Figure 1-6. GTIA pin assignments
POT Keyboard Integrated Circuit (POKEY)
The POKEY is a Custom Large Scale Integrated Circuit (LSI) chip. It is used for audio
generation, Serial Input/Output (SIO) control, controller interface scan and keyboard scan.
Figure 1-7 is an illustration of the POKEY pin assignmens.
1200XL Home Computer
Field Service Manual 1-8
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