MB86616 Datasheet, PDF (5/63 Pages) Fujitsu Component Limited. – IEEE1394-SCSI Tailgate

I/O types:
ID : Digital input pin (with pull-down resistor)
O : Digital output pin
ID/O : Digital input/output pin (with pull-down resistor)
IU/O : Digital input/output pin (with pull-up resistor)
SI/O : SCSI input/output pin
AI : Analog input pin
AO : Analog output pin
AI/O : Analog input/output pin
MB86616
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