---
title: IOUSBHostCICapabilitiesMessageControlPortCountPhase
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 11.0+]
path: kernel/3612495-anonymous/iousbhostcicapabilitiesmessagecontrolportcountphase
---

# IOUSBHostCICapabilitiesMessageControlPortCountPhase

## Declaration

```occ
IOUSBHostCICapabilitiesMessageControlPortCountPhase = IOUSBBitRangePhase(16, 19)
```