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BOARD ADDRESSING
Positions E4 and E5 contain the user-jumpered 16-pin
address selection sockets.
board to respond to any 1 of the 2 5 . 6 . possible I/O port
addresses.
As shown on the schematic, to enable the CRI board it
is necessary to have all eight inputs to the 74LS30 (C5)
high.
The user should select the desired address, and
then jumper the address selection sockets so that when
that address appears on address lines
the
N A N D
10 - 16
inputs are high, and the board
PIC-8 Board
Board Addressing
Revision 3
These jumpers allow the PIC-8
through A7, all
A O
then enabled.
is
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