38.7.4 Test

Table 38-21. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: TEST
Offset: 0x10
Reset: 0x00000000
Property: Write-restricted

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
 RXTX[1:0]LBCK     
Access RR/WR/WR/W 
Reset 0000 

Bit 7 – RX Receive Pin

This bit reflects the actual value of pin CANx_RX. The read value can be interpret as follows.
ValueDescription
0 The CAN bus is dominant (CANx_RX = 0).
1 The CAN bus is recessive (CANx_RX = 1).

Bits 6:5 – TX[1:0] Control of Transmit Pin

This field defines the control of the transmit pin.
ValueNameDescription
0x0 CORE Reset value, CANx_TX controlled by CAN core, updated at the end of CAN bit time.
0x1 SAMPLE Sample Point can be monitored at pin CANx_TX.
0x2 DOMINANT Dominant (‘0’) level at pin CANx_TX.
0x3 RECESSIVE Recessive (‘1’) level at pin CANx_TX.

Bit 4 – LBCK Loop Back Mode

ValueDescription
0 Loop Back Mode is disabled.
1 Loop Back Mode is enabled.