---
title: kUSBControllerNeedsContiguousMemoryForIsoch
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.4+]
path: iokit/kusbcontrollerneedscontiguousmemoryforisoch
---

# kUSBControllerNeedsContiguousMemoryForIsoch

## Declaration

```occ
#define kUSBControllerNeedsContiguousMemoryForIsoch
```

## Discussion

Discussion Useful property names in USB land.