Epson EPL-N1200 Service Manual - Page 143
Table A-7. CN11 Pin Assignments Continued
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Appendix A EPL-N1200 Service Manual Table A-7. CN11 Pin Assignments (Continued) Pin No. Signal Name 71 72 73 74 75,76 1,2,3,4 37,38,77,78,79,80 39 40 41 42 43 44 45 46 47 48 A22 A23 RD/BY RESET VPP VCC VSS CSI0 CSI1 CSO0 CSO1 RD WR BWE0 BWE2 BWE1 BWE3 I/O Description O Address bus bit 22 O Address bus bit 23 - Not used O Reset signal - +5 V DC - +5 V DC - Ground O Chip select inable 0 O Chip select inable 1 - Not used - Not used O Read signal O Write signal O Bus write enable 0 O Bus write enable 1 O Bus write enable 2 O Bus write enable 3 A-12 Rev. A
Table A-7. CN11 Pin Assignments (Continued)
Pin No.
Signal Name
I/O
Description
71
A22
O
Address bus bit 22
72
A23
O
Address bus bit 23
73
RD/
BY
—
Not used
74
RESET
O
Reset signal
75,76
VPP
—
+5 V DC
1,2,3,4
VCC
—
+5 V DC
37,38,77,78,79,80
VSS
—
Ground
39
CSI0
O
Chip select inable 0
40
CSI1
O
Chip select inable 1
41
CSO0
—
Not used
42
CSO1
—
Not used
43
RD
O
Read signal
44
WR
O
Write signal
45
BWE0
O
Bus write enable 0
46
BWE2
O
Bus write enable 1
47
BWE1
O
Bus write enable 2
48
BWE3
O
Bus write enable 3
Appendix A
EPL-N1200 Service Manual
A-12
Rev. A