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Chapter 16
FCAN Controller
User’s Manual U16702EE3V2UD00
Figure 16-76:
Bus-Off Recovery
Remark:
OPMODE: Normal operation mode, normal operation mode with ABT, receive-only mode,
single-shot mode, self-test mode.
START
Access to register other than
CnCTRL and CnGMCTRL
registers
INIT mode?
Set CnCTRL register.
(Clear OPMODE)
Forced recovery
from bus off?
END
Yes
BOFF = 1?
Yes
No
Set CCERC bit.
Set CCERC bit = 1
Clear CCERC bit = 0
Set CnCTRL register.
(Set OPMODE)
Wait for recovery
from bus off.
Set CnCTRL register.
(Set OPMODE)
No
Yes
No
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