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ATTINY817-MN
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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 24QFN
- Series：tinyAVR™ 1, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, WDT
- Number of I/O：22
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：128 x 8
- RAM Size：512 x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 12x10b; D/A 1x8b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：24-QFN (4x4)
- Package / Case：24-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATTINY817-MN is an 8-bit AVR microcontroller featuring a CPU running at up to 20MHz. It includes 8KB of Flash memory, 512B SRAM, and 128 bytes of EEPROM. The device operates within a voltage range of 1.8V to 5.5V and supports I/O access in a single cycle. It utilizes a VQFN-24 package and offers connectivity via I2C, SPI, UART/USART, LINbus, and IrDA interfaces.
Feature Summary
- Integrated hardware multiplier for efficient arithmetic operations
- Supports multiple communication protocols including SPI and UART
- Includes internal temperature sensor and watchdog timer
Applications
- General-purpose embedded control systems
- Battery-powered devices requiring low voltage operation
- Industrial applications utilizing LINbus or IrDA connectivity
Procurement Notes
Verify the specific suffix 'MN' against official Microchip documentation to confirm tape-and-reel packaging and temperature grade specifications. Ensure compatibility with your target operating environment regarding the -40°C to 105°C junction temperature range. Cross-reference the exact part number with current datasheets to avoid discrepancies in pinout or electrical characteristics.
Selection Notes
Select this component when an 8-bit AVR architecture is required with integrated touch sensing capabilities or standard peripheral sets. Consider the 20MHz maximum clock speed and 8KB program memory size relative to application complexity. Evaluate the VQFN-24 package constraints for PCB layout and thermal management requirements during the design phase.
Part Context
This MCU belongs to the tinyAVR 1-series family, designed for cost-sensitive applications. It shares architectural similarities with ATtiny816 and ATtiny814 but offers specific memory and pin configurations. The series emphasizes low power consumption and high performance per watt for portable and industrial uses.
Replacement Considerations
Compatible substitutes include ATtiny816-MN and ATtiny814-MN from the same family. Verify pin-to-pin compatibility and memory size differences before substitution. Consult Microchip's migration guide for any necessary software adjustments due to register variations.
