Datasheet

Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV3)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor 475
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.