38.13.11 CxTXREQ

CAN Transmit Request Register
Note:
  1. The individual bytes in this multibyte register can be accessed with the following register names:
    • CxTXREQT: Accesses the top byte TXREQ[31:24]
    • CxTXREQU: Accesses the upper byte TXREQ[23:16]
    • CxTXREQH: Accesses the high byte TXREQ[15:8]
    • CxTXREQL: Accesses the low byte TXREQ[7:0]
  2. These bits are only valid if the associated objects are configured as transmit objects (TXEN = 1). Otherwise, setting them has no effect.
Name: CxTXREQ
Offset: 0x0130

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
     TXREQ[3:0] 
Access R/WR/WR/WR/W 
Reset 0000 

Bits 3:0 – TXREQ[3:0] Message Send Request

Setting each bit to ‘1’ requests sending a message in its respective object. The bit will automatically clear when the message(s) queued in the object is (are) successfully sent. This bit can NOT be used for aborting a transmission.
The individual bytes in this multibyte register can be accessed with the following register names: CxTXREQT: Accesses the top byte TXREQ[31:24] CxTXREQU: Accesses the upper byte TXREQ[23:16] CxTXREQH: Accesses the high byte TXREQ[15:8] CxTXREQL: Accesses the low byte TXREQ[7:0] These bits are only valid if the associated objects are configured as transmit objects (TXEN = 1). Otherwise, setting them has no effect.