ATTINY817-MFR. datasheet(3/492 Pages) MICROCHIP

3 / 492 page

Table of Contents

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

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

1. tinyAVR

® 1-Series Overview....................................................................................10

1.1.

Configuration Summary..............................................................................................................11

2. Ordering Information................................................................................................12

2.1.

ATtiny417................................................................................................................................... 12

2.2.

ATtiny817................................................................................................................................... 12

3. Block Diagram......................................................................................................... 13

4. Pinout...................................................................................................................... 15

4.1.

24-pin VQFN.............................................................................................................................. 15

5. I/O Multiplexing and Considerations........................................................................16

5.1.

Multiplexed Signals.................................................................................................................... 16

6. Memories.................................................................................................................17

6.1.

Overview.................................................................................................................................... 17

6.2.

Memory Map.............................................................................................................................. 17

6.3.

In-System Reprogrammable Flash Program Memory................................................................17

6.4.

SRAM Data Memory.................................................................................................................. 18

6.5.

EEPROM Data Memory............................................................................................................. 18

6.6.

User Row....................................................................................................................................18

6.7.

Signature Bytes.......................................................................................................................... 18

6.8.

I/O Memory.................................................................................................................................19

6.9.

FUSES - Configuration and User Fuses.................................................................................... 20

7. Peripherals and Architecture................................................................................... 31

7.1.

Peripheral Module Address Map................................................................................................ 31

7.2.

Interrupt Vector Mapping............................................................................................................ 32

7.3.

SYSCFG - System Configuration............................................................................................... 33

8. AVR CPU.................................................................................................................35

8.1.

Features..................................................................................................................................... 35

8.2.

Overview.................................................................................................................................... 35

8.3.

Architecture................................................................................................................................ 35

8.4.

ALU - Arithmetic Logic Unit........................................................................................................ 37

8.5.

Functional Description................................................................................................................38

8.6.

Register Summary - CPU...........................................................................................................43

8.7.

Register Description................................................................................................................... 43

9. NVMCTRL - Non Volatile Memory Controller.......................................................... 46

9.1.

Features..................................................................................................................................... 46

Datasheet Complete

DS40001901B-page 3

ATTINY817-MFR. Datasheet(PDF) 3 Page - Microchip Technology

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