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21.4.8 Prescaler Setting by Bit Timing Register (BTR)
The setting of bit timing register (BTR) corresponds to the bit time of prescaler in the
CAN specification and the CAN controller segment.
■ Prescaler Settings
The bit time segments defined in the CAN specification, and the CAN controller are shown in Figure
21.4-7 and Figure 21.4-8 respectively.
Figure 21.4-7 Bit Time Segment in CAN Specification
Figure 21.4-8 Bit Time Segment in CAN Controller
Nominal bit time
SYNC_SEG PROP_SEG PHASE_SEG1 PHASE_SEG2
Sample point
Nominal bit time
SYNC_SEG TSEG1 TSEG2
Sample point