---
title: kIOUSB30TimingParameterBELTMinNs
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousb30timingparameters/kiousb30timingparameterbeltminns
---

# kIOUSB30TimingParameterBELTMinNs

The BELT minimum in nanoseconds.

## Declaration

```occ
kIOUSB30TimingParameterBELTMinNs = 125 * 1000
```