Real Time Clock

This Real Time Clock addon was published as a DIY project in a special edition of the the German magazine: CPC Schneider International(Sonderheft, #3-1986)

Like most other homecomputers of the era, the Amstrad CPC did not include a Real Time Clock.

This project overcomes this limitation.

Technical specs

Based around: SUWA RTC-58321

Ports used: FBxx, on the device there is a jumper that determines the value of xx.

Commercial versions

At least two companies are known to have produced their own Real Time Clock solutions:

Dobbertin Real Time Clock

Dk'tronics Real Time Clock

How to build a RTC interface (German)

• RTC
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