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ATTINY3216
  • ATTINY3216

ATTINY3216

In Production

The ATtiny3216 series of microcontroller features the 8-bit AVR® processor with hardware multiplier, running at up to 20 MHz and with up to 32 KB Flash, 2 KB SRAM and 256B of EEPROM in 20-pin packages. The series uses the latest Core Independent Peripherals with low-power features. It also includes 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 (PTC).Functional Safety: This product is recommended for safety-critical applications, targeting industrial and automotive products (IEC 61508 and ISO 26262). Necessary documentation, such as the FMEDA report and Safety Manual, can be provided on request. The MPLAB X IDE...

Microchip Technology ATTINY3216 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

32

RAM

2048

Data EEPROM (bytes)

256

Pin Count

20

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

1.8

ADC Resolution Max

10

ADC Channels

16

Zero Cross Detect

False

Number of Comparators

3

SPI

1

I2C

1

Stand alone PWM

4

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)
  • Analog Comparators (AC)
  • Configurable Custom Logic (CCL)
  • 1x 12-bit Timers (TCD)
  • 2x 16-bit Timer (TCA / TCB)
  • Cyclical Redundancy Check (CRC/SCAN)
  • Peripheral Touch Controller (PTC)
  • 12 channels self-capacitance
  • 36 mutual-capacitance buttons supported
  • SPI / I2C / USART
  • Description

    The ATtiny3216 series of microcontroller features the 8-bit AVR® processor with hardware multiplier, running at up to 20 MHz and with up to 32 KB Flash, 2 KB SRAM and 256B of EEPROM in 20-pin packages. The series uses the latest Core Independent Peripherals with low-power features. It also includes 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 (PTC).

    Functional Safety:

    This product is recommended for safety-critical applications, targeting industrial and automotive products (IEC 61508 and ISO 26262). Necessary documentation, such as the FMEDA report and Safety Manual, can be provided on request. The MPLAB X IDE and the MPLAB XC8 compiler is available as a safety certified version. Contact your local Microchip sales office or your distributor for more information.

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