ADM1266ACPZ-R7 datasheet(61/62 Pages) AD

61 / 62 page

Data Sheet

ADM1266

Rev. A | Page 61 of 62

MEMORY_RECALCULATE_CRC

This command recalculates both the main and backup memory CRC.

Table 111. Register 0xF9—MEMORY_RECALCULATE_CRC

Bits

Bit Name

R/W

Description

[15:0]

RECALCULATE_CRC

Write 100 (hexadecimal) to recalculate the CRC of all the sections of the memory

SWITCH_MEMORY

This command switches between the configure main memory and configure backup memory.

Table 112. Register 0xFA—SWITCH_MEMORY (for Block W)

Byte

Bit Name

R/W

Description

Data length

Block W

Number of bytes of data for this block write, fixed to 1.

Memory index

Block W

Memory index. 0 for main memory, 1 for backup memory.

ERASE_MEMORY

This command erases the main memory or backup memory.

Table 113. Register 0xFB—ERASE_MEMORY (for Block W)

Byte

Bit Name

R/W

Description

Data length

Block W

Number of bytes of data for this block write, fixed to 1.

Memory index

Block W

Memory index. 0 for main memory, 1 for backup memory.

UPDATE_FW

The command updates the firmware.

Table 114. Register 0xFC—UPDATE_FW

Bits

Bit Name

Type

Description

[15:0]

UPDATE_FW

Write 100 (hexadecimal) to jump to bootloader and start updating firmware

FW_PASSWORD

This command changes the password, locks/unlocks the device

Table 115. Register 0xFD—FW_PASSWORD (for Block W)

Byte

Byte Name

R/W

Description

Data length

Block W

Number of bytes of data for this block write, fixed to 17.

[1:16]

Password

Block W

16-byte password.

Command

Block W

Password command (in decimal code).

1 = change password.

2 = unlock device.

3 = lock device.

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