SPP Data 0 SPP Write Standard SPP data port. No autostrobing. SPP Status 1 SPP Read Reads the input status lines on the interface. SPP Control 2 SPP Write Sets the state of the output control lines.
SPP Data 0 SPP Write Standard SPP data port. No autostrobing. SPP Status 1 SPP Read Reads the input status lines on the interface. SPP Control 2 SPP Write Sets the state of the output control lines.