R01UH0823EJ0100 Rev.1.00
Page 1208 of 1823
Jul 31, 2019
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.
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
—
—
—
—
—
THLES
MES
DEF
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
DLC Error Flag
0: No DLC error is present.
1: A DLC error is present.
R/(W)
*
b1
FIFO Message Lost Status Flag
0: No FIFO message lost error is present.
1: A FIFO message lost error is present.
R
b2
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