ATTINY1624-XUR

Overview

The ATtiny1624-XUR is an 8-bit microcontroller from the tinyAVR® 2 family, featuring a 20 MHz AVR CPU with hardware multiplier. It includes 16 KB of Flash memory, 2 KB of SRAM, and 256 B of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports up to 12 general-purpose I/O pins. It integrates advanced peripherals including a 12-bit differential ADC with PGA, two USARTs, SPI, TWI, and a Real-Time Counter.

Feature Summary

• Features a high-performance low-power AVR CPU running at up to 20 MHz with single-cycle I/O access and a two-cycle hardware multiplier.
• Includes a 12-bit differential Analog-to-Digital Converter (ADC) with Programmable Gain Amplifier (PGA) and multiple internal voltage references.
• Supports flexible communication through dual Universal Synchronous Asynchronous Receiver Transmitters (USART), Master/Slave Serial Peripheral Interface (SPI), and Two-Wire Interface (TWI).
• Integrates Configurable Custom Logic (CCL) with programmable Look-Up Tables (LUT) and an Event System for CPU-independent inter-peripheral signaling.

Applications

• Low-power embedded control systems requiring efficient code execution.
• Applications utilizing analog signal processing with differential inputs and programmable gain.
• Systems requiring precise timing control via Real-Time Counter and multiple timer/counters.
• Industrial or consumer devices needing robust communication interfaces like USART and TWI.

Procurement Notes

Verify the specific package type corresponding to the 'X' suffix in the ordering part number, which indicates TSSOP or SSOP packaging. Confirm that the temperature grade 'U' aligns with the required operating range of -40°C to +85°C. Ensure compatibility with the Unified Program and Debug Interface (UPDI) used for programming and debugging this device family.

Selection Notes

Select the ATtiny1624-XUR when 16 KB of Flash and 12 I/O pins are sufficient for the application requirements. Consider this device over smaller variants if additional peripheral channels or memory capacity are needed without increasing pin count significantly. Verify speed grades against the minimum operating voltage to ensure stable performance at 20 MHz.

Part Context

This component belongs to the tinyAVR® 2 family, designed for vertical migration with full pin and feature compatibility across the series. It shares architectural similarities with other members like the ATtiny1626 and ATtiny1627 but offers a reduced pin count suitable for compact designs. The family emphasizes low power consumption while maintaining high performance through the optimized AVR CPU core.

Replacement Considerations

ATtiny1624-SSUR