HD64F38602R Datasheet, PDF (220/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 11 Realtime Clock (RTC)
11.3.2 Minute Data Register (RMINDR)
RMINDR counts the BCD-coded minute value on the carry generated once per minute by the
RSECDR counting. The setting range is decimal 00 to 59.
Initial
Bit
Bit Name Value R/W Description
7
BSY
—/(0)* R
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.
6
MN12
—/(0)* R/W Counting Ten's Position of Minutes
5
MN11
—/(0)* R/W Counts on 0 to 5 for 60-minute counting.
4
MN10
—/(0)* R/W
3
MN03
—/(0)* R/W Counting One's Position of Minutes
2
MN02
—/(0)* R/W Counts on 0 to 9 once per minute. When a carry is
1
MN01
—/(0)* R/W ^{generated, 1 is added to the ten's position.}
0
MN00
—/(0)* R/W
Note: * Initial value after a reset caused by the RST bit in RTCCR1.
Rev. 3.00 May 15, 2007 Page 188 of 516
REJ09B0152-0300