MC9S12XD256CAL Datasheet, PDF (475/1348 Pages) Freescale Semiconductor, Inc – This specification describes the function of the clocks and reset generator (CRG).

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