NEC UPD703116 User Manual page 600

Figure 11-32. CAN1 Synchronization Control Register (C1SYNC) Settings
Set sampling for
one location only
Note The setting of m = 2, 3 is reserved for setting sample point extension, and is not compliant with the
CAN protocol specifications.
Remark BTL = 1/f
BTL
600
CHAPTER 11 FCAN CONTROLLER
START
Set data bit time
(DBT4 to DBT0)
Set sampling point
(SPT4 to SPT0)
Set SJW
(SJW1, SJW0)
Set once-only
(single shot) sampling
Yes
SAMP = 0
(f : CAN protocol layer base system clock)
BTL
User's Manual U14492EJ5V0UD
1 bit time = BTL × (m + 1)
m = 7 to 24 (set using bits DBT4 to DBT0)
Sampling point = BTL × (m + 1)
m = 2 to 16 (set using bits SPT4 to SPT0)
× (m + 1)
SJW = BTL
m = 0 to 3 (set using bits SJW1 and SJW0)
No
SAMP = 1
Set sampling for
three locations
Note