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Dk'tronics Real Time Clock

No change in size, 15:02, 12 January 2010
/* I/O Ports */
== I/O Ports ==
Contains HD146818P (RTC) and TMP[[Z80 PIO|Z84C20PZ84C20]] P ([[Z80 PIO]]) chips.
* Reportedly: DK-Tronics RTC module used a [[Z80 PIO]] chip to address the RTC itself
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