DCAN Registers
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Table 23-69. RIOC Register Field Descriptions (continued)
Bit Field Type Reset Description
1 Out R/WP 0h CAN_RX data out write.
This bit is only active when CAN_RX pin is configured to be in GIO
mode (TIOC.Func = 0) and configured to be an output pin (TIOC.Dir
= 1).
The value of this bit indicates the value to be output to the CAN_RX
pin.
Forced to Tx output of the CAN core, if Init bit of CAN control
register is reset.
0x0 = The CAN_RX pin is driven to logic low
0x1 = The CAN_RX pin is driven to logic high
0 In R 0h CAN_RX data in.
Note: When CAN_RX pin is connected to a CAN transceiver, an
external pullup resistor has to be used to ensure that the CAN bus
will not be disturbed (for example, while reset of the DCAN module).
0x0 = The CAN_RX pin is at logic low
0x1 = The CAN_RX pin is at logic high
3992
Controller Area Network (CAN) SPRUH73H–October 2011–Revised April 2013
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