# CIO-PDMA16, CIO-PDMA32

The CIO-PDMA16, CIO-PDMA32 support the following UL and UL for .NET features.

## Digital I/O

Functions

UL: cbDInScan(), cbDOutScan(), cbDIn(), cbDOut(), cbDBitIn(), cbDBitOut(), cbDConfigPort()

UL for .NET: DInScan(), DOutScan(), DIn(), DOut(), DBitIn(), DBitOut(), DConfigPort()

PortNum

AUXPORT, FIRSTPORTA, FIRSTPORTB

DataValue

0 to 7 using AUXPORT (only cbDOut()/DOut() are supported)

0 to 255 using FIRSTPORTA and FIRSTPORTB

0 to 65,535 using WORDXFER FIRSTPORTA

BitNum

0 to 2 using AUXPORT (only cbDBitOut()/DBitOut() are supported)

0 to 15 using FIRSTPORTA

Rate

CIO-PDMA16: 125 kWords

CIO-PDMA32: 750 kWords

Options

BACKGROUND, CONTINUOUS, EXTCLOCK, WORDXFER

## Hardware considerations

##### Digital I/O pacing

Hardware pacing, external or internal clock supported.