Renesas R5S72621 User Manual
Section 14 Realtime Clock
R01UH0134EJ0400 Rev. 4.00
Page 695 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
14.3.17
Control Register 2 (RCR2)
RCR2 is a register for periodic interrupt control, 30-second adjustment, divider circuit RESET,
and count control.
and count control.
RCR2 is initialized by a power-on reset or in deep standby mode. Bits other than the RTCEN and
START bits are initialized by a manual reset.
START bits are initialized by a manual reset.
0
1
2
3
4
5
6
7
1
0
0
1
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIt:
Initial value:
R/W:
PEF
PES[2:0]
RTCEN
ADJ
RESET START
Bit Bit
Name
Initial
Value
Value
R/W Description
7
PEF
0
R/W
Periodic Interrupt Flag
Indicates interrupt generation with the period designated
by the PES2 to PES0 bits. When set to 1, PEF generates
periodic interrupts.
by the PES2 to PES0 bits. When set to 1, PEF generates
periodic interrupts.
0: Interrupts not generated with the period designated by
the bits PES2 to PES0.
[Clearing condition]
When 0 is written to PEF
1: Interrupts generated with the period designated by the
PES2 to PES0 bits.
[Setting condition]
When an interrupt is generated with the period
designated by the bits PES0 to PES2 or when 1 is
written to the PEF flag
designated by the bits PES0 to PES2 or when 1 is
written to the PEF flag