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Table 25-15. Mask examples for Normal/Extended Messages (continued)
MB14-Id
Rx_Global_Mas
k
Rx_Msg in
Rx_Msg in
Rx_Msg in
Rx_Msg in
Rx_Msg in
Rx_14_Mask
Rx_Msg in
Rx_Msg in
1
Match for Extended Format (MB3).
2
Match for Standard Format. (MB2).
3
Un-Match for MB3 because of ID0.
4
Un-Match for MB2 because of ID28.
5
Un-Match for MB3 because of ID28, Match for MB14.
6
Un-Match for MB14 because of ID27.
7
Match for MB14.
25.5.7.1 Receive Mask Registers (RXGMASK, RX14MASK, RX15MASK)
The Rx global mask register (RXGMASK) is composed of 4 bytes. The mask bits are
applied to all Rx-Identifiers excluding Rx-buffers 14-15, that have their specific Rx-mask
registers (RX14MASK and RX15MASK).
31
Field
Reset
R/W
15
Field
Reset
R/W
Address
IPSBAR + 0x1C_0010 (RXGMASK), 0x1C_0014 (RX14MASK), 0x1C_0018 (RX15MASK)
Figure 25-12. Rx Mask Registers (RXGMASK, RX14MASK, and RX15MASK)
MOTOROLA
Base ID
ID28.................ID18
1 1 1 1 1 1 1 1 0 0 0
1 1 1 1 1 1 1 1 1 1 0
1 1 1 1 1 1 1 1 0 0 1
1 1 1 1 1 1 1 1 0 0 1
1 1 1 1 1 1 1 1 0 0 1
0 1 1 1 1 1 1 1 0 0 0
0 1 1 1 1 1 1 1 0 0 0
0 1 1 1 1 1 1 1 1 1 1
1 0 1 1 1 1 1 1 0 0 0
0 1 1 1 1 1 1 1 0 0 0
MID[28:18]
1111_1111_1110_1111
1111_1111_1111_1110
Chapter 25. FlexCAN
I
Extended ID
D
ID17......................................ID0
E
1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1
1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
0
1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0
0
1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0
1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
1
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
21
R/W
MID[14:0]
R/W
Programmer's Model
Match
1
3
2
2
3
4
5
6
7
14
20
19
18
17
16
—
MID[17:15]
1
—
0
25-27
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