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TN0897

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Doc ID 023176 Rev 2

7.2

Silicon version

The <Silicon Version> provides information about the silicon version according to the

following table:

7.3

Product code

<Product Code 1> and <Product Code 2> represent a unique set of codes to identify the

product. The code is specified in the datasheet (see Appendix B: Product code).

7.4

SPI-Frame-ID

The <SPI-frame-ID> provides information about the register width (1, 2, 3 bytes) and the

availability of additional features like <Burst Mode Read> and <watchdog>.

BR: Burst-Mode Read (1 = Burst-Mode Read is supported)

WD: Watchdog (1 = available, 0 = not available)

Frame width: width of SPI frame (see Table 16)

Table 13.

Silicon version

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reserved

Silicon Version

Table 14.

Silicon version coding

Bit3

Bit 2

Bit 1

Bit 0

Silicon version

0

0

0

0

First silicon

0

001

V2

Table 15.

SPI-frame-ID

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

BR

WD

X

X

X

Frame width

Table 16.

Frame width

Bit 2

Bit 1

Bit 0

Frame width

Command

Data

0

0

1

16 bit

8 bit

8 bit

0

1

0

24 bit

8 bit

16 bit

1

0

0

32 bit

8 bit

24 bit