C2N232 is a Commodore C2N cassette drive (datassette) emulator with an RS-232 interface. It was designed by Marko Mäkelä (http://www.funet.fi/~msmakela/).
The hardware design (made with the Eagle layout editor by CadSoft) is based on two integrated circuits: an Atmel AT90S2313 microcontroller and a Maxim MAX232 line driver.
These files may be used according to the terms of the GNU General Public License. Essentially, you may make money and need not pay any royalties to anyone, and if you modify the design, you must make the modifications available on the same conditions.


dil.zip 2004-01-25 139194
First prototype design (schematic diagram and circuit board layout) for dual-in-line packaged chips (AT90S2313-DIP20 and MAX232-DIP16). The files are in CadSoft Eagle and PNG formats.
smd.zip 2004-01-25 110838
The two prototype surface mounted designs "smd" and "smdl". The archive contains the schematic diagrams and board layouts in CadSoft Eagle format and rewiring instructions to make the board compatible with newer designs.
smdcr.zip 2004-01-25 106900
Cost reduced surface mounted design of the board. There are no resistors, and only one type of capacitors are used. The originally planned 470 nF capacitors have been replaced with 100 nF. The microcontroller is programmed via the RS-232 interface. The files are in CadSoft Eagle and PNG formats.

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