Renesas R5S72623 User Manual

 
Section 14   Realtime Clock 

 

 

Page 676 of 2108 

 

R01UH0134EJ0400  Rev. 4.00 

 

 Sep 

24, 

2014 

SH7262 Group, SH7264 Group

Figure 14.1 shows the block diagram. 

RHRCNT

RMINCNT

Interrupt

control circuit

RDAYCNT

RYRCNT

RMONCNT

Crystal

oscillator

RTC_X1

RTC_X2

RWKCNT

RHRAR

RMINAR

RDAYAR

RWKAR

Prescaler

32.768 kHz

128 Hz

ARM

PRD

CUP

RCR2

RCR3

RCR1

RFRH

RFRL

RCR5

Operation

control circuit

R64CNT

RSECCNT

RSECAR

Interrupt

signals

RMONAR

RYRAR

Crystal

oscillator

EXTAL

XTAL

 Bus interface

Peripheral  bus

RSECCNT:
RMINCNT:
RHRCNT:
RWKCNT:
RDAYCNT: 
RMONCNT: 
RYRCNT:
R64CNT:
RFRH/L:

Second counter 
Minute counter
Hour counter
Day of week counter
Date counter
Month counter
Year counter
64-Hz counter
Frequency register

RSECAR:
RMINAR: 
RHRAR:
RWKAR:
RDAYAR:
RMONAR:
RYRAR:
RCR1:
RCR2:
RCR3:
RCR5:

Second alarm register 
Minute alarm register
Hour alarm register 
Day of week alarm register
Date alarm register
Month alarm register
Year alarm register
Control register 1
Control register 2
Control register 3
Control register 5

[Legend]