Control Register
| Init | Init Initialization 1 = Initialization is started. 0 = Normal Operation. |
| IE | Module Interrupt Enable 1 = Enabled. 0 = Disabled. |
| SIE | Status Change Interrupt Enable 1 = Enabled - An interrupt will be generated when a message transfer is successfully completed or a CAN bus error is detected. 0 = Disabled - No Status Change Interrupt will be generated. |
| EIE | Error Interrupt Enable 1 = Enabled - A change in the bits BOff or EWarn in the Status Register will generate an interrupt. 0 = Disabled - No Error Status Interrupt will be generated. |
| DAR | Disable Automatic Re-transmission 1 = Automatic Retransmission disabled. 0 = Automatic Retransmission of disturbed messages enabled. |
| CCE | Configuration Change Enable 1 = Write access to the Bit Timing Register (CAN_BTIME & CAN_BRP) allowed. (while Init bit =1). 0 = No write access to the Bit Timing Register. |
| Test | Test Mode Enable 1 = Test Mode. 0 = Normal Operation. |