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TNETV1647GSTZWT Datasheet(PDF) 185 Page - Texas Instruments |
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TNETV1647GSTZWT Datasheet(HTML) 185 Page - Texas Instruments |
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185 / 236 page  TMS320DM6441 www.ti.com SPRS359E – SEPTEMBER 2006 – REVISED AUGUST 2010 6.14 USB 2.0 The DM6441 USB2.0 peripheral supports the following features: • USB 2.0 peripheral at speeds high speed (HS: 480 Mb/s) and full speed (FS: 12 Mb/s) • USB 2.0 host at speeds HS, FS, and low speed (LS: 1.5 Mb/s) • All transfer modes (control, bulk, interrupt, and isochronous) • Four transmit (TX) and four receive (RX) endpoints in addition to endpoint 0 • FIFO RAM – 4K endpoint – Programmable size • Connects to a standard charge pump for VBUS 5 V generation • RNDIS mode for accelerating RNDIS type protocols using short packet termination over USB 6.14.1 USBPHY_CTL Register Description The USB physical interface control register USBPHY_CTL is described in Figure 6-55 and Table 6-66. Figure 6-55. USBPHY_CTL Register 31 9 8 RESERVED PHYCLKGD R-0000 0000 0000 0000 0000 000 R-0 7 6 5 4 3 2 1 0 SESNDEN VBDTCTEN RSV PHYPLLON CLKO1SEL OSCPDWN RSV PHYPDWN R/W-1 R/W-1 R-0 R/W-0 R/W-0 R/W-1 R/W-1 R/W-1 LEGEND: R = Read, W = Write, n = value at reset Table 6-66. USBPHY_CTL Register Field Descriptions Bit Field Value Description 31 - 9 RESERVED Reserved 8 PHYCLKGD USB PHY Power and Clock Good 0 PHY power not ramped or PLL not locked 1 PHY power is good and PLL is locked 7 SESNDEN Session End Comparator enable 0 Comparator disabled 1 Comparator enabled 6 VBDTCTEN vbus comparator enable 0 Comparators (except session end) disabled 1 Comparators (except session end) enabled 5 RESERVED Reserved 4 PHYPLLON USB PHY PLL suspend override 0 Normal PLL operation 1 Override PLL suspend state 3 CLKO1SEL CLK_OUT1 frequency select 0 24 MHz 1 12 MHz 2 OSCPDWN USB PHY oscillator power down control 0 PHY oscillator powered 1 PHY oscillator power off 1 RESERVED Reserved Copyright © 2006–2010, Texas Instruments Incorporated Peripheral and Electrical Specifications 185 Submit Documentation Feedback Product Folder Link(s): TMS320DM6441 |
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