TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.4.18.2 Pulse Length of SYNC signals (0x0982:0x0983)
Bit
Description
ECAT
PDI
Reset Value
0
Pulse length of SyncSignals (in Units of 10ns)
0: Acknowledge mode: SyncSignal will be
cleared by reading SYNC[1:0] Status register
r/-
r/-
0, later EEPROM ADR
0x0002
Table 101: Register 0x0982:0x0983 (SYNC Pulse Length)
6.4.18.3 Activation Status (0x0984)
Bit
Description
ECAT
PDI
Reset Value
0
SYNC0 activation state:
r/-
r/-
0
0: First SYNC0 pulse is not pending
1: First SYNC0 pulse is pending
1
2
SYNC1 activation state:
0: First SYNC1 pulse is not pending
1: First SYNC1 pulse is pending
r/-
r/-
r/-
r/-
0
0
Start Time Cyclic Operation (0x0990:0x0997
)
plausibility check result when Sync Out Unit
was activated:
0: Start Time was within near future
1: Start Time was out of near future (0x0981.6
)
7:3
Reserved
r/-
r/-
0
Table 102: Register 0x0984 (Activation Status)
6.4.18.4 SYNC0 Status (0x098E)
Bit
Description
ECAT
PDI
Reset Value
0
SYNC0 activation state:
0: First SYNC0 pulse is not pending
1: First SYNC0 pulse is pending
r/-
r/
0
(w
ack)*
7:1
Reserved
r/-
r/
0
(w
ack)*
Table 103: Register 0x098E (SYNC0 Status)
* PDI register function acknowledge by Write command is disabled: Reading this register from PDI clears
AL Event Request 0x0220.2. Writing to this register from PDI is not possible.
PDI register function acknowledge by Write command is enabled: Writing this register from PDI clears AL
Event Request 0x0220.2. Writing to this register from PDI is possible; write value is ignored (write 0).
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