---
title: IOUSBLowLatencyIsocStruct
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/iousblowlatencyisocstruct
---

# IOUSBLowLatencyIsocStruct

## Declaration

```occ
typedef struct IOUSBLowLatencyIsocStruct {
    ...
} IOUSBLowLatencyIsocStruct;
```

## Topics

### Instance Properties

- [fBufSize](iokit/iousblowlatencyisocstruct/1426246-fbufsize.md)
- [fDataBufferCookie](iokit/iousblowlatencyisocstruct/1425473-fdatabuffercookie.md)
- [fDataBufferOffset](iokit/iousblowlatencyisocstruct/1426348-fdatabufferoffset.md)
- [fFrameListBufferCookie](iokit/iousblowlatencyisocstruct/1425383-fframelistbuffercookie.md)
- [fFrameListBufferOffset](iokit/iousblowlatencyisocstruct/1426051-fframelistbufferoffset.md)
- [fNumFrames](iokit/iousblowlatencyisocstruct/1425948-fnumframes.md)
- [fPipe](iokit/iousblowlatencyisocstruct/1426220-fpipe.md)
- [fStartFrame](iokit/iousblowlatencyisocstruct/1425917-fstartframe.md)
- [fUpdateFrequency](iokit/iousblowlatencyisocstruct/1426103-fupdatefrequency.md)