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ATSAML21J17B-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 64TQFP
- Series：SAM L21J, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, LINbus, SCI, SPI, UART/USART, USB
- Peripherals：DMA, POR, PWM, WDT
- Number of I/O：51
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.63V
- Data Converters：A/D 20x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP (10x10)
- Package / Case：64-TQFP
- Grade：-
- Qualification：-
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Overview
The ATSAML21J17B-ANT is a 32-bit microcontroller from the SAM L21 series, featuring an ARM Cortex-M0+ core operating at up to 48 MHz. It integrates 128 KB of flash memory and 16 KB of SRAM. The device supports a supply voltage range of 1.62 V to 3.63 V and operates within a temperature range of -40°C to +85°C. It includes 51 I/O pins and offers interfaces such as I2C, LINbus, SPI, USART, and USB. The component is housed in a 64-TQFP package.
Feature Summary
- Functional Safety (FuSa) certified for automotive applications
- Integrated advanced analog peripherals including multiple ADCs and DACs
- Supports low-power operation modes with flexible clocking options
Applications
- Automotive body electronics requiring functional safety compliance
- Industrial control systems with analog signal processing needs
- Consumer devices utilizing USB connectivity and low power consumption
Procurement Notes
Verify the specific suffix 'ANT' corresponds to the 64-TQFP package and commercial temperature grade. Confirm RoHS and REACH compliance status through official Microchip documentation. Ensure the ordering quantity matches the manufacturer's standard packaging requirements for this specific part number variant.
Selection Notes
Select this model when functional safety certification is mandatory for the application. Choose over non-FuSa variants if diagnostic coverage requirements exceed standard industrial limits. Consider the TQFP package for prototyping ease compared to QFN alternatives. Verify pin compatibility with existing designs if substituting from other SAM L21 family members.
Part Context
This component belongs to the SAM L21 family, which focuses on functional safety and low power. It shares architectural similarities with the SAM D21 but adds FuSa capabilities. The J17 designation indicates the specific memory configuration of 128 KB flash and 16 KB RAM within this product line.
Replacement Considerations
ATSAML21J17B-AUT provides the same electrical specifications in a TQFP package. ATSAML21J17B-MUT offers identical functionality in a QFN package. Cross-reference datasheets for pinout differences between TQFP and QFN packages before substitution.
