Epson EPL-N1200, Руководство по обслуживанию

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Table A-5. CN4 Pin Assignments
Pin No. Signal Name I/O Description
27,28,29,30 VCC — +5 VDC
57,58,59,60 VCC — +5 VDC
3,4,5,6 GND — Ground
41,42,43,44 GND — Ground
45 RESET — Not used
46 INH — Not used
47 CMREQ — Not used
48 WRRDY — Not used
49 RDREQ — Not used
50 WRT — Not used
51 RDT — Not used
52 TYPB — Not used
53 TXD — Ground
54 READY — +5 VDC
55 RXD — Not used
56 NC — Not used
7 DB0 I/O Data bus bit 0
8 DB1 I/O Data bus bit 1
9 DB2 I/O Data bus bit 2
10 DB3 I/O Data bus bit 3
11 DB4 I/O Data bus bit 4
12 DB5 I/O Data bus bit 5
13 DB6 I/O Data bus bit 6
14 DB7 I/O Data bus bit 7
15 AB0 O Address bus bit 0
16 AB1 O Address bus bit 1
17 AB2 O Address bus bit 2
18 AB3 O Address bus bit 3
19 AB4 O Address bus bit 4
20 CS O Chip select signal
21 RD O Read signal
22 WR O Write signal
23 IREQ O Address bus bit 13
24 NMI O Address bus bit 14
25 DREQ O Address bus bit 11
26 DTCT O Address bus bit 12
1 PCLK O Clock
2 RST O Reset signal
31 TXD+ — Not used
32 TXD- — Not used
33 RXD+ — Not used
34 RXD- — Not used
35 DTR — Not used
36 CTS — Not used
37 NC — Not used
38 NC — Not used
39 LCD — Not used
40 SWRD — Not used
EPL-N1200 Service Manual Appendix A
Rev. A A-9