Character Generator Rom (Cg Rom) - OKIDATA ML590 Service Manual

Page: 49
Service Guide ML590/ML591
Chapter 2 Principles of Operation

Character Generator ROM (CG ROM)

Location 05C: 27C4096.
This 256k x 16 bits (4 Mbit) masked EPROM contains the character data for the various fonts.
The CG ROM is assigned to the program memory area of the MPU. The data is accessed by the
PSEN signal of the MPU.
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