Epson EPL-5700 Service Manual page 112

EPL-5700
Table 7-6. Connector CN5 Pin(Cont.)
Pin Signal Name
32 A9
33 RAS3X
34 RAS2X
35 MP2
36 MP0
37 MP1
38 MP3
39 GND
40 CAS0X
41 CAS2X
42 CAS3X
43 CAS1X
44 RAS0X
45 RAS1X
46 NC
47 WEX
48 NC
49 D8
50 D24
51 D9
52 D25
53 D10
54 D26
55 D11
56 D27
57 D12
58 D28
59 Vcc
60 D29
61 D13
Rev. A
I/O Description
O DRAM Address bus
O Row Address Strobing Signal
O Row Address Strobing Signal
I/O Parity Data Bus(not used)
O Parity Data Bus(not used)
I/O Parity Data Bus(not used)
I/O Parity Data Bus(not used)
--- Ground
O Column Address Strobing
signal
O Column Address Strobing
signal
O Column Address Strobing
signal
O Column Address Strobing
signal
O Row Address Strobing signal
O Row Address Strobing signal
O Not used
O DRAM light enable signal
O Not used
I/O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
--- Power
I/O 32bit data bus
I/O 32bit data bus
Table 7-7. Connector CN5 Pin (Cont.)
Pin Signal Name
62 D30
63 D14
64 D31
65 D15
66 NC
67-70 PD0-PD3
71 NC
72 Vcc
Table 7-8. Connector CN6 Pin
Pin Signal I/O
Name
1 /STB I
2-9 DATA1 I/O
---
DATA8
10 /ACK O
11 BUSY O
12 PE O
13 SELOLT O
14 /AUTO I
15 NC ---
16 GND ---
17 CG ---
18 NC ---
19-30, 33 GND ---
31 /INIT I
32 /ERR O
34 NC ---
35 +5 ---
36 /SELIN I
Chapter7 Appendix
I/O Description
I/O 32bit data bus
I/O 32bit data bus
I/O 32bit data bus
O 32bit data bus
--- Not used
I Presence detect pin(not used)
--- Not used
--- Power
Description
Latch pulse to read print data.
Data bit1 8
Pulse to acknowledge that data is
transferred from the host.
Printer is unable to receive the data.
Paper Jam, or Paper out.
Always HIGH.
Signal to request 1284 Mode.
Not used.
Ground
Chassis Ground
Not used
Ground
BUSY state until it is canceled when
/INT is LOW.
Error occur.
Not used.
+5V
Always LOW.
7-4