---
title: deviceMemoryRead32
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iopcidevice/4446110-devicememoryread32
---

# deviceMemoryRead32

## Declaration

```occ
IOReturn deviceMemoryRead32(uint8_t memoryIndex, uint64_t offset, uint32_t *readData, IOOptionBits options);
```