Users Manual

Table Of Contents
R01UH0823EJ0110 Rev.1.10 Page 1216 of 1852
Nov 30, 2020
RX23W Group 36. CAN Module (RSCAN)
has returned from global stop mode.
GRAMINIT Flag (CAN RAM Initialization Status Flag)
This flag indicates the initialization status of the CAN RAM.
This flag becomes 1 after the CAN module is enabled, and becomes 0 when CAN RAM initialization is completed.
36.2.14 Global Error Flag Register (GERFLL)
Note 1. Only 0 can be written to this bit, to clear the flag. Writing 1 does not affect the flag value.
All flags in the GERFLL register become 0 in global reset mode.
DEF Flag (DLC Error Flag)
The DEF flag becomes 1 when an error has been detected during the DLC check. This flag can be set to 0 by writing 0 by
the program.
MES Flag (FIFO Message Lost Status Flag)
The MES flag becomes 1 when any one of the RFSTSm.RFMLT flags or the CFSTS0.CFMLT flag becomes 1.
This flag becomes 0 when all RFSTSm.RFMLT flags and the CFSTS0.CFMLT flag are set to 0.
THLES Flag (Transmit History Buffer Overflow Status Flag)
The THLES flag becomes 1 when the THLSTS0.THLELT flag becomes 1.
This flag becomes 0 when the THLSTS0.THLELT flag is set to 0.
Address(es): RSCAN.GERFLL 000A 832Ch
b7 b6 b5 b4 b3 b2 b1 b0
—————THLESMESDEF
Value after reset:
00000000
Bit Symbol Bit Name Description R/W
b0 DEF DLC Error Flag 0: No DLC error is present.
1: A DLC error is present.
R/(W)
*
1
b1 MES FIFO Message Lost Status Flag 0: No FIFO message lost error is present.
1: A FIFO message lost error is present.
R
b2 THLES Transmit History Buffer
Overflow Status Flag
0: No transmit history buffer overflow is present.
1: A transmit history buffer overflow is present.
R
b7 to b3 Reserved The read value is undefined. The write value should be 0. R/W