HD6433682 ETC, HD6433682 Datasheet - Page 171

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

10.3.3
RHRDR counts the BCD-coded hour value on the carry generated once per hour by RMINDR.
The setting range is either decimal 00 to 11 or 00 to 23 by the selection of the 12/24 bit in
RTCCR1.
Bit
7
6
5
4
3
2
1
0
Bit Name
BSY
—
HR11
HR10
HR03
HR02
HR01
HR00
Hour Data Register (RHRDR)
Initial
Value
—
0
—
—
—
—
—
—
R/W
R
—
R/W
R/W
R/W
R/W
R/W
R/W
Description
RTC busy:
This bit is set to 1 when the RTC is updating (operating)
the values of second, minute, hour, and day-of-week data
registers. When this bit is 0, the values of second, minute,
hour, and day-of-week data registers must be adopted.
Reserved
This bit is always read as 0.
Counting ten’s position of hours:
Counts on 0 to 2 for ten’s position of hours.
Counting one’s position of hours:
Counts on 0 to 9 once per hour. When a carry is
generated, 1 is added to the ten’s position.
Rev. 3.00, 05/03, page 141 of 472