---
title: tIOUSB30TimingParameters
framework: USBDriverKit
role: symbol
role_heading: Enumeration
platforms: [driverkit 19.0+]
path: usbdriverkit/tiousb30timingparameters
---

# tIOUSB30TimingParameters

Constants for USB 3.0 timing parameters.

## Declaration

```occ
enum tIOUSB30TimingParameters : unsigned int;
```

## Discussion

Discussion For information about these constants, see Table 8-36 of the USB 3.1 specification at http://www.usb.org.

## Topics

### Getting the Timing Parameters

- [kIOUSB30TimingParameterBELTDefaultNs](usbdriverkit/tiousb30timingparameters/kiousb30timingparameterbeltdefaultns.md)
- [kIOUSB30TimingParameterBELTMinNs](usbdriverkit/tiousb30timingparameters/kiousb30timingparameterbeltminns.md)

## See Also

### Timing Parameters

- [tIOUSB30LinkStateTimeout](usbdriverkit/tiousb30linkstatetimeout.md)
- [tIOUSB30ResetTimeout](usbdriverkit/tiousb30resettimeout.md)
- [Timing Parameters](usbdriverkit/timing_parameters-enum.md)