Microchip Technology Announces ATtiny3217 and ATtiny3216 MCU Devices

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  Microchip Technology Announces ATtiny3217 and ATtiny3216 MCU Devices

28. June 2018 – Microchip Technology has expanded its tinyAVR MCU series with two analogue-enabled devices and the largest memory family. The devices are designed for use in harsh environments and have built-in security features that help developers develop secure systems.

The ATtiny3217 and the ATtiny3216 are suitable for sensor applications with capacitive touch interfaces and have two analog-to-digital converters (ADCs). This allows systems to implement touch control simultaneously with other analog measurements. One ADC can be used with the Peripheral Touch Controller (PTC) to acquire touch signals, while the second ADC monitors other inputs such as thermistors and pressure sensors, or both ADCs can be used for faster scanning of different sensor types.

The dual ADC can be used to synchronously sample analog signals such as voltage and current. In addition, the devices have a hardware-based event system that enables communication between peripheral devices without CPU involvement.

Both devices have built-in safety features that allow developers to detect and respond to voltage fluctuations or interruptions, including Power On Reset (POR), Programmable Brownout Detection (BOD), Voltage Level Monitoring (VLM), and Windowed Watchdog Timer (WWDT) , The devices work with up to 5 V and are available in 125 ° C variants and have 32 KB Flash.

The ATtiny3217 and ATtiny3216 are the latest devices in Microchip's tiny AVR family of MCUs, including ATtiny1617 and ATtiny817.

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