AT32F415 OTG New Features
●This document introduces how to use AT32F415C OTG new features as below:
◆Feature 1: In OTGFS Device mode, VBUS (PA9) can be configured for use by other peripherals; Set bit[21]=1 in the OTG_FS_GCCFG register to enable feature 1.
◆Feature 2: In OTG_FS Device mode, endpoint 3 supports remap. Once enabled, it can be used as endpoint 3 and endpoint 4 (depending on the configuration of USB device) to communicate with host simultaneously.
◆Set ((uint32_t *)0x40021044) |= 0x80000000 to enable feature 2.
●This sample code applies to Revision C products of AT32F415 series, which integrates ARM™ 32-bit Cortex®-M4 core.
●Table 2 lists all product models, and Table 1 lists the identification method of products mentioned in this document.
◆Revision code on the device marking
◆The last number of product identification on the packaging label
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Reference Program |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021.12.10 |
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Ver 2.0.0 |
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SC0058 |
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663 KB |
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