M16C65 Datasheet, PDF (442/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
20.2.2 Real-Time Clock Minute Data Register (RTCMIN)
20. Real-Time Clock
Real-Time Clock Minute Data Register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
RTCMIN
Address
0341h
Bit Symbol
Bit Name
MN00
Function
After Reset
X000 0000b
Setting
Range
RW
RW
MN01
Count 0 to 9 every minute.
RW
1st digit of minute count bit
When the digit moves up, 1
is added to the 2nd digit of
0 to 9
MN02
minute
RW
MN03
RW
MN10
RW
MN11 2nd digit of minute count bit
When counting 0 to 5, 60
minutes are counted
0 to 5
RW
MN12
RW
—
(b7)
Reserved bit
Read as undefined value
RO
MN03-MN00 (1st Digit of Minute Count Bit) (b3-b0)
MN12-MN10 (2nd Digit of Minute Count Bit) (b6-b4)
Set a value between 00 and 59 by the BCD codes.
These bits become 00 at compare match in compare 2 mode and compare 3 mode.
Write to bits MN12 to MN10 and MN03 to MN00 in the RTCMIN register when both bits TSTART and
TCSTF in the RTCCR1 register are 0 (timer stops). Read when the BSY bit in the RTCSEC is 0 (not
while data is updated).
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
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