Data Sheet

Table of Contents
Introduction......................................................................................................................1
Features.......................................................................................................................... 1
1. Block Diagram........................................................................................................... 5
2. Pinout........................................................................................................................ 6
2.1. 48-pin UQFN/TQFP......................................................................................................................6
3. I/O Multiplexing and Considerations..........................................................................7
3.1. Multiplexed Signals...................................................................................................................... 7
4. Electrical Characteristics........................................................................................... 9
4.1. Disclaimer.....................................................................................................................................9
4.2. Absolute Maximum Ratings .........................................................................................................9
4.3. General Operating Ratings ..........................................................................................................9
4.4. Power Considerations................................................................................................................ 11
4.5. Power Consumption................................................................................................................... 11
4.6. Peripherals Power Consumption................................................................................................13
4.7. BOD and POR Characteristics................................................................................................... 14
4.8. External Reset Characteristics................................................................................................... 15
4.9. Oscillators and Clocks................................................................................................................15
4.10. I/O Pin Characteristics................................................................................................................17
4.11. USART....................................................................................................................................... 19
4.12. SPI..............................................................................................................................................20
4.13. TWI.............................................................................................................................................21
4.14. VREF..........................................................................................................................................23
4.15. ADC............................................................................................................................................25
4.16. AC.............................................................................................................................................. 28
4.17. UPDI Timing............................................................................................................................... 29
4.18. Programming Time.....................................................................................................................30
5. Typical Characteristics.............................................................................................31
5.1. Power Consumption................................................................................................................... 31
5.2. GPIO.......................................................................................................................................... 39
5.3. VREF Characteristics................................................................................................................. 46
5.4. BOD Characteristics...................................................................................................................48
5.5. ADC Characteristics................................................................................................................... 51
5.6. AC Characteristics......................................................................................................................61
5.7. OSC20M Characteristics............................................................................................................63
5.8. OSCULP32K Characteristics..................................................................................................... 65
6. Ordering Information................................................................................................67
7. Online Package Drawings....................................................................................... 68
ATmega809/1609/3209/4809 – 48-pin
© 2019 Microchip Technology Inc.
Datasheet Preliminary
DS40002016B-page 3