Rev. B
Mechanism Configuration and Operating Principles
TM-U200D/U200PD Technical Manual
Memory Map
The following parts are mapped on the printer memory map:
❏
CPU
❏
EPROM (Program)
Figure 2-17 Memory map
External program memory
Program,
character
generator area
External data memory
Intemal memory
Can not to be used.
(Interral ROM
program area)
Can not to be used.
Internal RAM (2KB)
Internal I/O (96bytes)
0000H
FFFFH
F000H
F7A0H
FFA0H
FFFFH
0000H
0000H
FFFFH
0000H
FFFFH
0000H
FFFFH
0000H
FFFFH
(For multi-lingual)
Character
generator area
(2)
64KB
(For multi-lingual)
Character
generator area
(1)
64KB
(For multi-lingual)
Character
generator area
(3)
64KB
(For multi-lingual)
Character
generator area
(4)
64KB
CPU (Internal memory)
ROM (External program memory)
(External data memory) (4M)
CE
EA
RD
ALE
(CE)P71
(A16)P75
(A17)P76
(A18)P77
A8
|
A15
D0
|
D7
A8
|
A15
A0
|
A7
A0
|
A7
A16
|
A18
D0
|
D7
A8
|
A15
373
G
D0
|
D7
C0
|O
7
OC
A0A7
(512K)
OE
D0
|
D7
OE
WE
CE
WR
Summary of Contents for TM U200D - B/W Dot-matrix Printer
Page 2: ...technical manual TM U200D U200PD EPSON English 4005680 ...
Page 4: ...EPSON SEIKO EPSON CORPORATION Printed in Japan E9608130 0000SE ...
Page 145: ...Rev B Disassembly Assembly and Adjustment 5 49 TM U200D U200PD Technical Manual ...
Page 146: ...5 50 Disassembly Assembly and Adjustment Rev B ...
Page 147: ...Rev B Disassembly Assembly and Adjustment 5 51 TM U200D U200PD Technical Manual ...
Page 148: ...5 52 Disassembly Assembly and Adjustment Rev B ...
Page 154: ...Appendix A 6 Rev B Main Circuit Board A Parts Layout ...
Page 155: ...Rev B Appendix A 7 TM U200D U200PD Technical Manual Main Circuit Board C Parts Layout ...
Page 156: ...Appendix A 8 Rev B RS 232 Serial Interface Circuit Board Parts Layout ...
Page 169: ...Rev B A 21 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram ...