ATTINY3217-MN

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ATTINY3217-MN

IC MCU 8BIT 32KB FLASH 24VQFN

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規格

Supplier Microchip Technology
Package Tray
Series tinyAVR™ 1, Functional Safety (FuSa)
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 20MHz
Connectivity I²C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 22
ProgramMemorySize 32KB (32K x 8)
ProgramMemoryType FLASH
EEPROMSize 256 x 8
RAMSize 2K x 8
Voltage-Supply(Vcc/Vdd) 1.8V ~ 5.5V
DataConverters A/D 24x10b; D/A 3x8b
OscillatorType Internal
OperatingTemperature -40°C ~ 105°C (TA)
MountingType Surface Mount
Package/Case 24-VFQFN Exposed Pad

概述

Description

ATtiny3217-MN is Microchip/Atmel’s tinyAVR 1‑series 8‑bit microcontroller. It’s designed for low‑power, small-footprint embedded tasks and combines a modern AVR core with a versatile peripheral set. Peripherals typically include timers/counters, USART/SPI/I2C, an ADC, analog comparator, and an event-driven system to route signals without CPU intervention. It has non-volatile flash for program storage, RAM for data, and EEPROM for small data retention. The device supports power‑saving sleep modes and features such as brown‑out detection or watchdog for reliability. Programming is normally via UPDI (single‑wire interface). The MCU is suitable for small sensors, simple control tasks, and compact IoT or portable devices. Toolchain support includes Microchip Studio, MPLAB X, and GCC-based environments. For exact memory sizes, package options, and pin counts, consult the latest datasheet.

Features

Key features of ATtiny3217-MN (TinyAVR 1-series):
- 8-bit AVR core, up to 20 MHz operation
- Supply voltage: 1.8–5.5 V (wide operating range)
- Memory: up to 32 KB Flash, up to 2 KB SRAM, up to 1 KB EEPROM
- Analog: 12-channel, 10-bit ADC
- Timers/PWM: multiple 8/16-bit Timer/Counters with PWM
- Communications: USART, SPI, I2C (Two-Wire)
- Advanced peripherals: Event System and Configurable Custom Logic (CCL)
- Power management: multiple sleep modes, brown-out detector, POR/WDT
- Programming/debug: UPDI interface
- Package: MN 20-pin package (compact footprint)

Package

The ATtiny3217-MN uses a 20-pin Micro Leadframe (MLF) package, 4.0 × 4.0 mm.

Pinout

- Pin count: 20-pin package
- Function: ATtiny3217-MN is an 8-bit AVR microcontroller (Tiny/1-series) in a 20-pin package, used for small embedded control tasks with integrated peripherals (timers, ADC, USART/SPI/I2C, etc.).

Manufacturer

Manufacturer: Microchip Technology Inc. (the company that now owns the Atmel AVR line, including the ATtiny3217).
What kind of company: Microchip is an American multinational semiconductor company that designs and manufactures microcontrollers, memory, and analog products for embedded systems.

Application

- Battery-powered sensors, wearables, and data loggers
- IoT edge devices, home automation sensors/actuators
- Small robotics, motor control, and actuator interfaces
- Portable handheld instruments and compact consumer electronics
- Industrial sensing and tiny automation modules
- Education, hobbyist projects, and rapid-prototyping of embedded systems
Note: ATTINY3217-MN targets low-pin-count, low-power, multi-peripheral applications (ADC, timers, serial interfaces, event system).

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