TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.4.9 Watchdogs
6.4.9.1 Watchdog Divider (0x0400:0x0401)
Bit
Description
ECAT
PDI
Reset Value
15:0
Watchdog Time PDI: number or basic watch- r/w
dog increments (Default value with Watchdog
divider 100µs means 100ms Watchdog)
r/-
Table 50: Register 0x0400:0x0401 (WD Divider)
6.4.9.2 Watchdog Time PDI (0x0410:0x0411)
Bit
Description
ECAT
PDI
Reset Value
15:0
Watchdog Time PDI: number or basic watch- r/w
dog increments (Default value with Watchdog
divider 100µs means 100ms Watchdog)
r/-
Table 51: Register 0x0410:0x0411 (WD Time PDI)
Note
Watchdog is disabled if Watchdog time is set to 0x0000. Watchdog is restarted
with every PDI access.
6.4.9.3 Watchdog Time Process Data (0x0420:0x0421)
Bit
Description
ECAT
PDI
Reset Value
15:0
Watchdog Time Process Data: number of basic r/w
watchdog increments
r/-
(Default value with Watchdog divider 100
µ
s
means 100ms Watchdog)
Table 52: Register 0x0420:0x0421 (WD Time PD)
Note
There is one Watchdog for all SyncManagers. Watchdog is disabled if Watchdog
time is set to 0x0000. Watchdog is restarted with every write access to SyncMan-
agers with Watchdog Trigger Enable Bit set.
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