AD3530 datasheet(33/45 Pages) AD

33 / 45 page

Data Sheet

AD3530/AD3530R

analog.com

Rev. 0 | 33 of 45

Table 16. Bit Descriptions for PRODUCT_ID_H

Bits

Bit Name

Description

Reset

Access

[7:0]

PRODUCT_ID[15:8]

Device Chip Type/Family. The product ID should be used in conjunction with chip type to identify a

product.

0x0

CHIP GRADE REGISTER

Address: 0x06, Reset: 0x01, Name: CHIP_GRADE

Identifies product variations and device revisions

[7:4] GRADE (R)

[3:0] DEVICE_REVISION (R)

Table 17. Bit Descriptions for CHIP_GRADE

Bits

Bit Name

Description

Reset

Access

[7:4]

GRADE

Device Performance Grade.

0x0

[3:0]

DEVICE_REVISION

Device Hardware Revision.

0x1

SCRATCH PAD REGISTER

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

Can be used to test writes and reads

[7:0] SCRATCH_VALUE (R/W)

Table 18. Bit Descriptions for SCRATCH_PAD

Bits

Bit Name

Description

Reset

Access

[7:0]

SCRATCH_VALUE

Software Scratchpad. Software can write to and read from this location without any device side effects.

0x0

R/W

SPI REVISION REGISTER

Address: 0x0B, Reset: 0x84, Name: SPI_REVISION

Indicates the SPI interface revision

[7:6] SPI_TYPE (R)

[5:0] VERSION (R)

Table 19. Bit Descriptions for SPI_REVISION

Bits

Bit Name

Description

Reset

Access

[7:6]

SPI_TYPE

Always Reads as 0x2.

0x2

[5:0]

VERSION

SPI Version.

0x4

VENDOR ID LOW REGISTER

Address: 0x0C, Reset: 0x56, Name: VENDOR_L

Low byte of the vendor ID

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