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Dk'tronics Real Time Clock

20 bytes added, 22:28, 10 January 2010
== Info Fragment ==
Reportedly: DK-Tronics RTC module used a [[Z80-PIO ]] chip to address the RTC itself
as Port A of the PIO, with a 9-pin user i/o port as Port B.
== I/O Ports ==

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FBE0h Dk'tronics Real Time Clock - probably [[Z80-PIO ]] Port A Data (RTC Data bus) FBE1h Dk'tronics Real Time Clock - probably [[Z80-PIO ]] Port B Data (General Purpose 8bit I/O Port) FBE2h Dk'tronics Real Time Clock - probably [[Z80-PIO ]] Port A Control FBE3h Dk'tronics Real Time Clock - probably [[Z80-PIO ]] Port B Control
FBE8h Dk'tronics Real Time Clock - (unknown purpose)
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