Firmware Overview - Epson ActionPrinter 3000 LQ-200 Service Manual

Principles of Operation

Firmware Overview

The printer uses a µPD7810HG CPU with 64KB of address space. Figure 2-8
shows a memory map of the address space.
Note:
CG = character generator
GA = gate array
2-8
Figure 2-8. Memory Map (64 KB.)
LQ-200/AP3000