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IIS2MDC Datasheet(PDF) 33 Page - STMicroelectronics

Part # IIS2MDC
Description  High-accuracy, ultra-low-power, 3-axis digital output magnetometer
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

IIS2MDC Datasheet(HTML) 33 Page - STMicroelectronics

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IIS2MDC
Register description
40
8.9
INT_SOURCE_REG (64h)
When interrupt latched is selected, reading this register resets all the bits in this register.
Table 34. INT_SOURCE_REG register
Table 35. INT_SOURCE_REG register description
8.10
INT_THS_L_REG (65h)
This register contains the least significant bits of the threshold value chosen for the interrupt.
Table 36. INT_THS_L_REG register
Table 37. INT_THS_L_REG register description
8.11
INT_THS_H_REG (66h)
This register contains the most significant bits of the threshold value chosen for the
interrupt.
Table 38. INT_THS_H_REG register
Table 39. INT_THS_H_REG register description
These registers set the threshold value for the output to generate the interrupt (INT bit in
INT_SOURCE_REG (64h)). This threshold is common to all three (axes) output values and
is unsigned unipolar. The threshold value is correlated to the current gain and it is unsigned
because the threshold is considered as an absolute value, but crossing the threshold is
detected for both positive and negative sides.
P_TH_S_
X
P_TH_S_
Y
P_TH_S_
Z
N_TH_S_
X
N_TH_S_
Y
N_TH_S_
Z
MROI
INT
P_TH_S_X
X-axis value exceeds the threshold positive side
P_TH_S_Y
Y-axis value exceeds the threshold positive side
P_TH_S_Z
Z-axis value exceeds the threshold positive side
N_TH_S_X
X-axis value exceeds the threshold negative side
N_TH_S_Y
Y-axis value exceeds the threshold negative side
N_TH_S_Z
Z-axis value exceeds the threshold negative side
MROI
MROI flag generation is alway enabled.This flag is reset by reading
INT_SOURCE_REG (64h).
INT
This bit signals when the interrupt event occurs.
TH7
TH6
TH5
TH4
TH3
TH2
TH1
TH0
TH[7:0]
Threshold value for the interrupt.
TH15
TH14
TH13
TH12
TH11
TH10
TH9
TH8
TH[15:8]
Threshold value for the interrupt.



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