Figure 3.6 Flowchart Of Initial Setup Of Can Controller - Toshiba TXZ+ Series Reference Manual

Initialize CAN after reset
CAN is in configuration mode:
[CANxMCR]<CCR> = 1 &
[CANxGSR]<CCE> = 1
Set bit timing parameters in
[CANxBCR1] & [CANxBCR2]
Normal operation
requested?
Yes
Set [CANxMCR]<CCR> to "0"
[CANxGSR]<CCE> = 0 ?
Yes
CAN is in normal operation mode
and starts power-up sequence
11 consecutive recessive
bits detected ?
Yes
CAN is bus on and
ready for operation

Figure 3.6 Flowchart of Initial Setup of CAN Controller

CAN is in normal operation mode:
No
Set [CANxMCR]<CCR> to "1"
No
No
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Switch to configuration mode
from normal operation mode
[CANxMCR]<CCR> = 0 &
[CANxGSR]<CCE> = 0
Configuration mode
requested?
Yes
[CANxGSR]<CCE> = 1 ?
Yes
TXZ+ Family
CAN Controller
No
No
2020-10-01
Rev. 1.0