AD9548 datasheet(103/111 Pages) AD

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Data Sheet

AD9548

Table 148. EEPROM Storage Sequence for Reference Input Settings

Address

Bits

Bit Name

Description

0x0E1F

[7:0]

Reference

inputs

The default value of this register is 0x07, which the controller interprets as a data instruction. Its decimal

value is 7, which tells the controller to transfer eight bytes of data (7 + 1) beginning at the address

specified by the next two bytes. The controller stores 0x07 in the EEPROM and increments the EEPROM

address pointer.

0x0E20

[7:0]

Reference

inputs

The default value of these two registers is 0x0500. Note that Register 0x0E20 and Register 0x0E21 are the

most significant and least significant bytes of the target address, respectively. Because the previous

controller stores 0x0500 in the EEPROM and increments the EEPROM pointer by 2. It then transfers eight

bytes from the register map (beginning at Address 0x0500) to the EEPROM and increments the EEPROM

address pointer by nine (eight data bytes and one checksum byte). The eight bytes transferred correspond

to the reference inputs parameters in the register map.

0x0E21

[7:0]

Table 149. EEPROM Storage Sequence for Profile 0 and Profile 1 Settings

Address

Bits

Bit Name

Description

0x0E22

[7:0]

Profile 0

and

Profile 1

The default value of this register is 0x63, which the controller interprets as a data instruction. Its decimal

value is 99, which this tells the controller to transfer 100 bytes of data (99 + 1) beginning at the address

specified by the next two bytes. The controller stores 0x63 in the EEPROM and increments the EEPROM

address pointer.

0x0E23

[7:0]

Profile 0

and

Profile 1

The default value of these two registers is 0x0600. Note that Register 0x0E23 and Register 0x0E24 are the

most significant and least significant bytes of the target address, respectively. Because the previous register

contains a data instruction, these two registers define a starting address (in this case, 0x0600). The controller

stores 0x0600 in the EEPROM and increments the EEPROM pointer by 2. It then transfers 100 bytes from the

101 (100 data bytes and one checksum byte). The 99 bytes transferred correspond to the Profile 0 and Profile

1 parameters in the register map.

0x0E24

[7:0]

Table 150. EEPROM Storage Sequence for Profile 2 and Profile 3 Settings

Address

Bits

Bit Name

Description

0x0E25

[7:0]

Profile 2

and

Profile 3

The default value of this register is 0x63, which the controller interprets as a data instruction. Its decimal

value is 99, which tells the controller to transfer 100 bytes of data (99 + 1) beginning at the address specified

by the next two bytes. The controller stores 0x63 in the EEPROM and increments the EEPROM address

pointer.

0x0E26

[7:0]

Profile 2

and

Profile 3

The default value of these two registers is 0x0680. Note that Register 0x0E26 and Register 0x0E27 are the

most significant and least significant bytes of the target address, respectively. Because the previous register

contains a data instruction, these two registers define a starting address (in this case, 0x0680). The controller

stores 0x0680 in the EEPROM and increments the EEPROM pointer by 2. It then transfers 100 bytes from the

101 (100 data bytes and one checksum byte). The 99 bytes transferred correspond to the Profile 2 and Profile

3 parameters in the register map.

0x0E27

[7:0]

Rev. G | Page 103 of 111

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