SH7059 Datasheet, PDF (522/1042 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

17. Controller Area Network-II (HCAN-II)
Table 17.3 Mailbox Configuration (Setting of MBC[2:0] Bits)
MBC[2]
0
0
0
0
1
1
1
1
MBC[1]
0
0
1
1
0
0
1
1
MBC[0]
0
1
0
1
0
1
0
1
Data Frame Remote Frame Data Frame Remote Frame
Transmission Transmission Reception Reception
Description
Yes
Yes
No
No
• Not allowed for mailbox 0
Yes
Yes
No
Yes
• Can be used with ATX
• Not allowed for mailbox 0
• LAFM can be used
No
No
Yes
Yes
• Allowed for mailbox 0
• LAFM can be used
Setting prohibited
No
Yes
Yes
Yes
• Not allowed for mailbox 0
• LAFM can be used
No
Yes
Yes
No
• Not allowed for mailbox 0
• LAFM can be used
Setting prohibited
Mailbox inactive
Important: If mailbox 31 is used as a transmit buffer, there is a usage limitation. For details, see section 17.8, Usage
Notes.
Message Data Field when TCT = 1:
Register
Name
Address
HCAN0
HCAN1
Data Bus
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MBx[7] to [8] H'108+N•32 H'908+N•32
Cycle_Counter (first Rx/Tx byte)
MSG_DATA_1
MBx[9] to [10] H'10A+N•32 H'90A+N•32
TCNTR[7:0]
TCNTR[15:8]
MBx[11] to [12] H'10C+N•32 H'90C+N•32
MSG_DATA_4
MSG_DATA_5
MBx[13] to [14] H'10E+N•32 H'90E+N•32
MSG_DATA_6
MSG_DATA_7
Big endian
Access
Size
8/16 bits
8/16 bits
8/16 bits
8/16 bits
Field Name
Data
MBx[7] to [8] H'108+N•32 H'908+N•32
MSG_DATA_1
MBx[9] to [10] H'10A+N•32 H'90A+N•32
TCNTR[15:8]
MBx[11] to [12] H'10C+N•32 H'90C+N•32
MSG_DATA_5
MBx[13] to [14] H'10E+N•32 H'90E+N•32
MSG_DATA_7
Little endian
[Legend] x/N: 0 to 31 (Indicates the mailbox number)
Cycle_Counter (first Rx/Tx byte)
TCNTR[7:0]
MSG_DATA_4
MSG_DATA_6
Figure 17.4 Message Data Field
8/16 bits
8/16 bits
8/16 bits
8/16 bits
Data
Rev.3.00 Mar. 12, 2008 Page 432 of 948
REJ09B0177-0300