Graphics Television Interface Adaptor (GTIA)
The GTIA interfaces with the ANTIC processor on one side and with the video summation
circuitry on the other. Its primary task is to generate color and luminance signals from the
display information bit stream it receives from the ANTIC Display Processor.
Figure 1-7. 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 1-8. POKEY pin assignments
130XE Personal Computer
Field Service Manual 1-7
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