Rscan0Txqpctrm - Transmit Queue Pointer Control Register (M = 0 Or 1) - Renesas RZ/A Series User Manual

RZ/A1L Group, RZ/A1LU Group, RZ/A1LC Group
21.3.56 RSCAN0TXQPCTRm — Transmit Queue Pointer Control Register (m = 0 or 1)
Access: Can be written in 8-, 16-, and 32-bit units
Address: <RSCAN0_base> + 03E0
Initial value: 0000 0001
H
Bit 31 30 29
— — —
Initial value 0 0 0
R/W R R R
Bit 15 14 13
— — —
0 0 0
Initial value
R/W R R R
Table 21.75
Bit Position
31 to 8
7 to 0
TXQPC[7:0] Bits
Writing FF
generates a transmit request of the message. Write transmit messages to the RSCAN0TMIDp,
RSCAN0TMPTRp, RSCAN0TMDF0p, and RSCAN0TMDF1p registers (p = 15 and 31) before
writing FF
Write FF
used) and the TXQFLL flag in the RSCAN0TXQSTSm register is set to 0 (not full).
R01UH0437EJ0600 Rev.6.00
Jan 29, 2021
+ (m * 0004 )
H H
28 27 26 25
— — — —
0 0 0
R R R R
12 11 10
— — — —
0 0 0
R R R R
RSCAN0TXQPCTRm register contents
Bit Name Function
Reserved The write value should always be 0.
TXQPC[7:0] Transmit Queue Pointer Control
Writing FF
next queue buffer.
Set Value: FF
to the TXQPC[7:0] bits moves the write pointer to the next transmit queue buffer and
H
to the TXQPC[7:0] bits.
H
only when the TXQE bit in the RSCAN0TXQCCm register is set to 1 (the transmit queue is
H
24 23 22
— — —
0 0 0 0
R R R
9 8 7 6
—
0 0 0 0
R W W
to these bits moves the write pointer of the transmit queue to the
H
H
21. CAN Interface
21 20 19 18
— — — —
0 0 0 0
R R R R
5 4 3 2
TXQPC[7:0]
0 0 0 0
W W W W
17 16
— —
0 0
R R
1 0
0 0
W W
21-104