15.4.23 CAN Transmit Queue User Address Register(1), (2)

Note:
  1. The individual bytes in this multibyte register can be accessed with the following register names:
    • CxTXQUAT: Accesses the top byte TXQUA[31:24].
    • CxTXQUAU: Accesses the upper byte TXQUA[23:16].
    • CxTXQUA: Accesses the high byte TXQUA[31:0].
  2. This register is not ensured to read correctly in Configuration mode and may only be accessed when the module is not in Configuration mode.
Name: CxTXQUA
Offset: 0x2658, 0x2948

Bit 3130292827262524 
 TXQUA[31:24] 
Access RRRRRRRR 
Reset xxxxxxxx 
Bit 2322212019181716 
 TXQUA[23:16] 
Access RRRRRRRR 
Reset xxxxxxxx 
Bit 15141312111098 
 TXQUA[15:8] 
Access RRRRRRRR 
Reset xxxxxxxx 
Bit 76543210 
 TXQUA[7:0] 
Access RRRRRRRR 
Reset xxxxxxxx 

Bits 31:0 – TXQUA[31:0] TXQ User Address bits

A read of this register will return the address where the next message is to be written (TXQ head).