ADR4525 datasheet(42/59 Pages) AD

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Data Sheet

AD3551R

REGISTERS

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Rev. A | 42 of 59

Chip Grade Register

Address: 0x06, Reset: 0x05, Name: CHIP_GRADE

Identifies product variations and device revisions. The device revision refers to the version of the silicon and the device grade refers to the

version of the test procedure.

Table 26. Bit Descriptions for CHIP_GRADE

Bits

Bit Name

Settings

Description

Reset

Access

[7:4]

DEVICE_GRADE

This is the Device Performance Grade.

0x0

[3:0]

DEVICE_REVISION

This is the Device Hardware Revision.

0x5

Scratch Pad Register

Address: 0x0A, Reset: 0x00, Name: SCRATCH_PAD

This register has no functional purpose. It is provided to test write and read operations.

Table 27. Bit Descriptions for SCRATCH_PAD

Bits

Bit Name

Settings

Description

Reset

Access

[7:0]

VALUE

Software Scratchpad.

0x0

R/W

SPI Revision Register

Address: 0x0B, Reset: 0x83, Name: SPI_REVISION

Indicates the SPI interface revision.

Table 28. Bit Descriptions for SPI_REVISION

Bits

Bit Name

Settings

Description

Reset

Access

[7:0]

VERSION

ADI SPI Standard Version.

0x83

ADR4525 Datasheet(PDF) 42 Page - Analog Devices

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