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DCAN Registers
23.4.49 IF3DATA Register (offset = 150h) [reset = 0h]
IF3DATA is shown in Figure 23-67 and described in Table 23-62.
The data bytes of CAN messages are stored in the IF3 registers in the following order. In a CAN data
frame, Data 0 is the first, and Data 7 is the last byte to be transmitted or received. In CAN's serial bit
stream, the MSB of each byte will be transmitted first.
Figure 23-67. IF3DATA Register
31 30 29 28 27 26 25 24
Data_3
R-0h
23 22 21 20 19 18 17 16
Data_2
R-0h
15 14 13 12 11 10 9 8
Data_1
R-0h
7 6 5 4 3 2 1 0
Data_0
R-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 23-62. IF3DATA Register Field Descriptions
Bit Field Type Reset Description
31-24 Data_3 R 0h
Data 3.
23-16 Data_2 R 0h
Data 2.
15-8 Data_1 R 0h
Data 1.
7-0 Data_0 R 0h
Data 0.
3983
SPRUH73H–October 2011–Revised April 2013 Controller Area Network (CAN)
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