1. Introduction
1-10 UniSite-xpi User Manual
How Many Pin Driver Boards Do You Need (Legacy)?
The following table shows the minimum number of pin driver boards
needed to program a device with a given number of pins. Each pin driver
board can drive four device pins. Depending on how the pins on the
device are mapped out, the number of pin driver boards required is
sometimes greater than the number of device pins divided by four.
Note: The information in the following table applies to legacy UniSites running
system software version 3.60 and later.
Pin driver boards are easily installed and can be ordered by contacting
your nearest Data I/O representative as listed in the Preface.
When you program devices with a PPI Base, we recommend that you
install 17 boards, although the requirements vary among adapters. For
the exact number of boards you need with a specific PPI Base, call
Data I/O Customer Support as listed in the Preface.
Number of
Device Pins
Site 40 or
HI-QA-DIP
Site
48HS SetSite
ChipSite or
HI-QA-SMT
PLCC, LCC,
SOIC (PinSite)
PGA
(PinSite)
877107 7n/a
14 7 7 10 7 7 n/a
16 7 7 10 7 7 n/a
18 7 7 10 7 7 n/a
20 7 7 10 7 7 n/a
24 7 7 10 7 7 n/a
28 7 7 10 7 7 17*
* Requires the PGA Base, PSBASE-0402. Contact Data I/O Customer Support as listed in the Preface for
more information.
32 9 8 10 9 8 n/a
40 10 10 10 n/a 10 n/a
44 n/a 11 n/a 12 11 17
48 n/a 12 n/a n/a 12 n/a
52 n/a n/a n/a 15 13 n/a
68 n/a n/a n/a 17 17 17
84 n/a n/a n/a n/a 17 17
>84 n/a n/a n/a n/a n/a 17
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