Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 12 REAL-TIME COUNTER
R01UH0042EJ0500 Rev.5.00 Page 652 of 1513
Aug 12, 2011
(16) Alarm day-of-week setting register (RC1ALW)
The RC1ALW register is used to set the day-of-week of the alarm.
This register can be read or written in 8-bit units.
Reset sets this register to 00H.
Caution See 12.4.5 Changing INTRTC1 interrupt setting during the real-time counter operation when
rewriting the RC1ALW register while the real-time counter operates (RC1PWR bit = 1).
0 RC1ALW6 RC1ALW5 RC1ALW4 RC1ALW3 RC1ALW2 RC1ALW1 RC1ALW0 RC1ALW
After apply power to RV
DD : 00H R/W Address: FFFFFADCH
Does not generate alarm interrupt if RC1WEEK = nH.
Generates an alarm interrupt if the time specified by using the RC1ALM
and RC1ALH registers is reached while RC1WEEK is set to nH.
RC1ALWn
0
1
Alarm interrupt day-of-week bit (n = 0 to 6)
Remark The relationship between the day-of-week and the RC1WEEK register is described below.
Day of Week RC1WEEK
Sunday 00H
Monday 01H
Tuesday 02H
Wednesday 03H
Thursday 04H
Friday 05H
Saturday 06H