Specifications

CY14B104K, CY14B104M
Document #: 001-07103 Rev. *O Page 11 of 33
with the value 0x00 on power up (except for the OSCF bit. See
Stopping and Starting the Oscillator on page 8).
Figure 4. RTC Recommended Component Configuration
Figure 5. Interrupt Block Diagram
Recommended Values
Y
1
= 32.768 kHz (12.5 pF)
C
1
= 12 pF
C
2
= 69 pF
Note The recommended values for C1 and C2 include
board trace capacitance.
X
out
X
in
Y1
C2
C1
Watchdog
Timer
Power
Monitor
Clock
Alarm
VINT
WDF
WIE
PF
PFE
AF
AIE
P/L
Pin
Driver
H/L
INT
V
CC
V
SS
WDF - Watchdog Timer Flag
WIE - Watchdog Interrupt
PF - Power Fail Flag
PFE - Power Fail Enable
AF - Alarm Flag
AIE - Alarm Interrupt Enable
P/L - Pulse Level
H/L - High/Low
Enable
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