CY14B104K, CY14B104M
Figure 4. RTC Recommended Component Configuration
C1
Y1
C2
Xout
Xin
Watchdog
Timer
Power
Monitor
VINT
Clock
Alarm
WDF
WIE
PF
PFE
AF
AIE
Recommended Values
Y1 = 32.768 KHz (12.5 pF)
C1 = 12 pF
C2 = 69 pF
Note: The recommended values for C1 and C2 include
board trace capacitance.
Figure 5. Interrupt Block Diagram
P/L
VCC
Pin
Driver
H/L
VSS
WDF - Watchdog Timer Flag
WIE - Watchdog Interrupt
Enable
PF - Power Fail Flag
PFE - Power Fail Enable
INT
AF - Alarm Flag
AIE - Alarm Interrupt Enable
P/L - Pulse Level
H/L - High/Low
Document #: 001-07103 Rev. *M
Page 10 of 33
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