Specifications

CY14B108K
CY14B108M
Document Number: 001-47378 Rev. *K Page 15 of 36
Table 3. RTC Register Map
[13]
Register BCD Format Data
[14]
Function/Range
CY14B108K CY14B108M D7 D6 D5 D4 D3 D2 D1 D0
0xFFFFF 0x7FFFF 10s years Years Years: 00–99
0xFFFFE 0x7FFFE 0 0 0 10s
months
Months Months: 01–12
0xFFFFD 0x7FFFD 0 0 10s day of month Day of month Day of month: 01–31
0xFFFFC 0x7FFFC 0 0 0 0 0 Day of week Day of week: 01–07
0xFFFFB 0x7FFFB 0 0 10s hours Hours Hours: 00–23
0xFFFFA 0x7FFFA 0 10s minutes Minutes Minutes: 00–59
0xFFFF9 0x7FFF9 0 10s seconds Seconds Seconds: 00–59
0xFFFF8 0x7FFF8 OSCEN
(0)
0 Cal sign
(0)
Calibration (00000) Calibration values
[15]
0xFFFF7 0x7FFF7 WDS
(0)
WDW (0) WDT (000000) Watchdog
[15]
0xFFFF6 0x7FFF6 WIE (0) AIE (0) PFE (0) 0 H/L
(1)
P/L (0) 0 0 Interrupts
[15]
0xFFFF5 0x7FFF5 M (1) 0 10s alarm date Alarm day Alarm, day of month:
01–31
0xFFFF4 0x7FFF4 M (1) 0 10s alarm hours Alarm hours Alarm, hours: 00–23
0xFFFF3 0x7FFF3 M (1) 10s alarm minutes Alarm minutes Alarm, minutes:
00–59
0xFFFF2 0x7FFF2 M (1) 10s alarm seconds Alarm, seconds Alarm, seconds:
00–59
0xFFFF1 0x7FFF1 10s centuries Centuries Centuries: 00–99
0xFFFF0 0x7FFF0 WDF AF PF OSCF
[16]
0 CAL (0) W (0) R (0) Flags
[15]
Notes
13. Upper Byte D
15
-D
8
(CY14B108M) of RTC registers are reserved for future use.
14. ( ) designates values shipped from the factory.
15. This is a binary value, not a BCD value.
16. When the user resets OSCF flag bit, the flags register will be updated after t
RTCp
time.