AS7058 datasheet(158/199 Pages) AMSOSRAM

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AS7058

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DS001077 • v2-00 • 2025-Sep-24

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8.12.16

PPG_MODE8 (Address 0xa4)

Table 160: PPG_MODE8 register

Addr: 0xa4

PPG_MODE8

Bit

Bit name

Default

Access

Bit description

4:2

ppg_mode_sub8

This register defines the number of measurement

repetitions for the selected measurement mode.

0: No repetition of selected measurement mode

1: 2 measurement repetitions

2: 4 measurement repetitions

3: 8 measurement repetitions

4: 16 measurement repetitions

5: 32 measurement repetitions

6: 64 measurement repetitions

7: 128 measurement repetitions

1:0

Measure Mode

0: Single Sampling

1: Double Sampling

2: Triple Sampling

3: SAR Single Sampling

8.12.17

PPG_CFG (Address 0xa5)

Table 161: PPG_CFG register

Addr: 0xa5

PPG_CFG

Bit

Bit name

Default

Access

Bit description

ext_freq

This bit disables the FREQ registers of PPG and ECG.

A rising edge on the EXTCLK_SYNC pin starts the

measurement of one sample in case ext_freq bit is set.

moving_average_on

Turn ON Moving Average for PPG.

1:0

moving_average_val

Number of samples used for the moving average filter of

the PPG.

0: 2

1: 4

2: 8

3: 16

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