SS50 Prototype Board
This is a similar board to the
Corsham SS50 Prototype Board
Differences between this board and the Corsham:
This board was created from
Corsham's schematics and
photograph of a Corsham SS50 Proto board. While it's appearance is
similar we can't state that it is a reproduction since we did not have a Corsham
board to use for comparison. Therefore it does not have the Corsham name
on it. This board was produced using a ground pour in all of the open
areas which the Corsham board did not have. Being derived from the Corsham
schematic it should function the same as the Corsham Prototype board
Description
If
you want to add your own boards to your SS-50/SS-50C based system, this is the
perfect board to experiment on and debug with.
Features include:
- Large solderless prototyping area. The
“tabs” are along the top edge so you can plug in more boards to extend the
area.
- All main SS-50/SS-50C signals are
buffered.
- Buffer direction can be changed by
pulling control lines to the proper state.
- 5 VDC power on-board for your circuit;
1.5 amp maximum draw.
- Spring loaded jumper block on upper
right corner for connection to external devices.
- 16×34 array of plated-through holes for
adding other connectors, components, etc.
The bus buffering defaults to taking data from the SS-50 bus and driving to the
board, such as for output devices where the CPU is only writing to the board’s
circuitry. However, by pulling one control line low, the data buffers can be
reversed for designs that both write and read to/from the board. The address
and control line buffers can similarly be controlled so as to drive the bus for
those who want to build their own DMA devices or even add a new CPU!
Bus signals are clearly identified:
Bus signals and control lines are also clearly marked:
Documentation
Downloads
SS-50 Prototyping Manual pdf
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| SS50-Proto |
Bare Board |
$20 |
| SS50-Proto-ASM |
Assembled board |
$60 |
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