---
title: deviceMemoryRead8
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iopcidevice/4446112-devicememoryread8
---

# deviceMemoryRead8

## Declaration

```occ
IOReturn deviceMemoryRead8(uint8_t memoryIndex, uint64_t offset, uint8_t *readData, IOOptionBits options);
```