Dni-Pro #01 18 ноября 2000

Железо

Sound - diagram and description Covox for the Spectrum.

                         Visiting Us

                             Today


                          Newspaper Opium # 2


                           (C) JACK


                        COVOX, as izves
                        TNO is a 8 '

                        mibitnaya music
                        Flax card

                        which does not depend
                        um of AY and
work with the company pulls almost all the bars. C
the quality of her things to better than
in the above AY (loses MOD-,
WAV-files and all other trash).
 For the curious:
COVOX composes 1 / 4 of Sound Drive and
can not in any way to sound better.
Port # FB is the standard for kovoksa.

   So, the advantages of this over COVOX'a
conventional LPT COVOX'om:

   1. Its very easy to assemble even
Lameroo beginner;

   2. Its sound a little better, STE
achieved by using 8'mi bit
DAC;

   3. Fully protected against overvoltage
up to 15 volts.

   Kogda you have gathered COVOX, then check
his player vavov and if, suddenly,
it does not work (which I strongly
doubt), it is better never to
pull the soldering iron;).


            D1 D3

    December 13, 1911 1> +5 V
D0> D0 A0 A0>

    17 16 10 13
D1> D1 A1 A1

    18 19 9 12
D2> D2 A2 A2

     7 6 8 14
D3> D3 A3 A3

     3 2 7 3
D4> D4 A4 A4

    14 15 6 2
D5> D5 A5 A5

     4 5 5 15
D6> D6 A6 A6

     8 9 4 0.1mk
D7> D7 A7 A7

    October 1911

       E C



         Jan. 20> audio

             > +5 V

         D2

      June 3
A2>

      4 D1 - KR1533IR23
WR> D2 - KR1533LE4

      May 7 D3 - KR572PA1
IORQ>


        14

           > +5 V



 And this pribombas stands in 16-bit

               STB


                     Kovoks / DAC
2 D0 Y A0 17 (Office Z-80/4MHz)
3 D1 M A1 18
4 D2
5 D3 2 WR 15
D4 6 6 16 RD
7 D5 1
8 D6 2 CS 1914
9 D7.

         . CLK 24 (8MHz)
23 +5.
22 11 +5 RST (RESET)

21 L
20 R GND 1,12,19