h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 422

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Controller Area Network (HCAN)
15.3.7
TXACK is a 16-bit register containing status flags that indicate the normal transmission of
mailbox (buffer) transmit messages.
Note:
Rev. 3.00 Oct 04, 2005 page 382 of 598
REJ09B0155-0300
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit Name
TXACK7
TXACK6
TXACK5
TXACK4
TXACK3
TXACK2
TXACK1
TXACK15
TXACK14
TXACK13
TXACK12
TXACK11
TXACK10
TXACK9
TXACK8
*
Transmit Acknowledge Register (TXACK)
Only 1 can be written to clear the flag.
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
R/(W) *
Description
These bits are status flags that indicate error-free
transmission of the transmit message in the
corresponding mailboxes 15 to 1. When the
message in mailbox n (n = 15 to 1) has been
transmitted error-free, TXACKn is set to 1.
[Setting condition]
[Clearing condition]
Bit 8 is reserved. This bit is always read as 0.
The write value should always be 0.
Completion of message transmission for
corresponding mailbox
Writing 1