Service manual

27
DV-L70S
DV-L70BL
DV-L70W
9-8. IC512 IX1535GE HOST I/F
1 VDD – Power +3.3V
2 HADR0 Input CPU Address bus
3 HADR1 Input CPU Address bus
4 HADR2 Input CPU Address bus
5 HCS Input CPU Tip select
6 HWR Input CPU Write signal
7 HRD Input CPU Read signal
8 HDAT0 In/Output CPU Data bus
9 HDAT1 In/Output CPU Data bus
10 HDAT2 In/Output CPU Data bus
11 HDAT3 In/Output CPU Data bus
12 HDAT4 In/Output CPU Data bus
13 HDAT5 In/Output CPU Data bus
14 HDAT6 In/Output CPU Data bus
15 HDAT7 In/Output CPU Data bus
16 VSS – Digital GND
17 VDD – Power +3.3V
18 EXPAL (0) In/Output General-use input/output terminal Gr.A
19 EXPAL (1) In/Output General-use input/output terminal Gr.A
20 EXPAL (2) In/Output General-use input/output terminal Gr.A
21 EXPAL (3) In/Output General-use input/output terminal Gr.A
22 EXPAU (0) In/Output General-use input/output terminal Gr.A
23 EXPAU (1) In/Output General-use input/output terminal Gr.A
24 VSS – Digital GND
25 VDD – Power +3.3V
26 EXPAU (2) In/Output General-use input/output terminal Gr.A
27 EXPAU (3) In/Output General-use input/output terminal Gr.A
28 EXPBL (0) In/Output General-use input/output terminal Gr.B
29 EXPBL (1) In/Output General-use input/output terminal Gr.B
30 EXPBL (2) In/Output General-use input/output terminal Gr.B
31 EXPBL (3) In/Output General-use input/output terminal Gr.B
32 VSS – Digital GND
33 VDD – Power +3.3V
34 EXPBU (0) In/Output General-use input/output terminal Gr.B
35 EXPBU (1) In/Output General-use input/output terminal Gr.B
36 EXPBU (2) In/Output General-use input/output terminal Gr.B
37 EXPBU (3) In/Output General-use input/output terminal Gr.B
38 EXPC (0) In/Output General-use input/output terminal Gr.C
39 EXPC (1) In/Output General-use input/output terminal Gr.C
40 EXPC (2) In/Output General-use input/output terminal Gr.C
41 VSS – Digital GND
42 EXPC (3) In/Output General-use input/output terminal Gr.C
43 EXPC (4) In/Output General-use input/output terminal Gr.C
44 EXPC (5) In/Output General-use input/output terminal Gr.C
45 EXPD (0) In/Output General-use input/output terminal Gr.D
46 EXPD (1) In/Output General-use input/output terminal Gr.D
47 EXPD (2) In/Output General-use input/output terminal Gr.D
48 VSS – Digital GND
49 VDD – Power +3.3V
50 EXPD (3) In/Output General-use input/output terminal Gr.D
51 EXPD (4) In/Output General-use input/output terminal Gr.D
52 EXPD (5) In/Output General-use input/output terminal Gr.D
53 BUFDO Output Buffer output D
54 BUFDI Input Buffer input D
55 SBUFBO Output Schmidt buffer output B
56 SBUFBI Input Schmidt buffer input B
57 SBUFAO Output Schmidt buffer output A
58 SBUFAI Input Schmidt buffer input A
59 MRST Input Reset terminal
60 MODE Input Mode selection terminal
61 BUFCO In/Output Buffer output C
62 TEST Input Test terminal (for Epson)
63 BUFCI Input Buffer input C
64 VSS – Digital GND
Terminal Terminal name In/Output Function