HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 641
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417320.pdf
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17.3.18 RTC Control Register 3 (RCR3)
When the ENB bit is set to 1, RCR3 performs a comparison with the RYRCNT. From among
RSECAR/RMINAR/RHRAR/RWKAR/RDAYAR/RMONAR/RCR3, the counter and alarm
register comparison is performed only on those with ENB bits set to 1, and if each of those
coincide, an alarm flag of RCR1 is set to 1.
The ENB bit in RYRAR is initialized by a power-on reset. Remaining fields of RCR3 are not
initialized by a power-on reset or manual reset, or in standby mode.
Bit
7
6 to 0
Bit Name
ENB
Initial Value
0
All 0
R/W
R/W
R
Description
When this bit is set to 1, comparison of the year
alarm register (RYRAR) and the year counter
(RYRCNT) is performed.
Reserved
These bits are always read as 0. The write value
should always be 0.
Rev. 3.00 Jan. 18, 2008 Page 579 of 1458
Section 17 Realtime Clock (RTC)
REJ09B0033-0300
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