---
title: kUSBHighSpeedMicrosecondsInFrame
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646388-anonymous/kusbhighspeedmicrosecondsinframe
---

# kUSBHighSpeedMicrosecondsInFrame

## Declaration

```occ
kUSBHighSpeedMicrosecondsInFrame = 125
```

## Discussion

Discussion The device is attached to a bus running at high speed (125 microseconds / frame).