Features
PCA2125 / PCF2124 Low Power SPI based RTC
• Resolution - sec, minutes, hours, weekday, day, month, year
• Operating voltage 1.2 to 5.5V
• Low standby current for SuperCap
¾ typ 0.25uA at 3.0V for PCF2124
¾ typ 0.55uA at 3.0V for PCA2125
• Three-line SPI with separate data I/O
• Programmable timer / alarm functions with interrupt capability
• Internal power-on reset
• 32.768 KHz quartz crystal
• No other external components required
• Automotive temp range of -40 to +125 C for PCA2125
P89LPC932A1 8-bit, 2-clock, 80C51 MCU
• 8 KB Flash, 256 bytes RAM
• 28-pin PLCC package with Internal RC Oscillator
• UART, ADC, DAC, two 16-bit timers & RTC, KBI
• WDT with on chip 400kHz oscillator
Ordering Information
Part Number: RTC-DEMO-KIT
Suggested Resale Price: $69.00 (USD)
Order Online Now at:
www.digikey.com
www.mouser.com
NXP SEMI: OM6292
Warranty: 30-day money back guarantee
Availability: Stock
(256) 883-1240 Phone
(256) 883-1241 FAX
E-mail: sales@teamfdi.com
www.teamfdi.com
Contents
RTC Demo Board:
- PCA2125 or PCF2124 RTC
- P89LPC932A1 8KB Flash microcontroller
- PCF8562TT 128-segment LCD Driver
- 8-character alphanumeric LCD
- 3V Coin Cell Battery
Visit www.teamFDI.com/RTCDemo for:
- Demo application code
- Schematic
- In Circuit Programming (ICP) Documentation
All brand names and product names are trademarks or registered trademarks of their respective holders.
Rev 3 8/13/2008