TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.4.20 Distributed Clocks SyncManager Event Times
6.4.20.1 EtherCAT Buffer Change Event Time (0x09F0:0x09F3)
Bit
Description
ECAT
PDI
Reset Value
31:0
Register captures local time of the beginning r/-
of the frame which causes at least one SM to
assert an ECAT event
r/-
0
Table 117: Register 0x09F0:0x09F3 (ECAT Buffer Change Event Time)
Note
Register bits [31:8] are internally latched (ECAT/PDI independently) when bits [7:0]
are read, which guarantees reading a consistent value.
6.4.20.2 PDI Buffer Start Event Time (0x09F8:0x09FB)
Bit
Description
ECAT
PDI
Reset Value
31:0
Register captures local time when at least one r/-
SyncManager asserts an PDI buffer start event
r/-
0
Table 118: Register 0x09F8:0x09FB (PDI Buffer Start Event Time)
Note
Register bits [31:8] are internally latched (ECAT/PDI independently) when bits [7:0]
are read, which guarantees reading a consistent value.
6.4.20.3 PDI Buffer Change Event Time (0x09FC:0x09FF)
Bit
Description
ECAT
PDI
Reset Value
31:0
Register captures local time when at least one r/-
SyncManager asserts an PDI buffer start event
r/-
0
Table 119: Register 0x09FC:0x09FF (PDI Buffer Change Event Time)
Note
Register bits [31:8] are internally latched (ECAT/PDI independently) when bits [7:0]
are read, which guarantees reading a consistent value.
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