Manufacturer Part Number
ATMEGA4809-AF
Manufacturer
Microchip Technology
Introduction
The ATMEGA4809-AF is part of Microchip Technology’s megaAVR® 0-series, designed for applications requiring functional safety (FuSa) with an 8-bit AVR core processor.
Product Features and Performance
Core Processor: AVR
Core Size: 8-Bit
Speed: 20MHz
Connectivity: I2C, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Size: 48KB (24K x 16)
Program Memory Type: FLASH
EEPROM Size: 256 x 8
RAM Size: 6K x 8
Voltage Supply Range: 1.8V to 5.5V
Data Converters: A/D 16x10b
Oscillator Type: Internal
Operating Temperature: -40°C to 125°C
Product Advantages
Optimized for safety-critical applications
Wide operating voltage and temperature range
Extensive connectivity options
Key Technical Parameters
Number of I/O: 41
Voltage - Supply (Vcc/Vdd): 1.8V ~ 5.5V
Data Converters: A/D 16x10b
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Functional Safety (FuSa) compliant
Brown-out Detect/Reset
Watchdog Timer (WDT)
Compatibility
Compatible with megaAVR 0-series ecosystem
Application Areas
Industrial control systems
Automotive systems
Consumer electronics
Product Lifecycle
Status: Active
Not nearing discontinuation; replacements and upgrades available through megaAVR 0-series
Several Key Reasons to Choose This Product
High integration with advanced safety features for fault detection
Versatile I/O count and robust connectivity for various design needs
Efficient use of power suitable for cost and energy-sensitive applications
Wide temperature range accommodating extreme operating environments
Long product lifecycle with future availability reassurance