# RTL8720 GDMA

**URL:** <https://forum.amebaiot.com/t/rtl8720-gdma/928>\
**Category:** Peripherals\
**Tags:** dmac, spi\
**Created:** [November 24, 2021, 1:58pm UTC](https://forum.amebaiot.com/t/rtl8720-gdma/928 "2021-11-24T13:58:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![qwe775208732](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/qwe775208732/32/723_2.png) [@qwe775208732](https://forum.amebaiot.com/u/qwe775208732)\
**Post date:** [November 24, 2021, 1:58pm UTC](https://forum.amebaiot.com/t/rtl8720-gdma/928/1 "2021-11-24T13:58:25Z")

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我在使用GDMA时发现有时候使能时USI的SPI有时候前16个数据接收失败，但是后面数据接收到了，有没有大伙遇到这种情况

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**Author:** ![xidameng](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/xidameng/32/18_2.png) [@xidameng](https://forum.amebaiot.com/u/xidameng)\
**Post date:** [November 25, 2021, 3:14am UTC](https://forum.amebaiot.com/t/rtl8720-gdma/928/2 "2021-11-25T03:14:07Z")

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你好，請問你用的是什麽開發環境呢？版本號是什麽？

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**Author:** ![jumingmaster](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.amebaiot.com/jumingmaster/32/726_2.png) [@jumingmaster](https://forum.amebaiot.com/u/jumingmaster)\
**Post date:** [November 26, 2021, 4:09am UTC](https://forum.amebaiot.com/t/rtl8720-gdma/928/3 "2021-11-26T04:09:15Z")

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开发环境Win10，SDK: ambd\_sdk QC-V1.0.0