AS7058 datasheet(78/199 Pages) AMSOSRAM

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AS7058

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DS001077 • v2-00 • 2025-Sep-24

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8.2

OTP

The register tables store the percentage error of the internal resistors with the following

structure:

•

1-bit for the sign.

•

5 bits for the integer number with 1% per code such that the range is ± 31%.

•

4 bits for the decimal number with 0.06% per code.

8.2.1

P2RAM_OTP_14 register (Address 0x0e)

Table 17: P2RAM_OTP_14 register

Addr: 0x0e

P2RAM_OTP_14

Bit

Bit name

Default

Access

Bit description

7:0

bioz_ref_res[7:0]

Bio-Z reference resistor error LSBs

8.2.2

P2RAM_OTP_15 register (Address 0x0f)

Table 18: P2RAM_OTP_15 register

Addr: 0x0f

P2RAM_OTP_15

Bit

Bit name

Default

Access

Bit description

1:0

bioz_ref_res[9:8]

Bio-Z reference resistor error MSBs

8.2.3

P2RAM_OTP_19 register (Address 0x13)

Table 19: P2RAM_OTP_19 register

Addr: 0x13

P2RAM_OTP_19

Bit

Bit name

Default

Access

Bit description

7:0

gsr_ref_res[7:0]

GSR reference resistor LSBs

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