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

[3]Eric & Sparks,[/3]

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[3]<SPAN style="mso-spacerun: yes">   Is the SX running at 3.3V?<SPAN style="mso-spacerun: yes">  If not I wouldn't connect them directly, but rather I would place a resistor in between the I/O pins.<SPAN style="mso-spacerun: yes">  See the sticky thread in the Propeller Forum if connecting 3.3V devices (Propeller) and 5V devices (SX?).Take care.[/3]

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