h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 924

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Register
TXCR—Transmit Wait Cancel Register
TXACK—Transmit Acknowledge Register
Rev. 5.00 Sep 22, 2005 page 898 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Only 1 can be written, to clear the flag.
TXACK15
TXCR15
TXACK7
TXCR7
R/(W) *
R/(W) *
R/W
R/W
15
15
Transmit Wait Cancel Register
7
0
7
0
0
0
0
1
Transmit message cancellation idle state in corresponding mailbox
[Clearing condition]
Completion of TXPR clearing
TXPR cleared for corresponding mailbox
(when transmit message is canceled normally)
(transmit message cancellation)
TXACK14
TXCR14
TXACK6
R/(W) *
TXCR6
R/(W) *
R/W
R/W
14
14
6
0
6
0
0
0
TXACK13
TXCR13
TXACK5
TXCR5
R/(W) *
R/(W) *
R/W
R/W
13
13
5
0
5
0
0
0
Transmit Acknowledge Register
0
1
TXACK12
TXCR12
TXACK4
TXCR4
[Clearing condition]
Writing 1
Completion of message transmission for
corresponding mailbox
R/(W) *
R/(W) *
R/W
R/W
12
12
4
0
4
0
0
0
TXACK11
TXCR11
TXACK3
TXCR3
R/(W) *
H'F808
H'F80A
R/(W) *
R/W
R/W
11
11
3
0
3
0
0
0
TXACK10
TXCR10
TXACK2
TXCR2
R/(W) *
R/(W) *
R/W
R/W
10
10
2
0
2
0
0
0
TXACK9
TXACK1
TXCR9
TXCR1
R/(W) *
R/(W) *
R/W
R/W
1
0
1
0
9
0
9
0
TXACK8
TXCR8
R/(W) *
R/W
—
—
—
—
0
0
0
0
8
0
8
0
HCAN
HCAN