---
title: __reservedA
framework: IOKit
role: pseudoSymbol
path: iokit/ioi2cinterface_h_user-space/ioi2cbustiming/1812622-_reserveda
---

# __reservedA

Set to zero.

## See Also

### Fields

- [bitTimeout](iokit/ioi2cbustiming/1410318-bittimeout.md)
- [byteTimeout](iokit/ioi2cbustiming/1410362-bytetimeout.md)
- [acknowledgeTimeout](iokit/ioi2cbustiming/1410369-acknowledgetimeout.md)
- [startTimeout](iokit/ioi2cbustiming/1410316-starttimeout.md)
- [riseFallTime](iokit/ioi2cbustiming/1410322-risefalltime.md)