Specifications
| Attribute | Value |
| Supplier | Microchip Technology |
| Package / Case | Tray |
| Series | tinyAVR™ 1, Functional Safety (FuSa) |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 22 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 24x10b; D/A 3x8b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
ATTINY3217-MN is Microchip’s TinyAVR 1-series 8‑bit microcontroller. It targets small, low‑power embedded tasks and uses the AVR core with a rich peripheral set configurable by the exact model.
Key points:
- Peripherals: serial interfaces (USART/UART, SPI, I2C/TWI), multiple 8/16‑bit timers, ADC with multiple channels, PWM outputs, and a peripheral event system to route signals between peripherals without CPU load.
- Power: supports low‑power sleep modes, Brown‑out detection, and watchdog timers.
- Memory and speed: the exact Flash/RAM/Speed depend on the specific variant (sizes range in tens of KB of Flash and several KB of RAM are typical in TinyAVR 1‑series).
- Packaging: MN suffix denotes a specific package variant (check the datasheet for size/pins).
- Programming/tools: programmed via UPDI; supported by Microchip Studio (Atmel Studio) or MPLAB X with avr-gcc toolchain.
For specifics, consult the ATtiny3217 datasheet and packaging guide.
Key points:
- Peripherals: serial interfaces (USART/UART, SPI, I2C/TWI), multiple 8/16‑bit timers, ADC with multiple channels, PWM outputs, and a peripheral event system to route signals between peripherals without CPU load.
- Power: supports low‑power sleep modes, Brown‑out detection, and watchdog timers.
- Memory and speed: the exact Flash/RAM/Speed depend on the specific variant (sizes range in tens of KB of Flash and several KB of RAM are typical in TinyAVR 1‑series).
- Packaging: MN suffix denotes a specific package variant (check the datasheet for size/pins).
- Programming/tools: programmed via UPDI; supported by Microchip Studio (Atmel Studio) or MPLAB X with avr-gcc toolchain.
For specifics, consult the ATtiny3217 datasheet and packaging guide.
Features
Here are concise features of ATtiny3217-MN:
- 8-bit AVR RISC core, up to about 20 MIPS at 20 MHz
- UPDI for programming/debugging
- Memory: up to 16 KB Flash, up to ~2 KB RAM, and EEPROM (≈1 KB)
- Supply voltage: 1.8–5.5 V; broad operating temperature range
- ADC: 10-bit ADC with multiple channels; analog features for sensing
- Peripheral Touch Controller (PTC) for capacitive touch sensing
- Event System for peripheral-to-peripheral signaling and zero-wait timing
- Serial communication: USART/UART, SPI, and I2C (TWI)
- Timers: 8/16-bit Timer/Counters with PWM support
- Power-saving: multiple sleep modes, brown-out detector, watchdog timer
- On-chip peripherals with flexible clock options and wake-up sources
- Packaging: MN variant (compact package suitable for small form factors)
Note: exact memory sizes and peripheral counts may vary by exact device package/revision; consult the latest datasheet for precise specs.
- 8-bit AVR RISC core, up to about 20 MIPS at 20 MHz
- UPDI for programming/debugging
- Memory: up to 16 KB Flash, up to ~2 KB RAM, and EEPROM (≈1 KB)
- Supply voltage: 1.8–5.5 V; broad operating temperature range
- ADC: 10-bit ADC with multiple channels; analog features for sensing
- Peripheral Touch Controller (PTC) for capacitive touch sensing
- Event System for peripheral-to-peripheral signaling and zero-wait timing
- Serial communication: USART/UART, SPI, and I2C (TWI)
- Timers: 8/16-bit Timer/Counters with PWM support
- Power-saving: multiple sleep modes, brown-out detector, watchdog timer
- On-chip peripherals with flexible clock options and wake-up sources
- Packaging: MN variant (compact package suitable for small form factors)
Note: exact memory sizes and peripheral counts may vary by exact device package/revision; consult the latest datasheet for precise specs.
Pinout
- Pin count: 20 pins (ATTINY3217-MN, MN package).
- Function: 8‑bit AVR microcontroller (tinyAVR 1‑series) for general embedded control, with GPIOs, timers/counters, ADC, and serial interfaces (USART/SPI/I2C), plus low-power/sleep modes.
- Function: 8‑bit AVR microcontroller (tinyAVR 1‑series) for general embedded control, with GPIOs, timers/counters, ADC, and serial interfaces (USART/SPI/I2C), plus low-power/sleep modes.
Manufacturer
- Manufacturer: Microchip Technology Inc.
- What kind of company: A US-based multinational semiconductor company that designs, develops, and manufactures microcontrollers, memory, and analog semiconductors for embedded systems (owns the AVR/ATTiny line through its Atmel acquisition; headquartered in Chandler, Arizona).
- What kind of company: A US-based multinational semiconductor company that designs, develops, and manufactures microcontrollers, memory, and analog semiconductors for embedded systems (owns the AVR/ATTiny line through its Atmel acquisition; headquartered in Chandler, Arizona).
Application
- Battery-powered sensors, wearables, beacons
- Small IoT edge devices (remote controls, smart home sensors)
- Human interface devices (keyboard, mouse, keypads)
- LED lighting drivers and small displays
- Compact motor/actuator control (DC motors, fans)
- Data acquisition and low-power data loggers
- Educational, prototyping, and hobbyist electronics
- General consumer electronics and remote controls
Note: ATtiny3217‑MN is a low-power, cost-effective AVR MCU suitable for compact, energy‑constrained embedded tasks.
- Small IoT edge devices (remote controls, smart home sensors)
- Human interface devices (keyboard, mouse, keypads)
- LED lighting drivers and small displays
- Compact motor/actuator control (DC motors, fans)
- Data acquisition and low-power data loggers
- Educational, prototyping, and hobbyist electronics
- General consumer electronics and remote controls
Note: ATtiny3217‑MN is a low-power, cost-effective AVR MCU suitable for compact, energy‑constrained embedded tasks.
Package
20-pin VQFN (3×3 mm) package.
