R5S72611 RENESAS [Renesas Technology Corp], R5S72611 Datasheet - Page 672

• Manufacturer Part Number: R5S72611
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 15 Realtime Clock (RTC)
Figure 15.1 shows the block diagram of RTC.
Rev. 2.00 Sep. 07, 2007 Page 640 of 1312
REJ09B0320-0200
connected
Externally
[Legend]
RSECCNT:
RMINCNT:
RHRCNT:
RWKCNT:
RDAYCNT:
RMONCNT:
RYRCNT:
R64CNT:
RCR1:
circuit
RTC_X1
RTC_X2
Second counter (8 bits)
Minute counter (8 bits)
Hour counter (8 bits)
Day of week counter (8 bits)
Date counter (8 bits)
Month counter (8 bits)
Year counter (16 bits)
64-Hz counter (8 bits)
RTC control register 1 (8 bits)
Oscillator
circuit
32.768 kHz
RTC operation
control circuit
RCR1
RCR2
RCR3
Prescaler
Figure 15.1 RTC Block Diagram
128 Hz
RSECAR:
RMINAR:
RHRAR:
RWKAR:
RDAYAR:
RMONAR:
RYRAR:
RCR2:
RCR3:
control circuit
R64CNT
Interrupt
Second alarm register (8 bits)
Minute alarm registger (8 bits)
Hour alarm register (8 bits)
Day of week alarm register (8 bits)
Date alarm register (8 bits)
Month alarm register (8 bits)
Year alarm register (16 bits)
RTC control register 2 (8 bits)
RTC control register 3 (8 bits)
RMONCNT
RSECCNT
RDAYCNT
RMINCNT
RWKCNT
RHRCNT
RYRCNT
RMONAR
RSECAR
RDAYAR
RMINAR
RWKAR
RHRAR
RYRAR
Count
ARM
PRD
CUP
Interrupt
signals