JTAG Debug/Program
Debug Interface SWD/ISP
Temperature Range -40C to +85C

Alternative Part Descriptions

  • 64TQFP 85C, GREEN,1.6-3.6V,48MHZ, 64 TQFP 10X10X1MM T/R ROHS COMPLIANT: YES | Newark Electronics
  • MCU 32-Bit SAM L21J ARM Cortex M0+ RISC 128KB Flash 3.3V 64-Pin TQFP T/R | Avnet America
  • MCU 32-Bit SAM L21J ARM Cortex M0+ RISC 128KB Flash 3.3V 64-Pin TQFP T/R | Avnet Europe

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