In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote:

Tim,
  You should only need 44 bytes of ram to control 352 outputs.

  You probably want a RC circuit to the latch. That would be a resistor between the SX pin and the latch pin, and a cap from the latch pin to ground. You might try a 1K resistor and a 1uF cap. This will filter out any really quick pulses and prevent it from latching on noise. You will have to make sure the actual latch pulse is long enough to get through the filter though.

Bean

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