Renesas M16C/64A Series User Manual page 409

M16C/64A Group
Table 20.4 Periodic Interrupt Sources
Factor
Periodic interrupt
triggered every week
Periodic interrupt
triggered every day
Periodic interrupt
triggered every hour
Periodic interrupt
triggered every minute
Periodic interrupt
triggered every second
When bits RTCCMP1 to RTCCMP0 are 01b, 10b, or 11b (any compare mode), set the following
according to which registers are compared:
•
When comparing to the RTCCSEC register, set the SEIE bit to 1 (interrupt enabled).
•
When comparing to the RTCCMIN register, set bits SEIE and MNIE to 1.
•
When comparing to the RTCCHR register, set bits SEIE, MNIE, and HRIE to 1.
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
Interrupt Source
Value in RTCWK register is set to 000b (1-week period)
RTCWK register is updated (1-day period)
RTCHR register is updated (1-hour period)
RTCMIN register is updated (1-minute period)
RTCSEC register is updated (1-second period)
20. Real-Time Clock
Interrupt Enable Bit
WKIE
DYIE
HRIE
MNIE
SEIE
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