RTC-DEMO-KIT FDI, RTC-DEMO-KIT Datasheet

RTC-DEMO-KIT

Manufacturer Part Number

RTC-DEMO-KIT

Description

Clock & Timer Development Tools LowPwr SPI Real Time Clk driven 32.768KHz

Manufacturer

FDI

Type

RTCr

Datasheet

1.RTC-DEMO-KIT.pdf (1 pages)

Specifications of RTC-DEMO-KIT

Product Category

Clock & Timer Development Tools

Product

Demonstration Boards

Tool Is For Evaluation Of

PCA2125, PCF2124, P89LPC932A1

Frequency

32.768 kHz

Operating Supply Voltage

1.2 V to 5.5 V

Interface Type

SPI, UART

For Use With

P89LPC932A1

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The NXP RTC Demo is a reference design for a low power Real Time Clock and LCD solution.

The Demo Board is controlled by a simple two-button user interface (MODE and SELECT).

Example code for several sample applications: a programmable time and date display, a

programmable countdown timer, and a repeating pattern of text lines, can all be found on the

website at www.teamFDI.com/RTCDemo. The user can edit this code and download to the

reprogrammable Flash microcontroller via a 10-pin header included on the board using any

external ICP style programmer.

A small USB based ICP programmer that allows ICP programming of the P89LPC932A1 and

many other NXP microcontrollers from any PC is available from Future Designs, Inc. Details can

be found at www.teamfdi.com/USB-ICP.

Highlights

• Low power, SPI based Real Time Clock driven by a 32.768 KHz quartz crystal

• Flexible PCB layout supports two RTC package options

• Powered by a single 3V coin cell battery

• 8-character alphanumeric LCD

• I2C based LCD driver with 128 segment support

• Two miniature push-buttons for user control; additional User Interface via header

• User reprogrammable via 10-pin ICP header

RTC Demo

14-pin TSSOP for PCF2125

10-pin HVSON for PCA2124

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