ATMEGA4808 datasheet(3/68 Pages) MICROCHIP

3 / 68 page

Table of Contents

Introduction......................................................................................................................1

Features.......................................................................................................................... 1

1. Ordering Information..................................................................................................5

2. Block Diagram........................................................................................................... 6

3. Pinout........................................................................................................................ 7

3.1.

32-pin QFN/TQFP........................................................................................................................ 7

4. I/O Multiplexing and Considerations..........................................................................8

4.1.

Multiplexed Signals...................................................................................................................... 8

5. Electrical Characteristics........................................................................................... 9

5.1.

Absolute Maximum Ratings .........................................................................................................9

5.2.

General Operating Ratings ..........................................................................................................9

5.3.

Power Considerations................................................................................................................ 10

5.4.

Power Consumption................................................................................................................... 11

5.5.

Peripherals Power Consumption................................................................................................12

5.6.

BOD and POR Characteristics................................................................................................... 13

5.7.

External Reset Characteristics................................................................................................... 14

5.8.

Oscillators and Clocks................................................................................................................14

5.9.

I/O Pin Characteristics................................................................................................................17

5.10. VREF..........................................................................................................................................18

5.11. ADC............................................................................................................................................19

5.12. AC.............................................................................................................................................. 22

5.13. UPDI Timing............................................................................................................................... 23

6. Typical Characteristics.............................................................................................24

6.1.

Power Consumption................................................................................................................... 24

6.2.

GPIO.......................................................................................................................................... 32

6.3.

VREF Characteristics................................................................................................................. 39

6.4.

BOD Characteristics...................................................................................................................41

6.5.

ADC Characteristics................................................................................................................... 44

6.6.

AC Characteristics......................................................................................................................54

6.7.

OSC20M Characteristics............................................................................................................56

6.8.

OSCULP32K Characteristics..................................................................................................... 58

7. Package Drawings...................................................................................................60

7.1.

32 pin TQFP............................................................................................................................... 60

7.2.

32-pin VQFN.............................................................................................................................. 62

8. Conventions.............................................................................................................63

8.1.

Memory Size and Type...............................................................................................................63

Datasheet Preliminary

DS40002017A-page 3

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