ATECC508A datasheet(5/109 Pages) MICROCHIP

5 / 109 page

9.1.4.

Address Encoding........................................................................................................58

9.1.5.

Zone Encoding.............................................................................................................60

9.1.6.

Watchdog Fail-Safe..................................................................................................... 60

9.2.

CheckMac Command...............................................................................................................61

9.3.

Counter Command.................................................................................................................62

9.4.

DeriveKey Command............................................................................................................ 63

9.5.

ECDH Command........................................................................................................................ 65

9.6.

GenDig Command................................................................................................................... 66

9.7.

GenKey Command................................................................................................................... 69

9.8.

HMAC Command........................................................................................................................ 71

9.9.

Info Command........................................................................................................................ 73

9.10.

Lock Command........................................................................................................................ 74

9.11.

MAC Command...........................................................................................................................76

9.12.

Nonce Command......................................................................................................................77

9.13.

Pause Command......................................................................................................................79

9.14.

PrivWrite Command............................................................................................................ 79

9.15.

Random Command................................................................................................................... 81

9.16.

Read Command........................................................................................................................ 81

9.17.

SHA Command...........................................................................................................................83

9.18.

Sign Command........................................................................................................................ 84

9.19.

UpdateExtra Command....................................................................................................... 86

9.20.

Verify Command................................................................................................................... 87

9.21.

Write Command......................................................................................................................90

9.21.1. Input Data Encryption.................................................................................................. 91

10. Compatibility............................................................................................................ 93

10.1. Microchip ATSHA204A...............................................................................................................93

10.2. Microchip ATECC108A...............................................................................................................93

11. Mechanical.............................................................................................................. 94

11.1. Wiring Configuration for Single-Wire Interface........................................................................... 94

12. Package Marking Information..................................................................................95

13. Package Drawings...................................................................................................96

13.1. 8-lead SOIC................................................................................................................................96

13.2. 8-pad UDFN............................................................................................................................... 99

13.3. 3-lead CONTACT..................................................................................................................... 102

14. Revision History.....................................................................................................104

The Microchip Web Site.............................................................................................. 105

Customer Change Notification Service........................................................................105

Customer Support....................................................................................................... 105

ATECC508A

Datasheet Complete

DS20005927A-page 5

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