Memory Map; Main Circuit Board Unit; Cpu Peripheral Circuit; Slip Mechanism Drive Function - Epson TM-U675 Service Manual

Confidential

Memory Map

Main Circuit Board Unit

The main circuit board consists of the following elements:

CPU peripheral circuit

• CPU
• GA (gate array)
• Reset circuit

Slip mechanism drive function

• Impact head drive circuit
• Platen open/close, MICR drive circuit (MICR is factory option)
• Paper feed motor drive function
Appendix D-42 Product Overview
000000H
CPU I/O
0003FFH
000400H
RAM (INT)
000BFFH
000C00H
RAM (EXT)
1FFFFFH
400000H
Gate Array
4000FFH
800000H
Font ROM
4M or 8M
8FFFFFH
F00000H
Program ROM
4M or 8M
FFFFFFH
Figure D-48
CS1=0
CS0=0
CS3=0
CS2=0
Rev.D