ATTINY4-TSHR

Overview

The ATTINY4-TSHR is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. It features 512 bytes of In-System Programmable Flash, 32 bytes of internal SRAM, and four programmable I/O lines. The device operates at speeds up to 12 MIPS at 12 MHz with an operating voltage range of 1.8V to 5.5V. It includes a 16-bit Timer/Counter with two PWM channels, a programmable watchdog timer, and an analog comparator. The component is housed in a 6-lead SOT-23 package.

Feature Summary

• AVR enhanced RISC architecture achieving close to 1 MIPS per MHz throughput
• Support for capacitive touch sensing via QTouch library integration
• Multiple software-selectable power-saving modes including Idle and Power-down
• In-system programmability allowing reprogramming without external memory devices

Applications

• Capacitive touch sensing interfaces such as buttons and sliders
• Low-power industrial control applications
• Consumer electronics requiring compact form factors
• Battery-operated systems optimizing power consumption versus processing speed

Procurement Notes

Verify the specific ordering code against official Microchip documentation to ensure correct speed grade and temperature range. Confirm that the package type matches the required footprint. Check for any errata related to programming lock bits or ESD handling before implementation. Ensure compliance with RoHS standards and verify lead finish specifications.

Selection Notes

Select this component when a compact 8-bit MCU with minimal I/O requirements is needed. Consider the ATtiny4 series for designs prioritizing low power consumption and small physical size. Evaluate the trade-off between processing speed and power usage based on the specific application requirements. Verify compatibility with existing development tools and compilers.

Part Context

The ATTINY4-TSHR belongs to the ATtiny4/5/9/10 family of microcontrollers manufactured by Atmel, now part of Microchip Technology. This family is designed for cost-sensitive and space-constrained applications. The TSHR suffix indicates a specific tape and reel packaging configuration suitable for automated assembly processes.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.