Freescale Semiconductor, Inc.
MSCAN Controller
• Closed filter. No CAN message will be copied into the foreground
buffer RxFG, and the RXF flag will never be set.
ID28 IDR0 ID21 ID20 IDR1 ID15 ID14 IDR2
ID10 IDR0 ID3 ID2 IDR1 IDE
ID7 ID6 IDR3 RTR
AM7 CIDMRO AM0 AM7 CIDMR1 AM0 AM7CIDMR2 AM0 AM7CIDMR3 AM0
AC7 CIDARO AC0 AC7 CIDAR1 AC0 AC7 CIDAR2 AC0 AC7 CIDAR3 AC0
ID accepted (Filter 0 hit)
Figure 17-3. 32-bit Maskable Identifier Acceptance Filters
ID28 IDR0 ID21 ID20 IDR1 ID15 ID14 IDR2
ID10 IDR0 ID3 ID2 IDR1 IDE
ID7 ID6 IDR3 RTR
AM7 CIDMRO AM0 AM7 CIDMR1 AM0
AC7 CIDARO AC0 AC7 CIDAR1 AC0
ID accepted (Filter 0 hit)
AM7 CIDMR2 AM0 AM7 CIDMR3 AM0
AC7 CIDAR2 AC0 AC7 CIDAR3 AC0
ID accepted (Filter 1 hit)
Figure 17-4. 16-bit Maskable Acceptance Filters
Technical Data
MC68HC912DG128 — Rev 3.0
MSCAN Controller
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