6141.22X Incubator 8000 IC/SC/NC
Function Description
09.99 Page 34 of 49
3.2.4 Display Humidity PCB (Inc. 8000 SC / NC only)
Functions like PCB Display. On this PCB only the necessary display elements are fitted.
3.2.5 CPU PCB
3.2.5.1 Intended use
The CPU Standard 2 PCB is a sub-assembly which forms the center of electronical driving in
many Drager devices. As of 1993 a CPU Incubator PCB is used in all Incubators 8000 series.
3.2.5.2 Block diagram
Block 1 includes the CPU (UP 6802) with clock oscillator and address decoding.
Block 2 contains the entire data and program storage (up to 64 kByte RAM/EPROM). With
ACIA in block 3 a serial interface is provided but is not fitted for Incubator 8000 series.
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