h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 677
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h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
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16.2.7
The transmit acknowledge register (TXACK) is a 16-bit readable/writable register containing
status flags that indicate normal transmission of mailbox (buffer) transmit messages.
Note: * Only a write of 1 is permitted, to clear the flag.
Bits 15 to 9 and 7 to 0—Transmit Acknowledge Register (TXACK7 to TXACK1, TXACK15
to TXACK8): These bits indicate that a transmit message in the corresponding HCAN mailbox
has been transmitted normally.
Bit 8—Reserved: This bit always reads 0. The write value should always be 0.
Bit x: TXACKx
0
1
Initial value:
Initial value:
TXACK
Transmit Acknowledge Register (TXACK)
R/W:
R/W:
Bit:
Bit:
TXACK15 TXACK14 TXACK13 TXACK12 TXACK11 TXACK10 TXACK9
TXACK7
R/(W) *
R/(W) *
Description
[Clearing condition]
Completion of message transmission for corresponding mailbox
15
0
7
0
Writing 1
TXACK6
R/(W) *
R/(W) *
14
0
6
0
TXACK5
R/(W) *
R/(W) *
13
0
5
0
TXACK4
R/(W) *
R/(W) *
12
Section 16 Controller Area Network (HCAN)
0
4
0
Rev. 6.00 Feb 22, 2005 page 617 of 1484
TXACK3
R/(W) *
R/(W) *
11
0
3
0
TXACK2
R/(W) *
R/(W) *
10
0
2
0
(x = 15 to 9, 7 to 0)
REJ09B0103-0600
TXACK1
R/(W) *
R/(W) *
9
0
1
0
(Initial value)
TXACK8
R/(W) *
—
R
8
0
0
0
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