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Section 20 Controller Area Network
Page 992 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
TimeStamp[15:0] (TCNTR at SOF)
TimeStamp[15:0] (TCNTR at SOF)
Tx-Triggered Time (TTT) as Time Reference
1514131211109876543210
0RTRIDE
0 0 NMC ATX DART DLC[3:0]
MBC[2:0]
IDE_
LAFM
0
0
0 0 0 0
1514131211109876543210
0RTRIDE
0 0 NMC ATX DART DLC[3:0]
MBC[2:0]
IDE_
LAFM
0
0
0 0 0 0
EXTID[15:0]
EXTID[17:16]
EXTID_
LAFM[17:16]
EXTID[17:16]
EXTID_
LAFM[17:16]
STDID[10:0]
MSG_DATA_1
MSG_DATA_3
MSG_DATA_5
MSG_DATA_7
MSG_DATA_0 (first Rx/Tx Byte)
MSG_DATA_2
MSG_DATA_4
MSG_DATA_6
Address
Address
Data Bus
Access Size Field Name
H'100 + N*32
H'102 + N*32
H'104 + N*32
H'106 + N*32
H'108 + N*32
H'10A + N*32
H'10C + N*32
H'10E + N*32
H'110 + N*32
H'112 + N*32
H'114 + N*32
STDID_LAFM[10:0]
Word/LW
Word
Word/LW
Word
Byte/Word/LW
Byte/Word
Byte/Word/LW
Byte/Word
Byte/Word
Word
Word
Control 0
LAFM
Data
Control 1
TimeStamp
Trigger Time
Control 1
TimeStamp
MB30 (Time Reference Transmitssion in Time Trigger mode)
MB31 (Time Reference Reception in Time Trigger mode)
EXTID[15:0]
STDID[10:0]
MSG_DATA_1
MSG_DATA_3
MSG_DATA_5
MSG_DATA_7
MSG_DATA_0 (first Rx/Tx Byte)
MSG_DATA_2
MSG_DATA_4
MSG_DATA_6
H'100 + N*32
H'102 + N*32
H'104 + N*32
H'106 + N*32
H'108 + N*32
H'10A + N*32
H'10C + N*32
H'10E + N*32
H'110 + N*32
H'112 + N*32
EXTID_LAFM[15:0]
STDID_LAFM[10:0]
EXTID_LAFM[15:0]
Data Bus
Access Size
Fi
eld Name
Word/LW
Word
Word/LW
Word
Byte/Word/LW
Byte/Word
Byte/Word/LW
Byte/Word
Byte/Word
Word
Control 0
LAFM
Data
Figure 20.3 Mailbox-N Structure (continued)
Notes: 1. All bits shadowed in grey are reserved and must be written LOW. The value returned
by a read may not always be ‘0’ and should not be relied upon.
2. ATX and DART are not supported by Mailbox-0, and the MBC setting of Mailbox-0 is
limited.
3. ID Reorder (MCR15) can change the order of STDID, RTR, IDE and EXTID of both
message control and LAFM.