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CY14B108K, CY14B108M
Document #: 001-47378 Rev. *B
Page 11 of 29
Table 4. RTC Register Map[7]
Register
BCD Format Data[8]
Function/Range
CY14B108K CY14B108M
D7
D6
D5
D4
D3
D2
D1
D0
0xFFFFF
0x7FFFF
10s Years
Years
Years: 00–99
0xFFFFE
0x7FFFE
0
0
0
10s
Months
Months
Months: 01–12
0xFFFFD
0x7FFFD
0
0
10s Day of Month
Day Of Month
Day of Month: 01–31
0xFFFFC
0x7FFFC
0
0
0
0
0
Day of week
Day of week: 01–07
0xFFFFB
0x7FFFB
0
0
10s Hours
Hours
Hours: 00–23
0xFFFFA
0x7FFFA
0
10s Minutes
Minutes
Minutes: 00–59
0xFFFF9
0x7FFF9
0
10s Seconds
Seconds
Seconds: 00–59
0xFFFF8
0x7FFF8
OSCEN
(0)
0Cal Sign
(0)
Calibration (00000)
Calibration Values [9]
0xFFFF7
0x7FFF7
WDS
(0)
WDW (0)
WDT (000000)
Watchdog [9]
0xFFFF6
0x7FFF6
WIE (0)
AIE (0)
PFE (0)
0
H/L
(1)
P/L (0)
0
0
Interrupts [9]
0xFFFF5
0x7FFF5
M (1)
0
10s Alarm Date
Alarm Day
Alarm, Day of Month:
01–31
0xFFFF4
0x7FFF4
M (1)
0
10s Alarm Hours
Alarm Hours
Alarm, Hours: 00–23
0xFFFF3
0x7FFF3
M (1)
10 Alarm Minutes
Alarm Minutes
Alarm, Minutes:
00–59
0xFFFF2
0x7FFF2
M (1)
10 Alarm Seconds
Alarm, Seconds
Alarm, Seconds:
00–59
0xFFFF1
0x7FFF1
10s Centuries
Centuries
Centuries: 00–99
0xFFFF0
0x7FFF0
WDF
AF
PF
OSCF
0
CAL (0)
W (0)
R (0)
Flags [9]
Notes
7. Upper Byte D15-D8 (CY14B108M) of RTC registers are reserved for future use
8. ( ) designates values shipped from the factory.
9. This is a binary value, not a BCD value.
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