Section 14 Realtime Clock (RTC)
Rev. 0.50 May 18, 2006 Page 668 of 1588
REJ09B0313-0050
Figure 14.1 shows the block diagram of RTC.
RHRCNT
RSECCNT:
RMINCNT:
RHRCNT:
RWKCNT:
RDAYCNT:
RMONCNT:
RYRCNT:
R64CNT:
RCR1:
Second counter
Minute counter
Hour counter
Day of week counter
Date counter
Month counter
Year counter
64-Hz counter
RTC control register 1
RMINCNT
Interrupt
control circuit
RDAYCNT
RYRCNT
RMONCNT
Oscillator
circuit
RTC_X1
RTC_X2
RCR2
RCR3
RWKCNT
RHRAR
RMINAR
RDAYAR
RWKAR
Externally
connected
circuit
Prescaler
32.768 kHz
128 Hz
ARM
PRD
CPU
RCR1
RTC operation
control circuit
R64CNT
RSECCNT
RSECAR
Count
Interrupt
signals
RSECAR:
RMINAR:
RHRAR:
RWKAR:
RDAYAR:
RMONAR:
RYRAR:
RCR2:
RCR3:
Second alarm register
Minute alarm register
Hour alarm register
Day of week alarm register
Date alarm register
Month alarm register
Year alarm register
RTC control register 2
RTC control register 3
RMONAR
RYRAR
[Legend]
Bus interface
Peripheral bus
Figure 14.1 RTC Block Diagram
Summary of Contents for Single-Chip Microcomputer SH7203
Page 2: ...Rev 0 50 May 18 2006 Page ii of xxx ...
Page 30: ...Rev 0 50 May 18 2006 Page xxx of xxx ...
Page 52: ...Section 1 Overview Rev 0 50 May 18 2006 Page 22 of 1588 REJ09B0313 0050 ...
Page 98: ...Section 2 CPU Rev 0 50 May 18 2006 Page 68 of 1588 REJ09B0313 0050 ...
Page 128: ...Section 4 Clock Pulse Generator CPG Rev 0 50 May 18 2006 Page 98 of 1588 REJ09B0313 0050 ...
Page 200: ...Section 6 Interrupt Controller INTC Rev 0 50 May 18 2006 Page 170 of 1588 REJ09B0313 0050 ...
Page 242: ...Section 8 Cache Rev 0 50 May 18 2006 Page 212 of 1588 REJ09B0313 0050 ...
Page 400: ...Section 9 Bus State Controller BSC Rev 0 50 May 18 2006 Page 370 of 1588 REJ09B0313 0050 ...
Page 696: ...Section 13 Watchdog Timer WDT Rev 0 50 May 18 2006 Page 666 of 1588 REJ09B0313 0050 ...
Page 726: ...Section 14 Realtime Clock RTC Rev 0 50 May 18 2006 Page 696 of 1588 REJ09B0313 0050 ...
Page 876: ...Section 17 I2 C Bus Interface 3 IIC3 Rev 0 50 May 18 2006 Page 846 of 1588 REJ09B0313 0050 ...
Page 1054: ...Section 21 D A Converter DAC Rev 0 50 May 18 2006 Page 1024 of 1588 REJ09B0313 0050 ...
Page 1294: ...Section 24 LCD Controller LCDC Rev 0 50 May 18 2006 Page 1264 of 1588 REJ09B0313 0050 ...
Page 1386: ...Section 26 I O Ports Rev 0 50 May 18 2006 Page 1356 of 1588 REJ09B0313 0050 ...
Page 1512: ...Section 30 List of Registers Rev 0 50 May 18 2006 Page 1482 of 1588 REJ09B0313 0050 ...
Page 1598: ...Section 31 Electrical Characteristics Rev 0 50 May 18 2006 Page 1568 of 1588 REJ09B0313 0050 ...
Page 1606: ...Appendix Rev 0 50 May 18 2006 Page 1576 of 1588 REJ09B0313 0050 ...
Page 1618: ...Rev 0 50 May 18 2006 Page 1588 of 1588 REJ09B0313 0050 ...
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Page 1622: ...SH7203 Group Hardware Manual ...