TMG49037 datasheet(56/79 Pages) OSRAM

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ams Datasheet

Page 55

[v1-01] 2019-Aug-20

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TMG49037 − Register Description

Calibration Configuration Register Zero

(CALIBCFG0 0xD8)

Figure 63:

Calibration Configuration Register Zero

Reserved

DCAVG_

AUTO_OFFSET_

ADJUST

Reserved

ELECTRICAL_

CALIBRATION

BINSRCH_

SKIP

DCAVG_ITERATIONS

Field

Bits

Description

Reserved

Reserved.

DCAVG_AUTO_OFFSET_ADJUST

DC Averaging Auto Offset Adjust. If set, then during DC

averaging, whenever an ADC measurement is zero, the

appropriate offset register will be decreased and the

OFFSET_ADJUSTED flag is set. Note also that DC averaging

is not automatically restarted when this happens, so the

calculated baseline might be wrong. Software could restart

averaging in this case.

Reserved

Reserved.

ELECTRICAL_CALIBRATION

Enable Electrical Calibration. When asserted the

calibration routine will perform an internal electrical

calibration to adjust the proximity offset registers to

remove electrical crosstalk – there is no optical response at

all for this routine. When not asserted, calibration will

measure both optical and electrical crosstalk during

calibration.

BINSRCH_SKIP

Binary Search Skip. When asserted the calibration routine

will skip the binary search step. It is useful if zeroes are

detected during the DC averaging process to manually

reset the baseline and reduce the likelihood of zero counts.

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