HD64F2638F20J Datasheet, PDF (674/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 16 Controller Area Network (HCAN)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
16.2.4 Mailbox Configuration Register (MBCR)
The mailbox configuration register (MBCR) is a 16-bit readable/writable register that is used to set
mailbox (buffer) transmission/reception.
MBCR
Bit: 15
14
13
12
11
10
9
8
MBCR7 MBCR6 MBCR5 MBCR4 MBCR3 MBCR2 MBCR1
—
Initial value: 0
0
0
0
0
0
0
1
R/W: R/W R/W R/W R/W R/W R/W R/W
R
Bit: 7
6
5
4
3
2
1
MBCR15 MBCR14 MBCR13 MBCR12 MBCR11 MBCR10 MBCR9
Initial value: 0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W
0
MBCR8
0
R/W
Bits 15 to 9 and 7 to 0—Mailbox Setting Register (MBCR7 to MBCR1, MBCR15 to
MBCR8): These bits set the polarity of the corresponding mailboxes.
Bit y: MBCRx
0
1
Description
Corresponding mailbox is set for transmission
(Initial value)
Corresponding mailbox is set for reception
(x = 15 to 1, y = 15 to 9 and 7 to 0)
Bit 8—Reserved: This bit always reads 1. The write value should always be 1.
Page 624 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010