LMP90100MHESLASHNOPB datasheet(59/69 Pages) TI1

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LMP90100

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SNAS510P – JANUARY 2011 – REVISED MARCH 2013

Table 21. SCALCN: System Calibration Control (Address 0x17)

Bit

Bit Symbol

Bit Description

[7:2]

Reserved

System Calibration Control

When written, set SCALCN to:

0x0 (default): Normal Mode

0x1: “System Calibration Offset Coefficient Determination” mode

0x2: “System Calibration Gain Coefficient Determination” mode

0x3: Reserved

[1:0]

SCALCN

When read, this bit indicates the system calibration mode is in:

0x0: Normal Mode

0x1: "System Calibration Offset Coefficient Determination" mode

0x2: "System Calibration Gain Coefficient Determination" mode

0x3: Reserved

Note: when read, this bit will indicate the current System Calibration status. Since this coefficient

determination mode will only take 1 conversion cycle, reading this register will only return 0x00,

unless this register is read within 1 conversion window.

Table 22. CHx_SCAL_OFFSET: CH0-CH3 System Calibration Offset Registers (Two's-Complement)

ADDR

Name

Description

CH0

CH1

CH2

CH3

0x30

0x38

0x40

0x48

CHx_SCAL_OFFSETH

System Calibration Offset Coefficient Data [23:16]

0x31

0x39

0x41

0x49

CHx_SCAL_OFFSETM

System Calibration Offset Coefficient Data [15:8]

0x32

0x3A

0x42

0x4A

CHx_SCAL_OFFSETL

System Calibration Offset Coefficient Data[7:0]

Table 23. CHx_SCAL_GAIN: CH0-CH3 System Calibration Gain Registers (Fixed Point 1.23 Format)

ADDR

Name

Description

CH0

CH1

CH2

CH3

0x33

0x3B

0x43

0x4B

CHx_SCAL_GAINH

System Calibration Gain Coefficient Data [23:16]

0x34

0x3C

0x44

0x4C

CHx_SCAL_GAINM

System Calibration Gain Coefficient Data [15:8]

0x35

0x3D

0x45

0x4D

CHx_SCAL_GAINL

System Calibration Gain Coefficient Data[7:0]

Table 24. CHx_SCAL_SCALING: CH0-CH3 System Calibration Scaling Coefficient Registers

ADDR

Name

Description

CH0

CH1

CH2

CH3

0x36

0x3E

0x46

0x4E

CHx_SCAL_SCALING

System Calibration Scaling Coefficient Data [5:0]

Table 25. CHx_SCAL_BITS_SELECTOR: CH0-CH3 System Calibration Bits Selector Registers

ADDR

Name

Description

CH0

CH1

CH2

CH3

0x37

0x3F

0x47

0x4F

CHx_SCAL_BITS_SELECTOR

System Calibration Bits Selection Data [2:0]

SENSOR DIAGNOSTIC REGISTERS

Table 26. SENDIAG_THLD: Sensor Diagnostic Threshold (Address 0x14 - 0x15)

Address

Name

0x14

SENDIAG_THLDH

Sensor Diagnostic threshold [15:8]

0x15

SENDIAG_THLDL

Sensor Diagnostic threshold [7:0]

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