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Microchip

ATTINY3217-MFR

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ATTINY3217-MFR Overview

The ATtiny3217 of microcontroller featuring the 8-bit AVR®  processor with hardware multiplier - running at up to 20MHz and with up to 32 KB Flash, 2 KB SRAM and 256 bytes of EEPROM in a 24-pin package. The series uses the latest Core Independent Peripherals with low power features.  Including 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 both industrial and automotive products(IEC 61508 and ISO 26262). Necessary documentation such as FMEDA report and Safety Manual can be provided on request. Please contact your local Microchip salesoffice or your distributor for more information.

ECAD Model

Symbol

ATTINY3217-MFR

Footprint

ATTINY3217-MFR

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)
  • 14 channels self-capacitance
  • 49 mutual-capacitance buttons supported
  • SPI / I2C / USART

Specifications

  • Core Processor AVR

  • Speed 20MHz

  • Operating Temperature -40℃ ~ 125℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 2K x 8

  • Number of I/O 22

  • Peripherals Brown-out Detect/Reset, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 24-VQFN (4x4)

  • EEPROM Size 256 x 8

  • Package / Case 24-VFQFN Exposed Pad

  • Core Size 8-Bit

  • Connectivity I2C, IrDA, LINbus, SPI, UART/USART

  • Program Memory Size 32KB (32K x 8)

  • Data Converters A/D 24x10b; D/A 3x8b

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

Circuit Diagram

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