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PRELIMINARY
CY14B104KA, CY14B104MA
Document #: 001-07103 Rev. *J
Page 10 of 31
Table 3. RTC Register Map[9, 10]
Register
BCD Format Data
Function/Range
CY14B104KA CY14B104MA
D7
D6
D5
D4
D3
D2
D1
D0
0x7FFFF
0x3FFFF
10s Years
Years
Years: 00–99
0x7FFFE
0x3FFFE
0
0
0
10s
Months
Months
Months: 01–12
0x7FFFD
0x3FFFD
0
0
10s Day of Month
Day Of Month
Day of Month: 01–31
0x7FFFC
0x3FFFC
0
0
0
0
0
Day of week
Day of week: 01–07
0x7FFFB
0x3FFFB
0
0
10s Hours
Hours
Hours: 00–23
0x7FFFA
0x3FFFA
0
10s Minutes
Minutes
Minutes: 00–59
0x7FFF9
0x3FFF9
0
10s Seconds
Seconds
Seconds: 00–59
0x7FFF8
0x3FFF8
OSCEN
0
Cal
Sign
Calibration
Calibration Values
[11]
0x7FFF7
0x3FFF7
WDS
WDW
WDT
Watchdog [11]
0x7FFF6
0x3FFF6
WIE
AIE
PFE
0
H/L
P/L
0
0
Interrupts [11]
0x7FFF5
0x3FFF5
M
0
10s Alarm Date
Alarm Date
Alarm, Day of
Month: 01–31
0x7FFF4
0x3FFF4
M
0
10s Alarm Hours
Alarm Hours
Alarm, Hours: 00–23
0x7FFF3
0x3FFF3
M
10s Alarm Minutes
Alarm Minutes
Alarm, Minutes:
00–59
0x7FFF2
0x3FFF2
M
10s Alarm Seconds
Alarm Seconds
Alarm, Seconds:
00–59
0x7FFF1
0x3FFF1
10s Centuries
Centuries
Centuries: 00–99
0x7FFF0
0x3FFF0
WDF
AF
PF
OSCF
0
CAL
W
R
Flags[11]
Note
9. 0 - Not implemented, reserved for future use.
10. Upper Byte D15-D8 (CY14B104MA) of RTC registers are reserved for future use
11. This is a binary value, not a BCD value.
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