User manual

CHAPTER 1

OVERVIEW

1. Introduction to the chapter

Thank you for choosing the MOD-RTC extension module from Olimex!

This device is a tiny implementation of NXP's real-time clock/calendar chip PCF8563. The main

purpose of MOD-RTC is adding real-time clock to another Olimex board via the UEXT connector

without the need of a hardware modification.

1.1 Features

• PCF8536 Real time clock

• Lithium 3V battery connector

• UEXT connector

• FR-4, 1.5 mm, soldermask, component print

• Dimensions: 40x19mm (1.57 x 0.75")

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