R01UH0823EJ0100 Rev.1.00
Page 215 of 1823
Jul 31, 2019
RX23W Group
10. Clock Frequency Accuracy Measurement Circuit (CAC)
10.2.4
CAC Interrupt Request Enable Register (CAICR)
FERRIE Bit (Frequency Error Interrupt Request Enable)
This bit specifies whether the frequency error interrupt request is enabled or disabled.
MENDIE Bit (Measurement End Interrupt Request Enable)
This bit specifies whether the measurement end interrupt request is enabled or disabled.
OVFIE Bit (Overflow Interrupt Request Enable)
This bit specifies whether the overflow interrupt request is enabled or disabled.
Setting this bit to 1 clears the CASTR.FERRF flag.
Setting this bit to 1 clears the CASTR.MENDF flag.
Setting this bit to 1 clears the CASTR.OVFF flag.
Address(es): 0008 B003h
b7
b6
b5
b4
b3
b2
b1
b0
—
OVFFC
L
MENDF
CL
FERRF
CL
—
OVFIE MENDI
E
FERRI
E
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
Frequency Error Interrupt Request
Enable
0: Frequency error interrupt request is disabled.
1: Frequency error interrupt request is enabled.
R/W
b1
Measurement End Interrupt
Request Enable
0: Measurement end interrupt request is disabled.
1: Measurement end interrupt request is enabled.
R/W
b2
Overflow Interrupt Request Enable 0: Overflow interrupt request is disabled.
1: Overflow interrupt request is enabled.
R/W
b3
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
b4
FERRF Clear
When 1 is written to this bit, the CASTR.FERRF flag is
cleared. This bit is read as 0.
R/W
b5
MENDF Clear
When 1 is written to this bit, the CASTR.MENDF flag is
cleared. This bit is read as 0.
R/W
b6
OVFF Clear
When 1 is written to this bit, the CASTR.OVFF flag is cleared.
This bit is read as 0.
R/W
b7
—
Reserved
This bit is read as 0. The write value should be 0.
R/W