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A13 Folha de dados(PDF) 48 Page - List of Unclassifed Manufacturers |
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A13 Folha de dados(HTML) 48 Page - List of Unclassifed Manufacturers |
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48 / 55 page ![]() Allwinner Technology CO., Ltd. A13 Datasheet v1.30 Copyright © 2012 Allwinner Technology. All Rights Reserved. 47 December 10, 2012 20. USB HOST Controller 20.1. Overview USB Host Controller is fully compliant with the USB 2.0 specification, Enhanced Host Controller Interface (EHCI) Specification, Revision 1.0, and the Open Host Controller Interface (OHCI) Specification Release 1.0a. The controller supports high-speed, 480-Mbps transfers (40 times faster than USB 1.1 full-speed mode) using an EHCI Host Controller, as well as full and low speeds through one or more integrated OHCI Host Controllers. It features: Include an internal DMA Controller for data transfer with memory. Comply with Enhanced Host Controller Interface (EHCI) Specification, Version 1.0, and the Open Host Controller Interface (OHCI) Specification, Version 1.0a. Support High-Speed (HS, 480-Mbps), Full-Speed (FS, 12-Mbps), and Low-Speed (LS, 1.5-Mbps) Device. Support only one USB Root Port shared between EHCI and OHCI 20.2. USB HOST Controller Signal Description Signal Name Description Type UDM1 USB1 HOST DM IO UDP1 USB1 HOST DP IO Table 20. USB Host Controller Signal Description |
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