Epson EPL-5800, Service Manual

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EPSON EPL-5800 Revision B
Appendix Connectors 97
18 /LCDCLK O LCD Clock signal
6-9 DB0-DB3 I/O Data signal
14-16,24-26 LED1-LED6 O LED output signal
10-13,20-23 /SW1-/SW2 I Switch input signal
1,2 VCC --- +5V
17,19 GND --- Ground
Table 7-5. Connector CN5
Pin No. Signal I/O Description
29-36 D0-D7 I/O Data signal
25-28 A0-A3 O Address signal
18 /CS O Chip select signal
17 /RD O Read signal
16 /WR O Write signal
12 INH O Disable signal
11 /RESET O Reset signal
13 /CMREQ I Command-request signal
14 /WRRDY I Write-ready signal
15 /RDREQ I Read-request signal
7 TXD --- (Not used)
8 /READY --- (Not used)
9 RXD --- (Not used)
Table 7-4. Connector CN4
Pin No. Signal I/O Description
1-6 VCC --- +5V
19-24 GND --- Ground
10 NC --- (Not used)
Table 7-6. Connector CN7
Pin No. Signal I/O Description
33-38,117-121,
123,126
A0-A12 O
Address signal
132 A13 --- (Not used)
39,122 BA0,BA1 O Bank-select address signal
2-5,7-11,13-17,19,
20,55-58,60,65-67,
69-72,74-77,86-89,
91-95,97-101,103,
104,139-142,144,
149-151,
153-156,158-161
DQ0-DQ63 I/O
Data bus
30,45,114,129 /CS0-/CS3 O Chip-select signal
115 /RAS O Row-Address Strobe signal
111 /CAS O Column-Address Strobe signal
27 /WE O Write-enable signal
28,29,46,47,112,113,
130,131 DQMB0-
DQMB7
O
Byte-data mask signal
42,79,125,163 CK0-CK3 O Clock input
63,128 CKE0,CKE1 O Clock-enable signal
82 SDA I/O SPD data
83 SCL O SPD clock signal
Table 7-5. Connector CN5
Pin No. Signal I/O Description