Cypress CY14B256K manual RTC Register Map5 BCD Format Data Function/Range, WDF Oscf

									CY14B256K
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	Cal Sign		Calibration (00000)				Calibration Values [7]
	(0)		(0)
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.

Document Number: 001-06431 Rev. *H Page 11 of 28

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