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16:13, 30 September 2010 The [[Schneiderware Analog Converter]] is a A/D and D/A Converter with 8 analog inputs, 2 analog outputs, published by german magazine [[CPC Schneider International]] as part of their [[Schneiderware]] DIY series. The plain PCB, or the fully assembled board were also available via mail-order.
The [[ECB Bus]] connector of the board is intended to be plugged into the [[Schneiderware Basisplatine]], but it could be also wired directly to the CPCs Expansion Port. The D/A converter additionally requires a [[Schneiderware Power Supply]] (or another external power supply with +12V) (eventually one could also use the CPC's disc drive power supply; though not tested if the supplies in the CTM644/GT65 monitors provide enough amps).
== I/O Ports ==
{|{{Prettytable|width: 700px; font-size: 2em;}}
|Address (default) || Address (alternate) || Usage
|-
|FAE0h || N/A || Schneiderware Analog Board ADC 0848 A/D Converter (R/W)<br>Read: Get 8bit data from selected channel<br>Write: Select channel & mode; bit0..2=channel (0..7), bit3..4=mode, bit5-7=unused<br>
* Mode 0 (or 1) - Differential: Plus=Channel(N), Minus=Channel(N XOR 1)
* Mode 2 - Single-Ended: Plus=Channel(N) and Minus=AGND
* Mode 3 - Pseudo-Differential: Plus=Channel(N) and Minus=Channel(7)
|-
|FAE1h || N/A || Schneiderware Analog Board DAC 0832 D/A Converter #1 (W)<br>Write: 8bit data
|-
|FAE2h || N/A || Schneiderware Analog Board DAC 0832 D/A Converter #2 (W)<br>Write: 8bit data
|-
|}
== Pictures ==
<gallery>
File:Schneiderware A-D and D-A Converter Schematic.png|DAC/ADC Schematic
</gallery>
== Article ==
* [[Schneiderware Analog Converter|Schneiderware #7 A/D and D/A Converter]] (8 analog inputs, 2 analog outputs) (3/1987 pages 32-45)