Freescale Semiconductor, Inc.
MSCAN Controller
IDHIT2 – IDHIT0 — Identifier Acceptance Hit Indicator
The msCAN12 sets these flags to indicate an identifier acceptance hit
(see Identifier Acceptance Filter). Table 17-8 summarizes the
different settings.
Table 17-10I. dentifier Acceptance Hit Indication
IDHIT2
IDHIT1
IDHIT0
Identifier Acceptance Hit
Filter 0 Hit
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Filter 1 Hit
Filter 2 Hit
Filter 3 Hit
Filter 4 Hit
Filter 5 Hit
Filter 6 Hit
Filter 7 Hit
The IDHIT indicators are always related to the message in the
foreground buffer. When a message gets copied from the background to
the foreground buffer the indicators are updated as well.
NOTE: The CIDAC register can only be written if the SFTRES bit in CMCR0 is
set.
17.13.11 msCAN12 Receive Error Counter (CRXERR)
Bit 7
6
5
4
3
2
1
Bit 0
CRXERR
$010E
R
RXERR7
RXERR6
RXERR5
RXERR4
RXERR3
RXERR2
RXERR1
RXERR0
W
RESET
0
0
0
0
0
0
0
0
This register reflects the status of the msCAN12 receive error counter.
The register is read only.
Advance Information
316
68HC(9)12D60 — Rev 4.0
MSCAN Controller
MOTOROLA
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