ATSAMD20J15A-CN

Overview

The ATSAMD20J15A-CN is an ARM microcontroller from the SAMD20 series, featuring a Cortex-M0+ core operating at a maximum clock frequency of 48 MHz. It integrates 32 kB of Flash program memory and 4 kB of SRAM data RAM within a 64-pin UFBGA package. The device supports a supply voltage range of 1.62 V to 3.63 V and includes 52 general-purpose I/O pins. Peripheral interfaces include I2C, SPI, UART, and USART. It features a 12-bit ADC with 20 channels and eight timers/counters. The component is rated for an extended industrial temperature range of -40°C to +105°C.

Feature Summary

• High-performance 32-bit ARM Cortex-M0+ processor core
• Integrated non-volatile memory with 32 kB Flash and 4 kB SRAM
• Comprehensive peripheral set including multiple serial communication interfaces
• Extended temperature operation capability for industrial environments

Applications

• Industrial control systems requiring robust environmental tolerance
• Consumer electronics utilizing low-power ARM architectures
• General-purpose embedded applications with serial communication needs
• Battery-powered devices benefiting from wide voltage input ranges

Procurement Notes

Verify the specific suffix CN against official Microchip documentation to confirm regional compliance and manufacturing origin details. Ensure the UFBGA-64 package footprint matches your PCB design constraints. Confirm that the 1.62 V to 3.63 V supply voltage range aligns with your system power rails. Check for any recent product change notices regarding assembly sites or material declarations.

Selection Notes

Select this component when a balance of processing speed and pin count is required in a compact form factor. The 64-pin UFBGA package offers high I/O density suitable for complex peripheral integration. Consider the 105°C maximum operating temperature if the application environment exceeds standard commercial limits. Evaluate the 48 MHz clock speed against real-time processing requirements.

Part Context

This part belongs to the Microchip SAM D20 family, designed for cost-sensitive 32-bit applications. The J-series typically denotes specific pin counts and memory configurations within the broader SAMD20 portfolio. It serves as a successor to 8-bit and 16-bit microcontrollers, offering significant performance improvements while maintaining low power consumption profiles typical of the Cortex-M0+ architecture.

Replacement Considerations

Consult official Microchip cross-reference tools for verified substitutes. Alternative packages such as QFN may be available under different suffixes like MUT. Ensure any replacement maintains the same core architecture and memory size for software compatibility.