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ATSAMD20J16B-ANT
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 64TQFP
- Series：SAM D20J
- 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, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, WDT
- Number of I/O：52
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 20x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-TQFP-EP (10x10)
- Package / Case：64-TQFP Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAMD20J16B-ANT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48MHz. It features 64KB of in-system programmable Flash memory and 8KB of SRAM. The device includes a 12-bit ADC with 20 channels and a 10-bit DAC. It supports I2C, SPI, and UART/USART interfaces, providing 52 general-purpose I/Os. Operating voltage ranges from 1.62V to 3.63V, with an industrial temperature range of -40°C to +105°C. It is housed in a 64-TQFP package.
Feature Summary
- ARM Cortex-M0+ processor core for efficient low-power execution
- Integrated analog peripherals including 20-channel 12-bit ADC and 10-bit DAC
- Multiple communication interfaces supporting I2C, SPI, and USART protocols
- Industrial temperature rating suitable for demanding environmental conditions
Applications
- Industrial control systems requiring robust temperature performance
- Consumer electronics utilizing multiple serial communication protocols
- Battery-powered devices leveraging low-power operation modes
- General-purpose embedded applications needing analog signal processing
Procurement Notes
Verify the specific suffix ANT corresponds to the 64-TQFP package and industrial temperature grade (-40°C to +105°C). Confirm RoHS compliance status and moisture sensitivity level prior to procurement. Ensure compatibility with existing design constraints regarding pin count and supply voltage requirements.
Selection Notes
Select this component when a balance of moderate program memory and extensive analog input channels is required. The 64-TQFP package offers a higher pin count compared to smaller QFN options, facilitating easier PCB layout for complex interconnects. Consider the 48MHz speed limit for timing-critical applications.
Part Context
This part belongs to the Microchip SAM D20 family, designed for cost-sensitive, low-power applications. It shares architectural similarities with other SAM D20 variants but differs in memory size and package type. The J-series typically denotes specific pin counts and peripheral configurations within the broader SAM D20 ecosystem.
Replacement Considerations
ATSAMD20J16B-AU (TQFP-64, 85°C) and ATSAMD20J16B-MNT (VQFN-64, 105°C) are package or temperature variant alternatives. Verify thermal ratings and physical footprint compatibility before substitution.
