Specifications

Physical Layer Simplified Specification Version 4.10

160

7.2.12 Content Protection Command

All the special Content Protection ACMDs and security functionality related to the CPRM is the same as

SD mode.

7.2.13 Switch Function Command

Same as for SD mode with two exceptions:

• The command is valid under the "not idle state".

• The switching period is within 8 clocks after the end bit of the R1 response of CMD0.

7.2.14 High Speed Mode

Same as SD mode.

7.2.15 Speed Class Specification

As opposed to SD mode, the card cannot guarantee its Speed Class. In SPI mode, host shall treat the

card as Class 0 no matter what Class is indicated in SD Status.