160 Channel VME Digital Input / Output Card without Interrupts
PAS 9797/DIO - Precision Analog Systems Co. (Precision)
The PAS 9797/DIO is a VME based, 160 Channel, TTL level, Digital Input / Output card. One hundred twenty eight channels are arranged as sixteen, byte wide bi-directional data ports. These are the primary data ports and support 32 bit transfers. The remaining thirty two channels are arranged as four byte wide bidirectional data ports. Each port consists of an eight bit output data register with output enable, and an eight bit input buffer.
