HD64F3687GHV Datasheet, PDF (204/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 10 Realtime Clock (RTC)
10.3.2 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
—
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
—
R/W Counting Ten's Position of Minutes
5
MN11
—
R/W Counts on 0 to 5 for 60-minute counting.
4
MN10
—
R/W
3
MN03
—
R/W Counting One's Position of Minutes
2
MN02
—
R/W Counts on 0 to 9 once per minute. When a carry is
1
MN01
—
R/W ^{generated, 1 is added to the ten's position.}
0
MN00
—
R/W
Rev. 3.00 Sep. 10, 2007 Page 170 of 528
REJ09B0216-0300