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FXLS8967AF Datasheet(PDF) 77 Page - NXP Semiconductors |
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FXLS8967AF Datasheet(HTML) 77 Page - NXP Semiconductors |
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77 / 98 page ![]() NXP Semiconductors FXLS8967AF 3-Axis Low-g Accelerometer SDCD_UTHS[11:0] to ensure that the SDCD circuit functions correctly and produces meaningful results. The scaling for this register is always the same as the selected FSR sensitivity. See Section 9 for the sensitivity values corresponding to each of the selectable FSRs. Bit 7 6 5 4 3 2 1 0 Name — — — — SDCD_LTHS[11:8] Reset (BT_MODE = GND) 0 0 0 0 0 0 0 0 Reset (BT_MODE = VDD) 0 0 0 0 1 1 1 1 Access R/W R/W R/W R/W R/W R/W R/W R/W Table 110. SDCD_LTHS_MSB register (address 34h) bit allocation Field Description 3 to 0 SDCD_LTHS[11:8] MSB (nibble) of the signed 12-bit 2's complement lower-threshold value Table 111. SDCD_LTHS_MSB register (address 34h) bit description 15.31.9 SDCD_UTHS_LSB register (address 35h) Sensor Data Change Detection function 12-bit 2's complement upper-threshold least significant byte. SDCD_UTHS[11:0] must always be set to a higher value than SDCD_LTHS[11:0] to ensure that the SDCD circuit functions correctly and produces meaningful results. The scaling for this register is the same as the selected FSR sensitivity. See Section 9 for the sensitivity values corresponding to each of the selectable FSRs. Bit 7 6 5 4 3 2 1 0 Name SDCD_UTHS[7:0] Reset (BT_MODE = GND) 0 0 0 0 0 0 0 0 Reset (BT_MODE = VDD) 0 1 0 0 0 0 0 0 Access R/W R/W R/W R/W R/W R/W R/W R/W Table 112. SDCD_UTHS_LSB register (address 35h) bit allocation Field Description 7 to 0 SDCD_UTHS[7:0] LSB of the signed 12 bit 2's complement upper-threshold value Table 113. SDCD_UTHS_LSB register (address 35h) bit description 15.31.10 SDCD_UTHS_MSB register (address 36h) Sensor Data Change Detection function 12-bit 2's complement upper-threshold most- significant byte (nibble). SDCD_UTHS[11:0] must always be set to a higher value than SDCD_LTHS[11:0] to ensure that the SDCD circuit functions correctly and produces meaningful results. FXLS8967AF All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Objective data sheet Rev. 1 — 27 April 2021 77 / 98 |
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