TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.4.18 Distributed Clocks SYNC Out Unit
6.4.18.1 SYNC Out Activation (0x0981)
Bit
Description
ECAT
PDI
Reset Value
0
Sync Out Unit activation:
0: Deactivated
1: Activated
r/(w)
r/(w)
0
1
2
3
SYNC0 generation:
0: Deactivated
r/(w)
r/(w)
r/(w)
r/(w)
r/(w)
0
0
0
1: SYNC0 pulse is generated
SYNC1 generation:
0: Deactivated
1: SYNC1 pulse is generated
Auto-activation by writing Start Time Cyclic Op- r/(w)
eration (0x0990:0x0997):
0: Disabled
1: Auto-activation enabled. 0x0981.0 is set au-
tomatically after Start Time is written.
4
5
Extension of Start Time Cyclic Operation r/(w)
(0x0990:0x0993):
r/(w)
r/(w)
0
0
0: No extension
1: Extend 32 bit written Start Time to 64 bit
Start Time plausibility check:
r/(w)
0: Disabled. SyncSignal generation if Start Time
is reached.
1: Immediate SyncSignal generation if Start
Time is outside near future (see 0x0981.6)
6
7
Near future configuration (approx.):
0: 1/2 DC width future (231 ns or 263 ns)
1: 2.1 sec. future (231 ns)
r/(w)
r/(w)
r/(w)
r/(w)
0
0
SyncSignal debug pulse (Vasily bit):
0: Deactivated
1: Immediately generate one ping only on
SYNC0-1 according to 0x0981.(2:1) for debug-
ging
This bit is self-clearing, always read 0.
Table 100: Register 0x0981 (SYNC Out Activation)
Note
Write to this register depends upon setting of 0x0980.0.
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