SH7205 Datasheet, PDF (968/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 20 Controller Area Network (RCAN-TL1)
Table 20.1 Roles of Mailboxes
MB31
MB30
MB29 - 24
MB23 - 16
MB15 - 1
MB0
Event Trigger
Time Trigger
Remark
Tx
Rx
Tx
Tx-Trigger
Rx
TimeStamp Time
Settable Settable 
Time reference Available 
reception
Settable Settable Time reference Reception in Available
transmission in time slave mode
time master mode
Available
Settable Settable Settable
Settable

Available
Settable Settable  (ET)
Settable


Settable Settable  (ET)
Settable
Available 

Settable 
Settable
Available 
(ET) shows that it works during merged arbitrating window, after completion of time-triggered
transmission.
MB0 (reception MB with timestamp)
Byte: 8-bit access, Word: 16-bit access, LW (LongWord) : 32-bit access
Data Bus
Address
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Access Size
Field Name
H'100 + N*32 IDE RTR 0
H'102 + N*32
H'104 + N*32
IDE_
LAFM
0
0
H'106 + N*32
STDID[10:0]
EXTID[15:0]
STDID_LAFM[10:0]
EXTID_LAFM[15:0]
EXTID[17:16]
EXTID_
LAFM[17:16]
Word/LW
Word
Word/LW
Word
Control 0
LAFM
H'108 + N*32
MSG_DATA_0 (first Rx/Tx Byte)
MSG_DATA_1
Byte/Word/LW
H'10A + N*32
H'10C + N*32
MSG_DATA_2
MSG_DATA_4
MSG_DATA_3
MSG_DATA_5
Byte/Word
Byte/Word/LW
Data
H'10E + N*32
H'110 + N*32 0
H'112 + N*32
MSG_DATA_6
MSG_DATA_7
0 NMC 0
0
MBC[2:0]
0
0
0
0
DLC[3:0]
TimeStamp[15:0] (CYCTR[15:0] or CCR[5:0]/CYCTR[15:6] at SOF)
Byte/Word
Byte/Word
Word
Control 1
TimeStamp
MBC[1] is fixed to "1"
MB15 to 1 (MB with timestamp)
Data Bus
Address
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
H'100 + N*32 IDE RTR 0
H'102 + N*32
H'104 + N*32
IDE_
LAFM
0
0
H'106 + N*32
STDID[10:0]
EXTID[15:0]
STDID_LAFM[10:0]
EXTID_LAFM[15:0]
EXTID[17:16]
EXTID_
LAFM[17:16]
H'108 + N*32
MSG_DATA_0 (first Rx/Tx Byte)
MSG_DATA_1
H'10A + N*32
MSG_DATA_2
MSG_DATA_3
H'10C + N*32
MSG_DATA_4
MSG_DATA_5
H'10E + N*32
MSG_DATA_6
MSG_DATA_7
H'110 + N*32 0
0 NMC ATX DART
MBC[2:0]
0
0
0
0
DLC[3:0]
H'112 + N*32
TimeStamp[15:0] (CYCTR[15:0] or CCR[5:0]/CYCTR[15:6] at SOF)
Access Size
Word/LW
Word
Word/LW
Word
Byte/Word/LW
Byte/Word
Byte/Word/LW
Byte/Word
Byte/Word
Word
Field Name
Control 0
LAFM
Data
Control 1
TimeStamp
Figure 20.3 Mailbox-N Structure
Rev. 1.00 Mar. 25, 2008 Page 936 of 1868
REJ09B0372-0100