Epson EPL-N1200, Service Manual

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Table A-3. CN2 Pin Assignments
Pin No. Signal Name I/O Description
1 SWINT I Switch interrupt
2 GND — Ground
3 LCDWRX O Write strobe to LCD
4 LCDCLK O Clock to LCD
5 SWRDX O Read strobe to switch
6 LEDWRX O Write enable to LED
7 DB0 I/O Data bus bit 0
8 A0 O Address bus bit 0
9 DB2 I/O Data bus bit 2
10 DB1 I/O Data bus bit 1
11 +5 V — +5 VDC
12 DB3 I/O Data bus bit 3
13 DB4 I/O Data bus bit 4
14 GND — Ground
15 DB6 Data bus bit 6
16 DB5 Data bus bit 5
17 DOTCLK Clock to LCD
18 DB7 I/O Data bus bit 7
19 GND — Ground
20 RESETX O Reset signal
21 GND — Ground
22 NC — Not connected
23 GND — Ground
24 HSYNCX I HSYNC for Main I/F
25 EPRDYX I Engine controller ready
26 PRDYX I Print ready
27 TODX I Main request
28 ETBSYX I Engine controller busy
29 STSX I Status transfer
30 CMDX O Command transfer
31 CTBSYX O Main controller busy
32 PRINITX O Print signal
33 SRCLKX O Serial transfer clock
34 CPRDYX O Main controller ready
35 GND — Ground
36 VIDEO O Video signal
37 +5 V — +5 VDC
38 NC — Not connected
39 GND — Ground
40 +5 V — +5 VDC
41 +5 V — +5 VDC
42 +5 V — +5 VDC
43 GND — Ground
44 +5 V — +5 VDC
45 GND — Ground
46 +5 V — +5 VDC
47 GND — Ground
48 +5 V — +5 VDC
49 GND — Ground
50 +5 V — +5 VDC
Appendix A EPL-N1200 Service Manual
A-6 Rev. A