BS_Real time clock
RM0082
356/844
Doc ID 018672 Rev 1
20.2.8
ALARM DATE registers
The ALARM DATE is a RW register which defines a successive date, so that when the value
of DATE register is equal to the value set in this ALARM DATE register, an interrupt is
generated (if enabled, that is if IE bit in CONTROL register is set). The ALARM DATE
register bit assignments are given in
.
Note:
All values in this ALARM DATE register are in binary-coded decimal (BCD) format.
20.2.9 REGxMC
register
These general purpose registers, battery powered, can be used to store information when
the system goes in a deep power saving state like suspend to ram. During this state only the
DDR memory is powered and all the other parts of the system (SOC included) are
completely off. The REGxMC registers bit assignments are given in
and
Table 307.
ALARM DATE register bit assignments
Bit
Name
Reset
value
Description
[31:28]
YM
Target year millenniums.
[27:24]
YH
Target year hundreds.
[23:20]
YT
Target year tens.
[19:16]
YU
Target year units.
[15]
Reserved
-
Read: undefined. Write: should be zero.
[14:12]
MT
Target month tens.
[11:08]
MU
Target month units.
[07:06]
Reserved
-
Read: undefined. Write: should be zero.
[05:04]
DT
Target day tens.
[03:00]
DU
Target day units.
Table 308.
REG1MC registers bit assignments
Bit
Name
Reset value Description
[31:00]
REG1MC
General purpose bits
Table 309.
REG2MC register bit assignments
Bit
Name
Reset value Description
[31:00]
REG2MC
General purpose bits