StephensDev

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Contents

Acquisition

Purchased mainly because it was super cheap $3.50 and I saw it had rom chips and a MC680302 processor. I didn't really know much about it when purchasing the card.

Slot Pin Out

Work in Progress

Pin Side A Side B
1 G G
2 G G
3 VCC-5v VCC-5v
4 VCC-5v VCC-5v
5 C93 C93
6 NC NC
7 U7 (Bottom left pin)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 G
28
29 G
30
31
32
33
34
35
36 G

ICs

MC145407P

5 Volt Only Driver/Receiver RS232 EIA–232–E and CCITT V.28
ML145407.PDF

SCN68681

Dual asynchronous receiver/transmitter (DUART)
SCN68681.PDF

Misc

s-l1600 (1).jpgs-l1600.jpg (eBay item 375799936455).

References