A.1.1 Main Controller Board (C205 MAIN Board)
Table A-2. CN1 and 6 Pin Assignments
Pin No.
Signal Name
I/O
Description
1,39,72
Vss
—
Ground
2
DQ0
I/O
Data bus bit 0
3
DQ16
I/O
Data bus bit 16
4
DQ1
I/O
Data bus bit 1
5
DQ17
I/O
Data bus bit 17
6
DQ2
I/O
Data bus bit 2
7
DQ18
I/O
Data bus bit 18
8
DQ3
I/O
Data bus bit 3
9
DQ19
I/O
Data bus bit 19
10,30,59
Vcc
—
+5 VDC
11,29,46,48,66,71 NC
—
Not connected
12
A0
O
Memory address bit 0
13
A1
O
Memory address bit 1
14
A2
O
Memory address bit 2
15
A3
O
Memory address bit 3
16
A4
O
Memory address bit 4
17
A5
O
Memory address bit 5
18
A6
O
Memory address bit 6
19
A10
O
Memory address bit 10
20
DQ4
I/O
Data bus bit 4
21
DQ20
I/O
Data bus bit 20
22
DQ5
I/O
Data bus bit 5
23
DQ21
I/O
Data bus bit 21
24
DQ6
I/O
Data bus bit 6
25
DQ22
I/O
Data bus bit 22
26
DQ7
I/O
Data bus bit 7
27
DQ23
I/O
Data bus bit 23
28
A7
O
Memory address bit 7
31
A8
O
Memory address bit 8
32
A9
O
Memory address bit 9
33
RAS3
O
RAS 3
34
RAS2
O
RAS 2
35
MP2
—
Not used
36
MP0
—
Not used
37
MP1
—
Not used
38
MP3
—
Not used
40
CAS0
O
CAS 0
41
CAS2
O
CAS 2
42
CAS3
O
CAS 3
43
CAS1
O
CAS 1
44
RAS0
O
RAS 0
45
RAS1
O
RAS 1
47
WE
O
Write enable
49
DQ8
I/O
Data bus bit 8
Appendix A
EPL-N1200 Service Manual
A-4
Rev. A
Summary of Contents for EPL-N1200
Page 1: ...EPSON TERMINAL PRINTER EPL N1200 SERVICE MANUAL EPSON 4006838 ...
Page 8: ...REVISION SHEET I Revision I Issue Date Revision Page Rev A December 9 1996 1st issue vii ...
Page 111: ...Chapter 4 Adjustment No adjustment is required in this product ...
Page 127: ...6 ii Rev A ...
Page 133: ...Figure A 2 Engine Section Cable Connection Appendix A EPL N1200 Service Manual A 2 Rev A ...
