Nuvoton ARM Cortex NuMicro M451 Series Technical Reference Manual page 913

Transmission Request Register 2 (CAN_TXREQ2)
Register Offset
CAN_TXREQ2 CAN_BA+0x104
31 30
23 22
15 14
7 6
Bits Description
[31:16] Reserved
[15:0] TxRqst32-17
May. 4, 2018
R/W Description
R Transmission Request Register 2
29 28
Reserved
21 20
Reserved
13 12
TxRqst32-25
5 4
TxRqst24-17
Reserved.
Transmission Request Bits 32-17 (of All Message Objects)
0 = This Message Object is not waiting for transmission.
1 = The transmission of this Message Object is requested and is not yet done.
These bits are read only.
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27 26 25
19 18 17
11 10
3 2
M451
Reset Value
0x0000_0000
24
16
9 8
1 0
Rev.2.08