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ATTINY814
  • ATTINY814

ATTINY814

In Production

The ATtiny814 microcontroller featuring the 8-bit AVR® processor with a hardware multiplier, running at up to 20 MHz and with 8 KB Flash, 512B SRAM, and 128B of EEPROM in a 14-pin package. The series uses the latest Core Independent Peripherals with low-power features, including an Event System, intelligent analog and advanced peripherals. Capacitive touch interfaces with proximity sensing and driven shield are supported by the integrated QTouch® peripheral touch controller. Additional Documents ...

Microchip Technology ATTINY814 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

8

RAM

512

Data EEPROM (bytes)

128

Pin Count

14

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

12

Zero Cross Detect

False

Number of Comparators

1

SPI

1

I2C

1

Stand alone PWM

6

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Features

  • Hardware multiplier
  • Three sleep modes:
  • Idle
  • Standby
  • Power Down
  • Event System 
  • Watchdog Timer (WDT)
  • Power-On Reset (POR)
  • Brown-Out Detection (BOD)
  • Single pin programming and debugging interface (UPDI)
  • 12 Channel 10-bit ADC with Voltage Reference
  • 8-bit Digital to Analog Converter (DAC)
  • Comparators
  • Configurable Custom Logic (CCL)
  • 1x 12-bit Timers (TCD)
  • 2x 16-bit Timer (TCA / TCB)
  • Cyclical Redundancy Check (CRC/SCAN)
  • Peripheral Touch Controller (PTC)
  • 6 channels self-capacitance
  • 9 channels mutual-capacitance
  • SPI / I2C / USART

Description

The ATtiny814 microcontroller featuring the 8-bit AVR® processor with a hardware multiplier, running at up to 20 MHz and with 8 KB Flash, 512B SRAM, and 128B of EEPROM in a 14-pin package. The series uses the latest Core Independent Peripherals with low-power features, including an Event System, intelligent analog and advanced peripherals. Capacitive touch interfaces with proximity sensing and driven shield are supported by the integrated QTouch® peripheral touch controller.

 

Additional Documents

 

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