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CY14B256KA

Document Number: 001-55720 Rev. *H Page 12 of 28

Table 3. RTC Register Map

[6, 7]

[6]

Function/Range

CY14B256KA 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)

0Cal

sign (0)

Calibration (00000) Calibration values

[8]

0x7FF7 WDS (0) WDW

(0)

WDT (000000) Watchdog

[8]

0x7FF6 WIE (0) AIE (0) PFE (0) 0 H/L (1) P/L (0) 0 0 Interrupts

[8]

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) 10s alarm minutes Alarm minutes Alarm, minutes: 00–59

0x7FF2 M (1) 10s alarm seconds Alarm, seconds Alarm, seconds: 00–59

0x7FF1 10s centuries Centuries Centuries: 00–99

0x7FF0 WDF AF PF OSCF

[9]

0CAL

(0)

W (0) R (0) Flags

[8]

Notes

6. The unused bits of RTC registers are reserved for future use and should be set to ‘0’.

7. ( ) designates values shipped from the factory.

8. This is a binary value, not a BCD value.

9. When the user resets OSCF flag bit, the flags register will be updated after t

RTCp

time.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 27 28

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