AS7150 datasheet(63/159 Pages) AMSOSRAM

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AS7150

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DS001130 • v3-00 • 2026-Jan-26

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8.2.2

CGB_CFG register (Address 0x11)

Table 15: CGB_CFG register

Addr: 0x11

CGB_CFG

Bit

Bit name

Default

Access

Bit description

bgcal_done_sel

R/W

This configuration bit defines how often the

32 kHz calibration is executed.

0: Only one calibration cycle executed

1: Calibration running until low frequency

oscillator is close to 32 kHz

bgcal_en

PUSH1

Once this bit is set to one calibration of the

32 kHz low frequency oscillator is started.

0: 32 kHz oscillator calibration disabled

1: 32 kHz oscillator calibration enabled

pll_on

R/W

The bit enables the internal PLL for the

20 MHz clock to operate the ADCs.

0: 20 MHz PLL disabled

1: 20 MHz PLL enabled

hf_osc_on

R/W

This bit enables the internal 2 MHz on chip

high frequency oscillator. Please mind that

there is a 100µs settling time mandatory

once the 32 kHz low frequency oscillator is

enabled, via lf_osc_on_register, before the

high freqeuncy oscillator can be switch on.

0: 2 MHz high frequency oscillator disabled

1: 2 MHz high frequency oscillator enabled

lf_osc_on

R/W

This bit enables the internal 32kHz low

frequency oscillator.

0: 32 kHz low frequency oscillator disabled

1: 32 kHz low frequency oscillator enabled

AS7150 Datasheet(PDF) 63 Page - ams-OSRAM AG

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