R01UH0823EJ0100 Rev.1.00 Page 1258 of 1823
Jul 31, 2019
RX23W Group 36. CAN Module (RSCAN)
36.2.77 Transmit History Buffer Pointer Control Register (THLPCTR0)
THLPC[7:0] Bits (Transmit History Buffer Pointer)
When the THLPC [7:0] bits are set to FFh, the read pointer moves to the next data in the transmit history buffer.
At this time, the THLSTS0.THLMC[3:0] (transmit history buffer unread data counter) value is decremented. After
reading the THLACC0 register, write FFh to the THLPC [7:0] bits.
Write FFh to the THLPC[7:0] bits when the THLCC0.THLE bit is set to 1 (transmit history buffer is used) and the
THLSTS0.THLEMP flag is 0.
Address(es): RSCAN0.THLPCTR0 000A 8384h
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
———————— THLPC[7:0]
Value after reset:
0000000000000000
Bit Symbol Bit Name Description R/W
b7 to b0 THLPC[7:0] Transmit History Buffer Pointer Writing FFh to these bits moves the read pointer to the next
unread data in the transmit history buffer.
W
b15 to b8 — Reserved The write value should be 0. W
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