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TMS320DM814x Datasheet(PDF) 362 Page - Texas Instruments |
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TMS320DM814x Datasheet(HTML) 362 Page - Texas Instruments |
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362 / 376 page  TMS320DM8148, TMS320DM8147 SPRS647E – MARCH 2011 – REVISED DECEMBER 2013 www.ti.com 8.22 Universal Serial Bus (USB2.0) The device includes two USB2.0 modules which support the Universal Serial Bus Specification Revision 2.0. The following are some of the major USB features that are supported: • USB 2.0 peripheral at high speed (HS: 480 Mbps) and full speed (FS: 12 Mbps) • USB 2.0 host at HS, FS, and low speed (LS: 1.5 Mbps) • Each endpoint (other than endpoint 0, control only) can support all transfer modes (control, bulk, interrupt, and isochronous) • Supports high-bandwidth ISO mode • Supports 16 Transmit (TX) and 16 Receive (RX) endpoints including endpoint 0 • FIFO RAM – 32K endpoint – Programmable size • Includes two integrated PHYs • RNDIS-like mode for terminating RNDIS-type protocols without using short-packet termination for support of MSC applications. • USB OTG extensions — session request protocol (SRP) and host negotiation protocol (HNP) The USB2.0 peripherals do not support the following features: • On-chip charge pump (VBUS Power must be generated external to the device.) • RNDIS mode acceleration for USB sizes that are not multiples of 64 bytes • Endpoint max USB packet sizes that do not conform to the USB 2.0 spec (for FS/LS: 8, 16, 32, 64, – and 1023 are defined; for HS: 64, 128, 512, and 1024 are defined For more detailed information on the USB2.0 peripheral, see the Universal Serial Bus (USB) chapter of the TMS320DM814x DaVinci Digital Media Processors Technical Reference Manual (Literature Number: SPRUGZ8). 8.22.1 USB2.0 Peripheral Register Descriptions Table 8-111. USB2.0 Submodules SUBMODULE SUBMODULE NAME ADDRESS OFFSET 0x0000 USBSS registers 0x1000 USB0 controller registers 0x1800 USB1 controller registers 0x2000 CPPI DMA controller registers 0x3000 CPPI DMA scheduler registers 0x4000 CPPI DMA Queue Manager registers Table 8-112. USB Subsystem (USBSS) Registers(1) HEX ADDRESS ACRONYM REGISTER NAME 0x4740 0000 REVREG USBSS REVISION 0x4740 0004 - 0x4740 000C - Reserved 0x4740 0010 SYSCONFIG USBSS SYSCONFIG 0x4740 0014 - 0x4740 001C - Reserved 0x4740 0020 EOI USBSS IRQ_EOI 0x4740 0024 IRQSTATRAW USBSS IRQ_STATUS_RAW 0x4740 0028 IRQSTAT USBSS IRQ_STATUS (1) USBSS registers contain the registers that are used to control at the global level and apply to all sub-modules. 362 Peripheral Information and Timings Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TMS320DM8148 TMS320DM8147 |
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