HD6433682 ETC, HD6433682 Datasheet - Page 167

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

The realtime clock (RTC) is a timer used to count time ranging from a second to a week. Figure
10.1 shows the block diagram of the RTC.
10.1
RTC3000A_000120030300
Counts seconds, minutes, hours, and day-of-week
Start/stop function
Reset function
Readable/writable counter of seconds, minutes, hours, and day-of-week with BCD codes
Periodic (seconds, minutes, hours, days, and weeks) interrupts
8-bit free running counter
Selection of clock source
Features
Section 10 Realtime Clock (RTC)
Rev. 3.00, 05/03, page 137 of 472