HD6432621 Hitachi, HD6432621 Datasheet - Page 574

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

15.2.5
The transmit wait register (TXPR) is a 16-bit readable/writable register that is used to set a
transmit wait after a transmit message is stored in a mailbox (buffer) (CAN bus arbitration wait).
Bits 15 to 9 and 7 to 0—Transmit Wait Register (TXPR7 to TXPR1, TXPR15 to TXPR8):
These bits set a transmit wait for the corresponding mailboxes.
Bit x: TXPRx
0
1
Bit 8—Reserved: This bit always reads 0. The write value should always be 0.
530
Initial value:
Initial value:
TXPR
Transmit Wait Register (TXPR)
R/W:
R/W:
Bit:
Bit:
TXPR15 TXPR14 TXPR13 TXPR12 TXPR11 TXPR10 TXPR9
TXPR7
Description
Transmit message idle state in corresponding mailbox
[Clearing condition]
Message transmission completion and cancellation completion
Transmit message transmit wait in corresponding mailbox (CAN bus
arbitration)
R/W
R/W
15
0
7
0
TXPR6
R/W
R/W
14
0
6
0
TXPR5
R/W
R/W
13
0
5
0
TXPR4
R/W
R/W
12
0
4
0
TXPR3
R/W
R/W
11
0
3
0
TXPR2
R/W
R/W
10
0
2
0
TXPR1
R/W
R/W
9
0
1
0
(Initial value)
TXPR8
R/W
—
8
0
R
0
0