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ATTINY1634-MNR
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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 20QFN
- Series：AVR® ATtiny
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：12MHz
- Connectivity：I2C, SPI, UART/USART, USI
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：18
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：1K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 12x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-QFN-EP (4x4)
- Package / Case：20-WFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATtiny1634-MNR is an 8-bit AVR microcontroller in a 20-pad QFN/MLF package. It features 16K bytes of self-programmable Flash, 1K byte SRAM, and 256 bytes EEPROM. Operating at speeds up to 12MHz with supply voltages from 1.8V to 5.5V, it includes two USARTs, a 10-bit ADC with 12 external channels, timers with PWM, and capacitive touch sensing support.
Feature Summary
- Supports dedicated hardware and library integration for capacitive touch sensing interfaces
- Provides dual full-duplex USART communication modules with start frame detection capabilities
- Integrates a 10-bit analog-to-digital converter with multiple internal and external channel options
- Includes on-chip debug system and in-system programming via SPI interface
Applications
- Capacitive touch sensing user interfaces
- Low power industrial control systems
- Battery operated sensor nodes
- General purpose embedded applications requiring serial communication
Procurement Notes
Verify the specific speed grade suffix (e.g., MNR) matches the required operating frequency and voltage range. Confirm the MLF package dimensions and exposed pad soldering requirements align with the PCB layout. Ensure the temperature rating meets the application environment specifications.
Selection Notes
Select this component when high performance per milliwatt is required due to its single-cycle RISC architecture. Consider the 16KB Flash capacity for complex firmware and the extensive peripheral set including dual USARTs and ADC channels. Evaluate the low power modes against the system's duty cycle requirements.
Part Context
This device belongs to the ATtiny family of 8-bit AVR microcontrollers manufactured by Microchip Technology. It utilizes the enhanced RISC architecture optimized for code efficiency and low power consumption. The MLF suffix indicates the specific Quad Flat No-Lead / Micro Lead Frame packaging variant.
Replacement Considerations
ATtiny1634-MU
FAQ
What is the maximum operating speed at 1.8V?
The maximum operating speed is 2MHz when the supply voltage is between 1.8V and 5.5V.
How many general purpose I/O lines are available?
The device provides 18 programmable general purpose I/O lines across Port A, Port B, and Port C.
Does the device support capacitive touch sensing?
Yes, it includes dedicated hardware and QTouch Library support for capacitive touch sensing applications.
