MC9S12XD256CAG Datasheet, PDF (475/1348 Pages) Freescale Semiconductor, Inc – MC9S12XDP512 Data Sheet

Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV3)
If the MSCAN is configured for user request (BORM set in Section 10.3.2.2, “MSCAN Control Register
1 (CANCTL1)”), the recovery from bus-off starts after both independent events have become true:
• 128 occurrences of 11 consecutive recessive bits on the CAN bus have been monitored
• BOHOLD in Section 10.3.2.14, “MSCAN Miscellaneous Register (CANMISC) has been cleared
by the user
These two events may occur in any order.
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
475