Changes

Jump to: navigation, search

Dk'tronics Real Time Clock

78 bytes added, 17:37, 9 September 2010
/* Technical */
== Technical ==
Contains a following components: HD146818P ([[PC compatible RTC chip|PC-style RTC]]), a TMP[[Z80 PIO|Z84C20]]P ([[Z80 PIO]]), three logic chips74LS00 (Quad NAND), 74LS138 (demux), 74LS175 (4bit latch), 9pin male DSUB connector (used as an 8bit general-purpose I/O port (9pin male DSUB), and a rechargeable 3.6V battery.
FBE0h Dk'tronics Real Time Clock - [[Z80 PIO]] Port A Data ([[PC compatible RTC chip|HD146818P]] RTC Data bus)
6,388
edits