Hitachi H8S/2646 Hardware Manual page 913

MBCR—Mailbox Configuration Register
Bit 15
MBCR7
Initial value 0
Read/Write R/W
Bit 7
MBCR15
Initial value 0
R/W
Read/Write
TXPR—Transmit Wait Register
Bit 15
TXPR7
Initial value 0
Read/Write R/W
Bit 7
TXPR15
Initial value 0
R/W
Read/Write
14 13
MBCR6 MBCR5
0 0
R/W R/W
6 5
MBCR14 MBCR13 MBCR12
0 0
R/W R/W
Mailbox Setting Register
0
1
14 13
TXPR6 TXPR5
0 0
R/W R/W
6 5
TXPR14 TXPR13 TXPR12
0 0
R/W R/W
Transmit Wait Register
0 Transmit message idle state in corresponding mailbox
[Clearing condition]
Message transmission completion and cancellation completion
1 Transmit message transmit wait in corresponding mailbox
(CAN bus arbitration)
H'F804
12 11
MBCR4 MBCR3 MBCR2
0 0
R/W R/W
4 3
MBCR11 MBCR10
0 0
R/W R/W
Corresponding mailbox is set for transmission
Corresponding mailbox is set for reception
H'F806
12 11
TXPR4 TXPR3 TXPR2
0 0
R/W R/W
4 3
TXPR11 TXPR10
0 0
R/W R/W
10 9
MBCR1
0 0
R/W R/W
2 1
MBCR9 MBCR8
0 0
R/W R/W R/W
10 9
TXPR1
0 0
R/W R/W
2 1
TXPR9 TXPR8
0 0
R/W R/W R/W
HCAN
8
—
1
—
0
0
HCAN
8
—
0
—
0
0
881