On 2/11/2012 12:03 PM, Gerrit Heitsch wrote: > On 02/11/2012 06:57 PM, Jim Brain wrote: >> On 2/11/2012 11:20 AM, Gerrit Heitsch wrote: >>> On 02/11/2012 06:02 PM, Jim Brain wrote: >>>> >>> If you want to use the motor line for I2C, but still be able to use >>> the tape drive, why not set up a low pass filter on it so the motor >>> line that the tape drive sees only gets activated if there is a true >>> static signal on the line and not the I2C data or clock. >>> >>> Gerrit >>> >>> >>> Message was sent through the cbm-hackers mailing list >> I'd prefer not to use the MOTOR line, due to the voltages, the possible >> skew, and the upper limit on switching speed due to the voltage division >> used (resistors). > > Ok, but with a 264 system you won't have much choice unless you want > to use a line that is also used by the IEC bus. > It connects to the IEC CLK line, I can live with that. Maybe my concern with MOTOR/WRITE is unreasonable, as those lines should work on all cassette ports. Jim -- Jim Brain brain@jbrain.com www.jbrain.com Message was sent through the cbm-hackers mailing listReceived on 2012-02-11 19:00:17
Archive generated by hypermail 2.2.0.