CY14B256K
Document Number: 001-06431 Rev. *H Page 11 of 28
Table 3. RTC Register Map[5, 6]
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 [7]
0x7FF7 WDS (0) WDW (0) WDT (000000) Watchdog [7]
0x7FF6 WIE (0) AIE (0) PFE (0) 0 H/L (1) P/L (0) 0 0 Interrupts [7]
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 [7]
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.
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