8-bit AVR MCUs come with core independent peripherals

8-bit AVR MCUs come with core independent peripherals

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By Julien Happich

The ATtiny817/816/814/417 devices provide all the features needed to help to drive product innovation including small, low pin-count and feature-rich peripherals with 4 KB or 8 KB of Flash memory. Other integrated features include: a core-independent Peripheral Touch Controller (PTC); Event System for peripheral co-operation; custom programmable logic blocks; self-programming for firmware upgrades; non-volatile data storage; 20 MHz internal oscillator; high-speed serial communication with USART; operating voltages ranging from 1.8 V to 5.5 V; 10-bit ADC with internal voltage references; and sleep currents at less than 100 nA in power-down mode with SRAM retention.

CIPs allow the peripherals to operate independently of the core and include serial communication and analogue peripherals. Together with the Event System, which allows peripherals to communicate without using the CPU, applications can be optimised at a system level. This lowers power consumption and increases throughput and system reliability.

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