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TSZ22111

• 15 • 001

BU21180FS

TSZ02201-0L5L0F300930-1-2

06.Aug.2018 Rev.002

0x9D: Drift Calibration

Name:

DRIFT_CAL_CFG

Address:

0x9D

Description:

This register configures the calibration to be performed at detecting the drift state.

ADJ_DET_NUM[4:0]: Drift Calibration Condition

When the register

“Sensor Data” is larger than a quarter value of the register “Switch ON Threshold” or a

value of the register

“Switch OFF Threshold”, the sensor is recognized as the drift state sensor. When the

number of the drift state sensors is larger than ADJ_DET_NUM[4:0], drift state is detected and calibration

is performed.

ADJ_ALL_EN: Drift Calibration Selection

In the case this bit is set to 0, the drift calibration is performed except the sensor with switch ON state. In

the case this bit is set to 1, the drift calibration is performed for all sensors regardless of switch ON / OFF

state.

0: The drift calibration is performed except the sensors with switch ON state.

1: The drift calibration is performed for all sensors regardless of switch ON / OFF state.

Address

R/W

Initial

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

0x9D

R/W

0x09

ADJ_ALL

_EN

ADJ_DET_NUM[4:0]

0x9E: Noise Calibration

Name:

NOISE_CAL_CFG

Address:

0x9E

Description:

This register configures the calibration to be performed at detecting the noise state.

NOISE_DET_NUM[4:0]: Noise Calibration Condition

When the plural sensors are simultaneously the switch ON state, the sensors are recognized as the noise

state sensor. When the number of the noise state sensors is larger than ADJ_DET_NUM[4:0], noise state

is detected and calibration is performed.

NOISE_SFT_EN: Noise Shift Configuration

The noise calibration is performed without the shift of sampling frequency in the case this bit is set to 0.

The calibration is performed after shifting sampling frequency in the case this bit is set to 1.

0: Only noise calibration is performed.

1: The noise calibration is performed after shifting sampling frequency.

Address

R/W

Initial

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

0x9E

R/W

0x89

NOISE

_SFT_EN

NOISE_DET_NUM[4:0]

0x9F: Periodical Calibration

Name:

TIME_PERCAL_CFG

Address:

0x9F

Description:

This register configures the interval time of the periodical calibration. In the case this register is set to 0, the

periodical calibration is not performed. The periodical calibration is performed for the sensors whose the

“Sensor Data” is not larger than the register “Switch ON Threshold”.

Interval time of the periodical calibration = TIME_PERCAL[7:0] x Approximately 5s

Address

R/W

Initial

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

0x9F

R/W

0x3C

TIME_PERCAL[7:0]

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