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CHAPTER 19 FCAN CONTROLLER (V850/SC3)
User’s Manual U15109EJ3V0UD
646
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Operation in error status
Table 19-20. Operation in Error Status
Error Status
Operation
Error active
When the bus is idle, the transmit enable mode is set for each node. Transmission then starts
from a node.
Error passive
After the 8-bit bus idle field (suspend transmission), the transmit enable mode is set. Receive
mode is set if a transmission starts from a different node in bus idle mode (the transmission
priority of the local node is lowered).
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Operation when the third bit of the intermission field is dominant level
Table 19-21. Operation When Third Bit of Intermission Is Dominant Level
Error Status
Operation
No pending transmissions
A receive operation is performed when start of frame output by the other node is detected.
Pending transmission exists
The identifier is transmitted when start of frame output by the local node is detected.