r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 756

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 19 Controller Area Network (RCAN-ET)
Table 19.1 Roles of Mailboxes
Notes: 1. All bits shadowed in grey are reserved and must be written LOW. The value returned
Rev. 1.00 Sep. 21, 2007 Page 730 of 1124
REJ09B0402-0100
MB15-1
MB0
H'10A + N*32
H'10C + N*32
H'10E + N*32
H'10A + N*32
H'10C + N*32
H'10E + N*32
2. ATX and DART are not supported by Mailbox-0, and the MBC setting of Mailbox-0 is
3. ID Reorder (MCR15) can change the order of STDID, RTR, IDE and EXTID of both
H'100 + N*32
H'102 + N*32
H'104 + N*32
H'106 + N*32
H'108 + N*32
H'100 + N*32
H'102 + N*32
H'104 + N*32
H'106 + N*32
H'108 + N*32
H'110 + N*32
H'110 + N*32
MB0 (reception MB)
MB15-1 (MB for transmission/reception)
Address
Address
by a read may not always be ‘0’ and should not be relied upon.
limited.
message control and LAFM.
LAFM
LAFM
IDE_
IDE_
Tx
OK

IDE
IDE
15
15
0
0
RTR
RTR
14
14
0
0
0
0
MSG_DATA_0 (first Rx/Tx Byte)
MSG_DATA_0 (first Rx/Tx Byte)
NMC
NMC ATX DART
13
13
0
0
0
0
MSG_DATA_2
MSG_DATA_4
MSG_DATA_6
MSG_DATA_2
MSG_DATA_4
MSG_DATA_6
12
12
0
Figure 19.3 Mailbox-N Structure
11
11
0
MBC[1] is fixed to "1"
10
10
MBC[2:0]
MBC[2:0]
9
9
EXTID_LAFM[15:0]
EXTID_LAFM[15:0]
STDID_LAFM[10:0]
STDID_LAFM[10:0]
EXTID[15:0]
EXTID[15:0]
Data Bus
Data Bus
8
8
STDID[10:0]
STDID[10:0]
7
7
0
0
6
6
0
0
Byte: 8-bit access, Word: 16-bit access, LW (LongWord): 32-bit access
5
0
5
0
MSG_DATA_1
MSG_DATA_3
MSG_DATA_5
MSG_DATA_7
MSG_DATA_1
MSG_DATA_3
MSG_DATA_5
MSG_DATA_7
4
4
0
0
Rx
OK
OK
3
3
DLC[3:0]
DLC[3:0]
2
2
EXTID[17:16]
EXTID[17:16]
LAFM[17:16]
LAFM[17:16]
1
1
EXTID_
EXTID_
0
0
Byte/Word/LW
Byte/Word/LW
Byte/Word/LW
Byte/Word/LW
Access Size
Access Size
Byte/Word
Byte/Word
Byte/Word
Byte/Word
Byte/Word
Byte/Word
Word/LW
Word/LW
Word/LW
Word/LW
Word
Word
Word
Word
Field Name
Field Name
Control 0
Control 1
Control 0
Control 1
LAFM
LAFM
Data
Data