---
title: aclrtTimeoutUs
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_2090.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_2090.html
indexId: 0940030f6c5e12c0a0661b38e36f4d9d39a59742355973c8006def9e25fb67a768
---
# aclrtTimeoutUs

```
typedef struct {
    uint32_t timeoutLow;  // 超时时间的低32位值
    uint32_t timeoutHigh; // 超时时间的高32位值
} aclrtTimeoutUs;
```