CY14B101P_12 Datasheet, PDF (20/36 Pages) Cypress Semiconductor – 1-Mbit (128 K × 8) Serial SPI nvSRAM with Real Time Clock

CY14B101P
Table 8. RTC Register Map ^{[3, 4]}
Register
0x0F
0x0E
0x0D
0x0C
0x0B
0x0A
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x01
0x00
BCD Format Data
D7
D6
D5
D4
D3
D2
D1
D0
10s years
Years
0
0
0
10s
months
Months
0
0
10s day of month
Day of month
0
0
0
0
0
Day of week
0
0
10s hours
Hours
0
10s minutes
Minutes
0
10s seconds
Seconds
OSCEN
0
Cal sign
(0)
(0)
Calibration (00000)
WDS (0) WDW (0)
WDT (000000)
WIE (0) AIE (0) PFE (0)
0
H/L (1) P/L (0)
0
0
M (1)
0
10s alarm date
Alarm day
M (1)
0
10s alarm hours
Alarm hours
M (1)
10s alarm minutes
Alarm minutes
M (1)
10s alarm seconds
Alarm seconds
WDF
10s centuries
Centuries
AF
PF
OSCF^[6]
0
CAL (0) W (0) R (0)
Function/Range
Years: 00–99
Months: 01–12
Day of month: 01–31
Day of week: 01–07
Hours: 00–23
Minutes: 00–59
Seconds: 00–59
Calibration values ^[5]
Watchdog ^[5]
Interrupts ^[5]
Alarm, day of month: 01–31
Alarm, hours: 00–23
Alarm, minutes: 00–59
Alarm, seconds: 00–59
Centuries: 00–99
Flags ^[5]
Notes
3. () designates values shipped from the factory.
4. The unused bits of RTC registers are reserved for future use and should be set to ‘0’
5. This is a binary value, not a BCD value.
6. When user resets OSCF flag bit, the flags register will be updated after t_RTCp time.
Document Number: 001-44109 Rev. *M
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