Section 14
Realtime Clock (RTC)
Rev. 0.50 May 18, 2006 Page 687 of 1588
REJ09B0313-0050
Bit Bit
Name
Initial
Value
R/W Description
4
CIE
0
R/W
Carry Interrupt Enable Flag
When the carry flag (CF) is set to 1, the CIE bit enables
interrupts.
0: A carry interrupt is not generated when the CF flag is
set to 1
1: A carry interrupt is generated when the CF flag is set
to 1
3
AIE
0
R/W
Alarm Interrupt Enable Flag
When the alarm flag (AF) is set to 1, the AIE bit allows
interrupts.
0: An alarm interrupt is not generated when the AF flag
is set to 1
1: An alarm interrupt is generated when the AF flag is
set to 1
2, 1
—
All 0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
0 AF
0
R/W
Alarm
Flag
The AF flag is set when the alarm time, which is set by
an alarm register (ENB bit in RSECAR, RMINAR,
RHRAR, RWKAR, RDAYAR, RMONAR, or RYRAR is
set to 1), and counter match.
0: Alarm register and counter not match
[Clearing condition]
When 0 is written to AF.
1: Alarm register and counter match
*
[Setting condition]
When alarm register (only a register with ENB bit set to
1) and counter match
Note:
*
Writing 1 holds previous value.
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 ...