Mailbox Configuration Register (Mbcr) - Renesas H8SX/1520 Series Hardware Manual

Section 13 Controller Area Network (HCAN)
13.3.4

Mailbox Configuration Register (MBCR)

MBCR sets the transfer direction for each mailbox.
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
Bit Bit Name
15 MBCR7
14 MBCR6
13 MBCR5
12 MBCR4
11 MBCR3
10 MBCR2
9 MBCR1

8
7 MBCR15
6 MBCR14
5 MBCR13
4 MBCR12
3 MBCR11
2 MBCR10
1 MBCR9
0 MBCR8
Rev. 3.00 Mar. 14, 2006 Page 458 of 804
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15 14
MBCR7 MBCR6 MBCR5
0 0
R/W R/W
7 6
MBCR15 MBCR14 MBCR13
0 0
R/W R/W
Initial
Value
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
13 12 11
MBCR4 MBCR3
0 0 0
R/W R/W R/W
5 4 3
MBCR12 MBCR11
0 0 0
R/W R/W R/W
R/W Description
R/W
These bits set the transfer direction for the
corresponding mailboxes 1 to 15. MBCRn
R/W
determines the transfer direction for mailbox n (n
R/W
=1 to 15).
R/W
0: Corresponding mailbox is set for transmission
R/W
1: Corresponding mailbox is set for reception
R/W
Bit 8 is reserved. This is a read-only bit and cannot
be modified.
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
10 9
MBCR2 MBCR1
0 0
R/W R/W
2 1
MBCR10 MBCR9 MBCR8
0 0
R/W R/W
8
—
1
R
0
0
R/W