Rtc register map[5, 6 – Cypress CY14B256K User Manual
Page 11
CY14B256K
Document Number: 001-06431 Rev. *H
Page 11 of 28
Table 3. RTC Register Map
Register
BCD Format Data
[5]
Function/Range
D7
D6
D5
D4
D3
D2
D1
D0
0x7FFF
10s Years
Years
Years: 00–99
0x7FFE
0
0
0
10s Months
Months
Months: 01–12
0x7FFD
0
0
10s Day of Month
Day Of Month
Day of Month: 01–31
0x7FFC
0
0
0
0
0
Day of Week
Day of Week: 01–07
0x7FFB
0
0
10s Hours
Hours
Hours: 00–23
0x7FFA
0
10s Minutes
Minutes
Minutes: 00–59
0x7FF9
0
10s Seconds
Seconds
Seconds: 00–59
0x7FF8
OSCEN
(0)
0
Cal Sign
(0)
Calibration (00000)
Calibration Values
0x7FF7
WDS (0)
WDW (0)
WDT (000000)
Watchdog
0x7FF6
WIE (0)
AIE (0)
PFE (0)
0
H/L (1)
P/L (0)
0
0
Interrupts
0x7FF5
M (1)
0
10s Alarm Date
Alarm Day
Alarm, Day of Month: 01–31
0x7FF4
M (1)
0
10s Alarm Hours
Alarm Hours
Alarm, Hours: 00–23
0x7FF3
M (1)
10 Alarm Minutes
Alarm Minutes
Alarm, Minutes: 00–59
0x7FF2
M (1)
10 Alarm Seconds
Alarm, Seconds
Alarm, Seconds: 00–59
0x7FF1
10s Centuries
Centuries
Centuries: 00–99
0x7FF0
WDF
AF
PF
OSCF
0
CAL (0)
W (0)
R (0)
Flags
Note
5. ( ) designates values shipped from the factory.
6. The unused bits of RTC registers are reserved for future use and should be set to ‘0’.
7. Is a binary value, not a BCD value.