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[v1-01] 2019-Aug-20

TMG49037 − Register Description

Calibration Status Register (CALIBSTAT 0xDC)

Figure 67:

Calibration Status Register

Reserved

ZERO_

DETECTED

BASELINE_

ADJUSTED

OFFSET_

ADJUSTED

CALIB_

FINISHED

Field

Bits

Description

Reserved

7:4

Reserved.

ZERO_DETECTED

Zero Detected. Indicates that zeroes are being detected in

proximity or gesture often enough to exceed the ZERO_WEIGHT

conditions. Recalibration is recommended. Bit generates interrupt if

CIEN is asserted. To prevent interrupt, set ZERO_WEIGHT to zero.

Clear this bit by writing ‘1’ to it.

BASELINE_ADJUSTED

Proximity/Gesture Baseline Adjusted. Indicates that the

proximity baseline, PBSLN, has changed. This may occur in two

ways:

During DC averaging at calibration, if DCAVG_AUTO_BASELINE is

asserted (independent of actual value).

During regular proximity/gesture operation if

DCAVG_AUTO_BASELINE is set and a new PBSLN_MEAS value is

collected that is lower than previous PBSLN).

Bit generates interrupt if CIEN is asserted. To prevent interrupt, set

DCAVG_AUTO_BASELINE and PXDCAVG_AUTO_BASELINE to zero.

Clear bit by writing '1' to it or by writing '1' to INTCLEAR_CINT.

OFFSET_ADJUSTED

Proximity/Gesture Offset Adjusted. Indicates that one or more

proximity/gesture offset register values were automatically

adjusted. Bit generates interrupt if CIEN is asserted. To prevent

interrupt, set DCAVG_AUTO_OFFSET_ADJUST and

PROX_AUTO_OFFSET_ADJUST to zero. Clear bit by writing '1' to it.

CALIB_FINISHED

Calibration Finished. Indicates that calibration is complete. Bit

generates interrupt if CIEN is asserted. Clear bit by writing '1' to it.

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