Register Name

Bytes

Byte

Width

Description

typ. Value

INI_TIMEOUT_EMU

60

1

1st initialization after disabling sector

size emulation

0x0A

CLASS_6_CTRL

59

1

Class 6 commands control

0x00

DYNCAP_NEEDED

58

1

Number of addressed group

to be Released

0x00

EXCEPTION_EVENTS_CTRL

57:56

2

Exception events control

0x0000

EXCEPTION_EVENTS_STATUS

55:54

2

Exception events status

0x0000

EXT_PARTITIONS_ATTRIBUTE

53:52

2

Extended Partitions Attribute

0x0000

CONTEXT_CONF

51:37

15

Context configuration

all 0x00

PACKED_COMMAND_STATUS

36

1

Packed command status

0x00

PACKED_FAILURE_INDEX

35

1

Packed command failure index

0x00

POWER_OFF_NOTIFICATION

34

1

Power Off Notification

0x00

CACHE_CTRL

33

1

Control to turn the Cache ON/OFF

0x00

FLUSH_CACHE

32

1

Flushing of the cache

0x00

BARRIER_CTRL

31

1

Control to turn the Barrier ON/OFF

0x00

MODE_CONFIG

30

1

Mode config

0x00

MODE_OPERATION_CODES

29

1

Mode operation codes

0x00

Reserved

28:27

2

Reserved

–

FFU_STATUS

26

1

FFU status

0x00

PRE_LOADING_DATA_SIZE

25:22

4

Per loading data size

0x00000000

MAX_PRE_LOADING_DATA_

SIZE

21:18

4

Max pre loading data size

0x01334000 (32GB)

0x02668000 (64GB)

0x04DA8000 (128GB)

PRODUCT_STATE_AWARE

N ESS_ENABLEMENT

17

1

Product state

awareness enablement

0x01

SECURE_REMOVAL_TYPE

16

1

Secure removal type

0x3B

CMDQ_MODE_EN

15

1

Command Queue Mode Enable

0x00

Reserved

14:0

15

Reserved

–

Note 1: Reserved bits should read as “0.”

Note 2: Obsolete values should be don’t care.

9.5 RCA Register

The writable 16-bit Relative Device Address (RCA) register carries the Device address assigned by the host

during the Device identification. This address is used for the addressed host-Device communication after the

Device identification procedure. The default value of the RCA register is 0x0001. The value 0x0000 is reserved

to set all Devices into the

Stand-by State with CMD7.

Confidential

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Rev.1.0 July 2023

32GB/64GB/128GB eMMC