Sharp AL-1611 Service Manual page 81

(2) pin/signal table
PIN No. Signal Name IN/OUT
1 /SCANSP
2 /PRSTART
3 TMON
4 TMCLK
5 3.3V Power
6 CPUAD7
7 CPUAD6
8 GND Power
9 CPUAD5
10 CPUAD4
11 CPUAD3
12 CPUAD2
13 CPUAD1
14 /CPUSYNC OUT
15 /INTR OUT
16 /CPUCS
17 /RESET
18 5V Power
19 GND Power
20 3.3V Power
21 GND Power
22 MDATA15 IN/OUT
23 MDATA14 IN/OUT
24 MDATA13 IN/OUT
25 MDATA12 IN/OUT
26 MDATA11 IN/OUT
27 MDATA10 IN/OUT
28 MDATA9 IN/OUT
29 MDATA8 IN/OUT
30 MDATA7 IN/OUT
31 3.3V Power
32 MDATA6 IN/OUT
33 MDATA5 IN/OUT
34 GND Power
35 MDATA4 IN/OUT
36 MDATA3 IN/OUT
37 MDATA2 IN/OUT
38 MDATA1 IN/OUT
39 MDATA0 IN/OUT
40 /RAS0 OUT
41 /RAS1 OUT
42 /RAS2 OUT
43 /RAS64 OUT
44 3.3V Power
45 /RAS16 OUT
Description
IN Scanner process interrupt
signal
IN Print start trigger signal
IN Toner motor ON/OFF
IN Toner motor reference clock
IN CPU address bus
IN
IN CPU address bus
IN
IN
IN
IN
Horizontal synchronization
signal
Interruption request signal
IN CPU chip select signal
IN Reset signal
Data bus of DRAM (page
memory)
Data bus of DRAM (page
memory)
Data bus of DRAM (page
memory)
RAS signal 0 of DRAM (page
memory)
RAS signal 1 of DRAM (page
memory)
RAS signal 2 of DRAM (page
memory)
(Not used)
(Not used)
AL-1611/AL-1622 ELECTRICAL SECTION
PIN No. Signal Name
46 MAD0
47 GND
48 MAD1
49 MAD2
50 MAD3
51 MAD4
52 MAD5
53 MAD6
54 MAD7
55 MAD8
56 MAD9
57 3.3V
58 MAD10
59 MAD11
60 GND
61 /CAS0
62 /CAS1
63 /OE
64 /WE
65 OUTD0
66 OUTD1
67 OUTD2
68 OUTD3
69 3.3V
70 OUTD4
71 OUTD5
72 GND
73 OUTD6
74 OUTD7
75 OUTD8
76 OUTD9
77 OUTD11
78 OUTD10
79 OUTD12
80 OUTD13
81 OUTD14
82 OUTD15
83 /HSYNC
84 /PCLPRD
85 /PCLREQ
86 /PCLACK
87 /PCLCS
88 3.3V
89 GND
90 5V
91 GND
92 /FAXPRD
13 – 6
IN/OUT Description
OUT Address bus of DRAM (page
memory)
Power
OUT Address bus of DRAM (page
memory)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
Power
OUT Address bus of DRAM (page
memory)
OUT
Power
OUT CAS signal of DRAM (page
memory)
OUT
OUT Read enable signal of DRAM
(page memory)
OUT Write enable signal of DRAM
(page memory)
OUT (Not used)
OUT
OUT
OUT
Power
OUT (Not used)
OUT
Power
OUT (Not used)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
IN
IN
Power
Power
Power
Power
IN (Not used)