RL78/F13, F14 CHAPTER 18 CAN INTERFACE (RS-CAN LITE)
R01UH0368EJ0210 Rev.2.10 1365
Dec 10, 2015
18.3.68 CANi Transmit Buffer Register pAH (TMIDHp) (i = 0) (p = 0 to 3)
Address TMIDH0L: F0602H, TMIDH0H: F0603H TMIDH1L: F0612H, TMIDH1H: F0613H
TMIDH2L: F0622H, TMIDH2H: F0623H TMIDH3L: F0632H, TMIDH3H: F0633H
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
TMIDE TMRTR THLEN TMID[28:16]
After Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit Symbol Bit Name Description R/W
15 TMIDE Transmit Buffer IDE 0: Standard ID
1: Extended ID
R/W
14 TMRTR Transmit Buffer RTR 0: Data frame
1: Remote frame
R/W
13 THLEN Transmit History Data Store Enable 0: Transmit history data is not stored in the buffer.
1: Transmit history data is stored in the buffer.
R/W
12 to 0 TMID[28:16] Transmit Buffer ID Data H Set standard ID or extended ID.
For standard ID, write 0 to these bits.
R/W
Modify this register when the TMTRM bit in the corresponding TMSTSp register is set to 0 (no transmit request is
present). If this register is linked to any transmit/receive FIFO buffer, do not write data to this register.
This register can be read/written when the RPAGE bit in the GRWCR register is 1.
• TMIDE Bit
This bit is used to set the ID format of the message to be transmitted from the transmit buffer.
• TMRTR Bit
This bit is used to set the data format of the message to be transmitted from the transmit buffer.
• THLEN Bit
When this bit is set to 1, the transmit history data (label information, buffer number, and buffer type) of transmit
messages is stored in the transmit history buffer after transmission is completed.
• TMID[28:16] Bits
These bits are used to set the ID of the message to be transmitted from the transmit buffer.
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