HD6417750RF240V Datasheet, PDF (427/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 15 Controller Area Network (HCAN)
15.3.4 Mailbox Configuration Register (MBCR)
The mailbox configuration register (MBCR) is a 16-bit register that is used to set the transfer
direction for each mailbox.
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
Initial Value R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
1
R
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
Description
These bits set the transfer direction for the
corresponding mailboxes from 1 to 15. MBCRn
determines the transfer direction for mailbox n
(n = 1 to 15).
0: Corresponding mailbox is set for transmission
1: Corresponding mailbox is set for reception
Bit 8 is reserved. This bit is always read as 1 and
the write value should always be 1.
Rev. 7.00 Sep. 11, 2009 Page 391 of 566
REJ09B0211-0700