1  vcc
2  MA:3
3  gnd
4  dsp:75 WriteStrobe
5  dsp:74 ReadStrobe
6  dsp:9 Reset
7  va:48
8  vcc
9  pulldown 100k
10 pulldown 100k
11 pulldown 100k
12 gnd
13 gnd
14 gnd
15 vcc
16 gnd
17 dsp:52 address0
18 dsp:53 address1
19 dsp:54 address2
20 dsp:55 address3
21 dsp:56 address4
22 dsp:57 address5
23 gnd
24 R1k -> va:28
25 gnd
26 dsp:35 data0
27 dsp:34 data1
28 .
29 . 
30 .
31 .
32 .
33 dsp:28 data7
34 vcc
35 vcc
36 dsp:24 data8
37 .
38 .
39 .
40 .
41 .
42 .
43 dsp:17 data15
44 gnd