JEDEC Standard No. 245E
-i-
BYTE ADDRESSABLE ENERGY BACKED INTERFACE
Contents
Page
Foreword ..................................................................................................................................................... xii
Introduction ................................................................................................................................................. xii
1 Scope .................................................................................................................................................... 1
2 Normative References .......................................................................................................................... 1
2.1 Overview ....................................................................................................................................... 1
2.2 JEDEC Standards .......................................................................................................................... 1
2.3 Management Interface Standards .................................................................................................. 2
2.4 NIST (National Institute of Standards and Technology) Standards .............................................. 2
2.5 NIST CAVP (Cryptographic Algorithm Validation Program) ..................................................... 3
2.6 NIST CMVP (Cryptographic Module Validation Program) ......................................................... 3
2.7 IEEE Standards ............................................................................................................................. 3
2.8 Common Criteria Standards .......................................................................................................... 3
2.9 TCG (Trusted Computing Group) Standards ................................................................................ 4
2.10 Best Practices ................................................................................................................................ 5
3 Terms and Definitions .......................................................................................................................... 5
3.1 Acronyms ...................................................................................................................................... 6
3.2 Terms and Definitions ................................................................................................................... 6
3.3 Keywords ...................................................................................................................................... 8
3.4 Conventions .................................................................................................................................. 9
4 Introduction ........................................................................................................................................ 10
5 I2C ...................................................................................................................................................... 11
5.1 I
2
C Bus ........................................................................................................................................ 11
5.2 I
2
C Transactions .......................................................................................................................... 11
5.2.1 I
2
C Read Byte Transaction .................................................................................................. 12
5.2.2 I
2
C Write Byte Transaction ................................................................................................. 12
5.2.3 I
2
C Read Word Transaction ................................................................................................ 12
5.2.4 I
2
C Write Word Transaction ............................................................................................... 13
5.2.5 I
2
C Block Read Transaction ................................................................................................ 13
5.2.6 I
2
C Block Write Transaction ............................................................................................... 13
5.2.7 I
2
C Transactions to Reserved Offsets ................................................................................. 14
5.2.8 Illegal I
2
C Transactions ....................................................................................................... 14
5.2.9 I
2
C Resets ............................................................................................................................ 14
5.3 Paging ......................................................................................................................................... 14
5.4 Typed Block Data ....................................................................................................................... 15
6 Serial Presence Detect ........................................................................................................................ 16
6.1 Byte Addressable Energy Backed Interface Discovery .............................................................. 16
7 Features .............................................................................................................................................. 17
7.1 Controller Ready ......................................................................................................................... 17
7.2 Operations ................................................................................................................................... 18
7.2.1 Catastrophic Save Operation ............................................................................................... 18
7.2.1.1 START_CSAVE Bit ....................................................................................................... 19
7.2.1.2 SAVE_n Pin .................................................................................................................... 19
7.2.1.3 RESET_n Pin .................................................................................................................. 21
JEDEC
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