TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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6.4.8 Error Counters
Errors are only counted if the corresponding port is enabled.
6.4.8.1 RX Error Counter[3:0] (0x0300:0x0307)
Bit
Description
ECAT
PDI
Reset Value
7:0
Invalid frame counter of Port y (counting is r/
r/-
stopped when 0xFF is reached).
w(clr)
15:8
RX Error counter of Port y (counting is stopped r/
when 0xFF is reached). This is coupled directly w(clr)
to RX ERR of MII interface.
r/-
Table 44: Register 0x0300:0x0307 (RX Err Cnt)
6.4.8.2 Forward RX Error Counter[3:0] (0x0308:0x030B)
Bit
Description
ECAT
PDI
Reset Value
7:0
Forwarded error counter of Port y (counting is r/
stopped when 0xFF is reached). w(clr)
r/-
Table 45: Register 0x0308:0x030B (FW RX Err Cnt)
Note
Error Counters 0x0300
-0x030B are cleared if one of the RX Error counters 0x0300-
0x030B is written. Write value is ignored (write 0).
6.4.8.3 ECAT Processing Unit Error Counter (0x030C)
Bit
Description
ECAT
PDI
Reset Value
7:0
ECAT Processing Unit error counter (counting is r/
stopped when 0xFF is reached). Counts errors w(clr)
of frames passing the Processing Unit (e.g., FCS
is wrong or datagram structure is wrong).
r/-
Table 46: Register 0x030C (Proc. Unit Err Cnt)
Note
Error Counter 0x030C is cleared if error counter 0x030C is written. Write value is
ignored (write 0).
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