ATTINY416-MN

Overview

The ATTINY416-MN is an 8-bit AVR microcontroller from Microchip Technology's tinyAVR 1 series, featuring Functional Safety (FuSa) capabilities. It operates at a maximum frequency of 20MHz and includes 4KB of self-programming flash memory, 256 bytes of SRAM, and 128 bytes of EEPROM. The device utilizes a 20-VQFN (3x3) package with 18 I/O pins. Key peripherals include a 12-channel 10-bit ADC, an 8-bit DAC, multiple timers, and communication interfaces such as SPI, USART, and TWI.

Feature Summary

• Integrated Capacitive Touch Controller supporting buttons, sliders, and wheels with drive shielding for noise immunity
• Configurable Custom Logic (CCL) utilizing programmable Look-Up Tables for complex digital logic implementation
• Event System enabling peripheral-to-peripheral communication without CPU intervention for low-latency response
• SleepWalking capability allowing specific peripherals to operate independently during sleep modes

Applications

• Capacitive touch interface controllers for consumer electronics
• Industrial control systems requiring functional safety compliance
• Battery-powered devices leveraging ultra-low power sleep modes
• Smart home automation nodes using wireless communication protocols

Procurement Notes

Verify the exact ordering suffix against the manufacturer's current datasheet to ensure correct packaging and temperature grade specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Cross-reference the part number with official Microchip documentation to validate availability and lead times through authorized distributors.

Selection Notes

Select this component when designing applications that require integrated capacitive touch sensing alongside standard microcontroller functions. The inclusion of functional safety features makes it suitable for environments demanding higher reliability standards. Consider the 20MHz performance limit and 4KB memory capacity when evaluating code size and execution speed requirements for the target application.

Part Context

This part belongs to the tinyAVR 1 family, which emphasizes low power consumption and advanced analog features in a compact form factor. The series integrates high-performance peripherals typically found in larger MCUs into an 8-bit architecture. The specific model provides a balance of processing power and connectivity options for cost-sensitive embedded designs.

Replacement Considerations

Check the official Microchip cross-reference list for verified pin-compatible or functionally equivalent alternatives within the same product family. Ensure any substitute maintains the required voltage range and operating temperature specifications.