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TUSB1211A1ZRQR Datasheet(PDF) 35 Page - Texas Instruments |
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TUSB1211A1ZRQR Datasheet(HTML) 35 Page - Texas Instruments |
35 / 80 page TUSB1211 www.ti.com SLLSE80B – MARCH 2011 – REVISED JUNE 2015 5.4.5 FUNC_CTRL ADDRESS OFFSET 0x04 PHYSICAL ADDRESS 0x04 INSTANCE USB_SCUSB DESCRIPTION Controls UTMI function settings of the PHY. TYPE RW WRITE LATENCY 7 6 5 4 3 2 1 0 Reserved SUSPENDM RESET OPMODE TERMSELECT XCVRSELECT BITS FIELD NAME DESCRIPTION TYPE RESET 7 Reserved R 0 6 SUSPENDM Active low PHY suspend. Put PHY into Low Power Mode. In Low Power RW 1 Mode the PHY power down all blocks except the full speed receiver, OTG comparators, and the ULPI interface pins. The PHY automatically set this bit to '1' when Low Power Mode is exited. 5 RESET Active high transceiver reset. Does not reset the ULPI interface or ULPI RW 0 register set. Once set, the PHY asserts the DIR signal and reset the UTMI core. When the reset is completed, the PHY de-asserts DIR and clears this bit. After de- asserting DIR, the PHY re-assert DIR and send an RX command update. Note: This bit is auto-cleared, this explain why it can't be read at '1'. 4:03 OPMODE Select the required bit encoding style during transmit RW 0x0 0x0: Normal operation 0x1: Non-driving 0x2: Disable bit-stuff and NRZI encoding 0x3: Reserved (No SYNC and EOP generation feature not supported) 2 TERMSELECT Controls the internal 1.5 k Ω pullup resistor and 45 Ω HS terminations. Control RW 0 over bus resistors changes depending on XcvrSelect, OpMode, DpPulldown and DmPulldown. 1:0 XCVRSELECT Select the required transceiver speed. RW 0x1 0x0: Enable HS transceiver 0x1: Enable FS transceiver 0x2: Enable LS transceiver 0x3: Enable FS transceiver for LS packets (FS preamble is automatically pre-pended) Copyright © 2011–2015, Texas Instruments Incorporated Detailed Description 35 Submit Documentation Feedback Product Folder Links: TUSB1211 |
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