Freescale Semiconductor FRDM-FXS-MULTI 데이터 시트

Sensors
Freescale Semiconductor, Inc.

69

This register indicates the status bits for the pulse detection function.

 

The PULSE_THSX, PULSE_THSY and PULSE_THSZ registers define the thresholds used by the system to start the pulse-
event detection procedure. Threshold values for each axis are unsigned 7-bit numbers with a fixed resolution of 0.063 g/LSB, 
corresponding to an 8 g acceleration full-scale range. The full-scale range is fixed at 8 g for the pulse detection function, 
regardless of the settings made in XYZ_DATA_CFG[fs].

pls_src_ea

pls_src_axz

pls_src_axy

pls_src_axx

pls_src_dpe

pls_src_polz

pls_src_poly

pls_src_polx

pls_src_ea

Event active flag. 
0: No interrupt has been generated
1: One or more interrupt events have been generated

pls_src_axz

Z-axis event flag.
0: No interrupt.
1: Z-axis event has occurred

pls_src_axy

Y-axis event flag. 
0: No interrupt.
1: Y-axis event has occurred

pls_src_axx

X-axis event flag. 
0: No interrupt.
1: X-axis event has occurred.

pls_src_dpe

Double pulse on first event. 
0: Single-pulse event triggered interrupt.
1: Double-pulse event triggered interrupt.

pls_src_polz

Pulse polarity of Z-axis event. 
0: Pulse event that triggered interrupt was positive.
1: Pulse event that triggered interrupt was negative.

pls_src_poly

Pulse polarity of Y-axis event. 
0: Pulse event that triggered interrupt was positive.
1: Pulse event that triggered interrupt was negative.

pls_src_polx

Pulse polarity of X-axis event. 
0: Pulse event that triggered interrupt was positive.
1: Pulse event that triggered interrupt was negative.

—

pls_thsx[6:0]

0

0b000_0000

pls_thsx[6:0]

Pulse threshold for X-axis.