UPD78F0411GA-GAM-AX Datasheet, PDF (265/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 9 REAL-TIME COUNTER
Figure 9-1. Block Diagram of Real-Time Counter
Real-time counter control register 1 (RTCC1)
WALE WALIE WAFG RIFG RWST RWAIT
Real-time counter control register 0 (RTCC0)
RTCE RCLOE1 RCLOE0 AMPM CT2 CT1 CT0
Alarm week
register
(ALARMWW)
(7-bit)
Alarm hour
register
(ALARMWH)
(6-bit)
Alarm minute
register
(ALARMWM)
(7-bit)
fSUB
RTC1HZ
RIFG
INTRTC
CT0 to CT2
Year count
register
(YEAR)
(8-bit)
1 month
Month count
register
(MONTH)
(5-bit)
Week count
register
(WEEK)
(3-bit)
AMPM
1 day
Day count
register
(DAY)
(6-bit)
1 hour
Hour count
register
(HOUR)
(6-bit)
1 minute
Minute count
register
(MIN)
(7-bit)
Second
count
register
(SEC)
(7-bit)
RWST RWAIT
Wait control
0.5
seconds
Sub-count
register
(RSUBC)
(16-bit)
Count clock
= 32.768 kHz
fRTC
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Count enable/
disable circuit
RTCE
Watch error
correction
register
(SUBCUD)
(8-bit)
Real-time counter clock selection register (RTCCL)
RTCCL1 RTCCL0
Internal bus
Real-time counter control register 2 (RTCC2)
RINTE RCLOE2 RCKDIV ICT2 ICT1 ICT0
fSUB
fPRS/2⁷
fPRS/2⁸
fRTC
12-bit counter
RINTE
INTRTCI
RCKDIV
RCLOE2
RTCDIV/RTCCL
User’s Manual U18698EJ1V0UD
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