User manual

AUX – Sensor Controller Registers

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17.8.2.7 TRIGCNTLOAD Register (Offset = 18h) [reset = X]

TRIGCNTLOAD is shown in Figure 17-16 and described in Table 17-35.

Trigger Counter Load Stop counter control of TDC

Figure 17-16. TRIGCNTLOAD Register

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

RESERVED CNT

R-X R/W-X

Table 17-35. TRIGCNTLOAD Register Field Descriptions

Bit Field Type Reset Description

31-16 RESERVED R X

Software should not rely on the value of a reserved. Writing any

other value than the reset value may result in undefined behavior.

15-0 CNT R/W X

Selects the number of stop events that will be ignored by the TDC.

This can be used to measure multiple periods of a clock signal. The

value written to this field is loaded into the stop counter at the start of

each measurement. Note! Both values 0 and 1 will make the TDC

stop on the first event after the start event Note! Must not be

changed if STAT.STATE is not IDLE

1230

AUX – Sensor Controller with Digital and Analog Peripherals SWCU117A–February 2015–Revised March 2015

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