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AUX – Sensor Controller Registers

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17.8.2.5 TRIGSRC Register (Offset = 10h) [reset = X]

TRIGSRC is shown in Figure 17-14 and described in Table 17-33.

Trigger Source TDC start/stop trigger source selection

Figure 17-14. TRIGSRC Register

31 30 29 28 27 26 25 24

RESERVED

R-X

23 22 21 20 19 18 17 16

RESERVED

R-X

15 14 13 12 11 10 9 8

RESERVED STOP_POL STOP_SRC

R-X R/W-X R/W-X

7 6 5 4 3 2 1 0

RESERVED START_POL START_SRC

R-X R/W-X R/W-X

Table 17-33. TRIGSRC Register Field Descriptions

Bit Field Type Reset Description

31-14 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.

13 STOP_POL R/W X

Polarity of stop signal. Note! Must not be changed if STAT.STATE is

not IDLE

0h = TDC stops when high level is detected

1h = TDC stops when low level is detected

1226

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

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