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Section 20 Controller Area Network
R01UH0134EJ0400 Rev. 4.00 Page 1029 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit[15:0]: TXPR1 Description
0 Transmit message idle state in corresponding mailbox (Initial value)
[Clearing Condition]
Completion of message transmission (for Event Triggered Messages) or
message transmission abortion (automatically cleared)
1 Transmission request made for corresponding mailbox
TXPR0
1514131211109876543210
0000000000000000
R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R/W* R
TXPR0[15:1]
Bit:
Initial value:
R/W:
-
Note: * It is possible only to write a '1' for a Mailbox configured as transmitter.
Bit 15 to 1 — Indicates that the corresponding Mailbox is requested to transmit a CAN Frame.
The bit 15 to 1 corresponds to Mailbox-15 to 1 respectively. When multiple bits are set, the order
of the transmissions is governed by the MCR2 – CAN-ID or Mailbox number.
Bit[15:1]: TXPR0 Description
0 Transmit message idle state in corresponding mailbox (Initial value)
[Clearing Condition]
Completion of message transmission (for Event Triggered Messages) or
message transmission abortion (automatically cleared)
1 Transmission request made for corresponding mailbox
Bit 0— Reserved: This bit is always '0' as this is a receive-only Mailbox. Writing a '1' to this bit
position has no effect. The returned value is '0'.