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eCAN Registers
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SPRUI07–March 2020
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Controller Area Network (CAN)
13.8.17 eCAN I/O Control Registers (CANTIOC, CANRIOC)
The CANTX and CANRX pins should be configured for CAN use. This is done using the CANTIOC and
CANRIOC registers.
Figure 13-31. TX I/O Control Register (CANTIOC)
31 16
Reserved
R-0
15 4 3 2 0
Reserved TXFUNC Reserved
R-0 RWP-0
LEGEND: RWP = Read in all modes, write in EALLOW-mode only; R = Read only; -n = value after reset
Table 13-27. TX I/O Control Register (CANTIOC) Field Descriptions
Bit Field Value Description
31:4 Reserved Reads are undefined and writes have no effect.
3 TXFUNC This bit must be set for CAN module function.
1 The CANTX pin is used for the CAN transmit functions.
0 Reserved
2:0 Reserved Reserved
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