User`s manual

10.2.3 Programming :
void AnalogOutput(int DataIn )
DataIn = 0 – 4095 (Note 4095 4.095V)
int AnalogIn( void )
Return value= 0 - 4095
Mapping formula: Vref / 4096 (Note: Vref=2.5v)
For Software Installation & Demo Program, Refer to Section 2.2.2
I/O Expansion Bus for 7188X/7188E User’s Manual, Jun/2004 v1.4, 7PH-000-14---73