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  DSC03665.JPG - The microprocessor is a 8 bit TMS7020 clocked (internally) at 2 MHz. A second processor TMS7040 contains an UART and takes care of I/O related work. RAM is 32 kB. Another  important helper chip is the sound and voice generator 5220 and the 3556 video generator (see annotated picture of motherboardlater in the album).  
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The microprocessor is a 8 bit TMS7020 clocked (internally) at 2 MHz. A second processor TMS7040 contains an UART and takes care of I/O related work. RAM is 32 kB. Another important helper chip is the sound and voice generator 5220 and the 3556 video generator (see annotated picture of motherboardlater in the album). Download
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