User Manual

Secure Digital (SD) Bus Protocol Description

4-25

Current State

idle ready ident stby tran data rcv prg dis ina

Command Changes to

Class 5

CMD32 - - - - tran - - - - -

CMD33 - - - - tran - - - - -

CMD38 - - - - prg - - - - -

Class 7

CMD16 See Class 2

CMD42 This is an SDA optional command that is not currently supported by the SanDisk TriFlash.

Class 8

CMD55 idle - - stby tran data rcv prg dis -

CMD56; RD/WR = 0 - - - - rcv - - - - -

CMD56; RD/WR = 1 - - - - data - - - - -

ACMD6 - - - - tran - - - - -

ACMD13 - - - - tran - - - - -

ACMD22 - - - - tran - - - - -

ACMD23 - - - - tran - - - - -

ACMD18, 25, 26, 38, 43, 44,

45, 46, 47, 48, 49

Refer to SD Memory Card Security Specification for an explanation of the SD Security Features. The

SanDisk TriFlash with security supports all the security related commands as explained in the specification.

ACMD41, device V

range

compatible

ready - - - - - - - - -

ACMD41, device is busy idle - - - - - - - - -

ACMD41, device V

range

not compatible

ina - - - - - - - - -

ACMD42 - - - - rcv - - - - -

ACMD51 - - - - data - - - - -

class 9-11

CMD41; CMD43...CMD54,

CMD57-CMD59

Reserved

CMD60...CMD63 Reserved for manufacturer