ATECC608A datasheet(2/81 Pages) MICROCHIP

2 / 81 page

Table of Contents

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

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

Applications.................................................................................................................................................... 1

Pin Configuration and Pinouts.................................................................................................................5

EEPROM Memory and Data Zone Access Policies................................................................................6

2.1.

ATECC608A-TNGLoRaWAN Configuration Zone........................................................................7

2.1.1.

Modifiable Configuration Zone Bytes.............................................................................7

2.2.

Data Zone and Access Policies....................................................................................................8

2.2.1.

Data Zone Data Types...................................................................................................8

2.2.1.1.

AES Key Storage........................................................................................ 8

2.2.1.2.

IEEE EUI-64 Identifier................................................................................. 8

2.2.1.3.

Repersonalization Key................................................................................ 9

2.2.1.4.

Nonce Values.............................................................................................. 9

2.2.1.5.

Private Keys................................................................................................ 9

2.2.1.6.

ECC Public Keys....................................................................................... 10

2.2.1.7.

Certificates Dynamic Storage....................................................................10

2.2.1.8.

I/O Protection Key..................................................................................... 11

2.2.1.9.

General Data Storage................................................................................11

2.2.2.

Slot Configuration Terminology.................................................................................... 11

2.2.3.

ATECC608A-TNGLoRaWAN Slot Configuration Summary.........................................12

2.2.4.

ATECC608A-TNGLoRaWAN Detailed Slot Access Policies....................................... 13

2.3.

ATECC608A-TNGLoRaWAN EEPROM One-Time Programmable (OTP) Zone....................... 18

Static RAM (SRAM) Memory................................................................................................................ 19

General Command Information.............................................................................................................20

4.1.

I/O Transactions......................................................................................................................... 20

4.2.

Command Packets..................................................................................................................... 20

4.3.

Status/Error Codes.....................................................................................................................21

4.4.

Address Encoding...................................................................................................................... 22

4.4.1.

Configuration Zone Addressing................................................................................... 22

4.4.2.

OTP Zone Addressing................................................................................................. 22

4.4.3.

DataZone Addressing.................................................................................................. 23

4.5.

Formatting of Keys, Signatures and Certificates........................................................................ 24

4.5.1.

ECC Key Formatting....................................................................................................24

4.5.1.1.

Public Key Formats................................................................................... 24

4.5.2.

Signature Format......................................................................................................... 25

4.5.3.

Certificate Storage....................................................................................................... 25

Device Commands................................................................................................................................27

5.1.

General Device Commands....................................................................................................... 28

5.1.1.

Counter Command.................................................................................................... 28

5.1.2.

Info Command...........................................................................................................29

5.1.2.1.

Info - Revision........................................................................................... 29

ATECC608A-TNGLoRaWAN

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