TX=RESET, LBCK=DISABLED
Test Register
| LBCK | Loop Back Mode (read/write) 0 (DISABLED): Reset value. Loop Back mode is disabled. 1 (ENABLED): Loop Back mode is enabled (see Section 1.5.1.9).  |  
| TX | Control of Transmit Pin (read/write) 0 (RESET): Reset value, CANTX controlled by the CAN Core, updated at the end of the CAN bit time. 1 (SAMPLE_POINT_MONITORING): Sample Point can be monitored at pin CANTX. 2 (DOMINANT): Dominant (‘0’) level at pin CANTX. 3 (RECESSIVE): Recessive (‘1’) at pin CANTX.  |  
| RX | Receive Pin (read-only)  |  
| TDCV | Transceiver Delay Compensation Value (read-only)  |