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RTI Control Registers
621
SPNU563A–March 2018
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Real-Time Interrupt (RTI) Module
17.3.34 Digital Windowed Watchdog Window Size Control (RTIWWDSIZECTRL)
This register selects the DWWD window size. This register is shown in Figure 17-45 and described in
Table 17-36.
Figure 17-45. Digital Windowed Watchdog Window Size Control (RTIWWDSIZECTRL) [offset = A8h]
31 16
WWDSIZE
R/WP-0000
15 0
WWDSIZE
R/WP-0005h
LEGEND: R/W = Read/Write; WP = Write in privileged mode only; -n = value after reset
Table 17-36. Digital Windowed Watchdog Window Size Control (RTIWWDSIZECTRL)
Field Descriptions
Bit Field Value Description
31-0 WWDSIZE 0 The DWWD window size
0000 0005h 100% (The functionality is the same as the standard time-out digital watchdog.)
0000 0050h 50%
0000 0500h 25%
0000 5000h 12.5%
0005 0000h 6.25%
All other values 3.125%
Note: The DWWD window size can be selected by the application even when the DWWD
counter is already enabled. If a change to the WWDSIZE is made before the watchdog service
window is opened, then the change in the configuration takes effect immediately. If a change to
the WWDSIZE is made when the watchdog service window is already open, then the change in
configuration takes effect only after the watchdog is serviced.
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