Cypress CY14B108K Specification Sheet page 10

C1
Y1
C2
WDF
Watchdog
Timer
WIE
PF
Power
Monitor
PFE
VINT
AF
Clock
Alarm
AIE
Document #: 001-47378 Rev. **
PRELIMINARY
Figure 4. RTC Recommended Component Configuration
X out
X in
Figure 5. Interrupt Block Diagram
CY14B108K, CY14B108M
Recommended Values
Y = 32.768 KHz (6 pF)
1
C = 21 pF
1
C = 21 pF
2
Note: The recommended values for C1 and C2 include
board trace capacitance.
V
P/L
CC
Pin
INT
Driver
H/L
V
SS
WDF - Watchdog Timer Flag
WIE - Watchdog Interrupt
Enable
PF - Power Fail Flag
PFE - Power Fail Enable
AF - Alarm Flag
AIE - Alarm Interrupt Enable
P/L - Pulse Level
H/L - High/Low
Page 10 of 29
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