M16C65 Datasheet, PDF (448/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
20. Real-Time Clock
Table 20.4 Periodic Interrupt Sources
Factor
Interrupt Source
Periodic interrupt
Value in RTCWK register is set to 000b (1-week period)
triggered every week
Periodic interrupt
triggered every day
RTCWK register is updated (1-day period)
Periodic interrupt
RTCHR register is updated (1-hour period)
triggered every hour
Periodic interrupt
RTCMIN register is updated (1-minute period)
triggered every minute
Periodic interrupt
RTCSEC register is updated (1-second period)
triggered every second
Interrupt Enable Bit
WKIE
DYIE
HRIE
MNIE
SEIE
When bits RTCCMP1 to RTCCMP0 are 01b, 10b, or 11b (any compare mode), set as follows
depending on what to compare.
• When comparing to the RTCCSEC register, set the SEIE bit to 1 (interrupt enabled).
• When comparing to the RTCCMIN register, set both bits SEIE and MNIE to 1.
• When comparing to the RTCCHR register, set all the bits SEIE, MNIE, and HRIE to 1.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
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