ADP1047ARQZ-R7 datasheet(57/84 Pages) AD

57 / 84 page

Data Sheet

ADP1047/ADP1048

Rev. 0 | Page 57 of 84

EEPROM_CRC_CHKSUM REGISTER

Table 56. Register 0xD1—EEPROM_CRC_CHKSUM

Bits

Bit Name

R/W

Description

[7:0]

CRC checksum

Return the CRC checksum value from the EEPROM download operation.

EEPROM_NUM_RD_BYTES REGISTER

Table 57. Register 0xD2—EEPROM_NUM_RD_BYTES

Bits

Bit Name

R/W

Description

[7:0]

Number of read

bytes returned

R/W

These bits set the number of read bytes returned when using the EEPROM_DATA_xx commands.

EEPROM_ADDR_OFFSET REGISTER

Table 58. Register 0xD3—EEPROM_ADDR_OFFSET

Bits

Bit Name

R/W

Description

[15:0]

Address offset

R/W

These bits set the address offset of the current EEPROM page.

EEPROM_PAGE_ERASE REGISTER

Table 59. Register 0xD4—EEPROM_PAGE_ERASE

Bits

Bit Name

R/W

Description

[7:0]

Page erase

Perform a page erase on the selected EEPROM page. (Wait 35 ms after each page erase operation.)

EEPROM must first be unlocked. Page 0 and Page 1 erase are allowed only in manufacturing test mode.

EEPROM_PASSWORD REGISTER

Table 60. Register 0xD5—EEPROM_PASSWORD

Bits

Bit Name

R/W

Description

[7:0]

EEPROM

password

Write the password to this register to unlock EEPROM and/or to change the EEPROM password.

TRIM_PASSWORD REGISTER

Table 61. Register 0xD6—TRIM_PASSWORD

Bits

Bit Name

R/W

Description

[7:0]

Trim password

Write the password to this register to unlock the trim registers for write access. Write the trim password

twice (default 0x00) to unlock the register; write any other value to exit.

EEPROM_INFO COMMAND

Code 0xF1, block read/write. This command reads the manufacturer’s data from the EEPROM.

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