AD9520-1SLASHPCBZ datasheet(76/80 Pages) AD

76 / 80 page

AD9520-1

Data Sheet

Rev. B | Page 76 of 80

Table 61. EEPROM Control

Reg.

Addr.

(Hex)

Bits

Name

Description

0xB00

[7:1]

Unused

Unused.

STATUS_EEPROM

(read only)

This read-only register indicates the status of the data transfer between the EEPROM and the buffer

pin when Register 0x01D[7] is set.

0: data transfer is complete.

1: data transfer is not complete.

0xB01

[7:1]

Unused

Unused.

EEPROM data error

(read only)

This read-only register indicates an error during the data transfer between the EEPROM and the buffer.

0: no error. Data is correct.

1: incorrect data detected.

0xB02

[7:2]

Unused

Unused.

SOFT_EEPROM

When the EEPROM pin is tied low, setting SOFT_EEPROM resets the AD9520-1 using the settings

saved in the EEPROM.

1: soft reset with EEPROM settings (self-clearing).

Enable EEPROM

write

Enables the user to write to the EEPROM.

0: EEPROM write protection is enabled. User cannot write to the EEPROM (default).

1: EEPROM write protection is disabled. User can write to the EEPROM. Once an EEPROM save/load

transfer is complete, the user must wait a minimum of 10 µs before starting the next EEPROM

save/load transfer.

0xB03

[7:1]

Unused

Unused.

REG2EEPROM

Transfers data from the buffer register to the EEPROM (self-clearing).

1: setting this bit initiates the data transfer from the buffer register to the EEPROM (writing process);

it is reset by the I²C master after the data transfer is complete. Once an EEPROM save/load transfer

is complete, the user must wait a minimum of 10 µs before starting the next EEPROM save/load transfer.

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