component
dp83tc812rrharq1
Public Made by Adomby adom
Texas Instruments Ethernet Transceivers, VQFN-36(6x6). Datasheet-verified pinout, KiCad symbol/footprint/3D.
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dp83tc812rrharq1: restore the component block (pinout + model declarations) from this page's own README and symbol
1 file changed
+249−1
page.json+249−1@@ -33,5 +33,253 @@ "author": { "name": "Ray", "email": "[email protected]"+ },+ "component": {+ "mpn": "DP83TC812RRHARQ1",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-36(6x6)",+ "pin_count": 37,+ "category": "Ethernet Transceivers",+ "parts": {+ "symbol": "dp83tc812rrharq1.kicad_sym",+ "footprint": "dp83tc812rrharq1.kicad_mod",+ "model_3d": "dp83tc812rrharq1-etched.glb",+ "model_3d_plain": "dp83tc812rrharq1.glb",+ "model_3d_step": "dp83tc812rrharq1-etched.step",+ "model_3d_step_plain": "dp83tc812rrharq1.step",+ "lbr": "dp83tc812rrharq1.lbr"+ },+ "pins": [+ {+ "number": "1",+ "name": "MDC",+ "type": "input",+ "description": "Management Data Clock. Synchronous clock for the MDIO serial management interface, up to 20 MHz; may be asynchronous to MAC TX/RX clocks. No minimum clock rate."+ },+ {+ "number": "2",+ "name": "INT_N",+ "type": "bidirectional",+ "description": "Active-LOW interrupt output with weak internal pull-up (open drain by default). Asserted LOW on interrupt; register access required to enable triggers and clear events. Can be configured as active-HIGH or as a power-down control input via register 0x0011."+ },+ {+ "number": "3",+ "name": "RESET_N",+ "type": "input",+ "description": "Active-LOW reset input with internal pull-up. Asserting LOW for at least 1 µs forces a full reset; all internal registers reinitialize to defaults and bootstrap pins are resampled on deassertion."+ },+ {+ "number": "4",+ "name": "XO",+ "type": "output",+ "description": "Reference Clock Output for crystal oscillator use only. Must be left floating when a CMOS-level oscillator is fed into XI."+ },+ {+ "number": "5",+ "name": "XI",+ "type": "input",+ "description": "Reference Clock Input. 25 MHz crystal or CMOS oscillator for MII/RGMII/RMII Master modes; 50 MHz CMOS oscillator required in RMII Slave mode. Also supports daisy-chained clock in from another PHY/MAC."+ },+ {+ "number": "6",+ "name": "LED_1/GPIO_1",+ "type": "bidirectional",+ "description": "Link Status and TX/RX BLINK activity LED with 9 kΩ internal pull-down (bootstrap). Can be reprogrammed as GPIO, LED, or clock output via strap/register."+ },+ {+ "number": "7",+ "name": "VSLEEP",+ "type": "power_in",+ "description": "3.3 V sleep-domain supply used to keep the wake circuitry alive in TC-10 sleep. Decouple with 0.1 µF ceramic."+ },+ {+ "number": "8",+ "name": "WAKE",+ "type": "bidirectional",+ "description": "Active-HIGH TC-10 sleep wake input/output with 455 kΩ internal pull-down. Driving HIGH wakes the PHY from TC-10 SLEEP; a 10 kΩ external pull-down is recommended when TC-10 is used. Can also emit a wake pulse to wake other PHYs."+ },+ {+ "number": "9",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection. May be left floating; connecting to any signal has no effect on PHY performance."+ },+ {+ "number": "10",+ "name": "INH",+ "type": "output",+ "description": "Active-HIGH open-drain-capable output used to enable an external regulator. Hi-Z during TC-10 SLEEP; HIGH in all other PHY states. Use a 2 kΩ-10 kΩ pull-down when implementing TC-10 (single pull-down shared if multiple PHYs share INH)."+ },+ {+ "number": "11",+ "name": "VDDA",+ "type": "power_in",+ "description": "3.3 V analog/core supply. Decouple with 0.47 µF and 0.01 µF ceramics; optional ferrite bead may be added."+ },+ {+ "number": "12",+ "name": "TRD_P",+ "type": "bidirectional",+ "description": "MDI differential transmit/receive positive line. Bidirectional 100BASE-T1 (IEEE 802.3bw) single-pair signaling. Pair with TRD_M through the CMC and CM-termination network to the automotive connector."+ },+ {+ "number": "13",+ "name": "TRD_M",+ "type": "bidirectional",+ "description": "MDI differential transmit/receive negative line. Bidirectional 100BASE-T1 (IEEE 802.3bw) single-pair signaling. Pair with TRD_P."+ },+ {+ "number": "14",+ "name": "RX_ER",+ "type": "output",+ "description": "Receive Error output for MII and RMII modes. Asserted HIGH synchronous to RX_CLK (MII) or the reference clock (RMII) when an error symbol is detected in a received packet. Unused in RGMII and SGMII modes (PHY corrupts data on receive errors automatically)."+ },+ {+ "number": "15",+ "name": "RX_DV/CRS_DV/RX_CTRL",+ "type": "output",+ "description": "MII Receive Data Valid, RMII Carrier Sense/Data Valid, or RGMII Receive Control depending on MAC-interface mode. Combines valid + error indication in RGMII (RX_DV on rising edge of RX_CLK, RX_ER on falling edge). Unused in SGMII mode."+ },+ {+ "number": "16",+ "name": "CLKOUT/GPIO_2",+ "type": "bidirectional",+ "description": "25 MHz reference clock output; also usable as LED or GPIO via strap/register. Program register 0x045F=0x000F and 0x0453=0x0003 to disable switching on this pin."+ },+ {+ "number": "17",+ "name": "GND_ESC",+ "type": "passive",+ "description": "Optional Ground Escape. May be tied to ground to improve PCB layout, but is NOT a substitute for the DAP ground connection. Leave unconnected if unused."+ },+ {+ "number": "18",+ "name": "GND_ESC",+ "type": "passive",+ "description": "Optional Ground Escape. May be tied to ground to improve PCB layout, but is NOT a substitute for the DAP ground connection. Leave unconnected if unused."+ },+ {+ "number": "19",+ "name": "DNC",+ "type": "unconnected",+ "description": "Do Not Connect. Leave floating."+ },+ {+ "number": "20",+ "name": "DNC",+ "type": "unconnected",+ "description": "Do Not Connect. Leave floating."+ },+ {+ "number": "21",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection. May be left floating; connecting to any signal has no effect on PHY performance."+ },+ {+ "number": "22",+ "name": "VDDMAC",+ "type": "power_in",+ "description": "Optional MAC-interface supply of 1.8 V, 2.5 V, or 3.3 V; may be at a different voltage level than the other I/O pins. Decouple with 0.47 µF and 0.01 µF ceramics and a ferrite bead. When not needed separately, tie to VDDIO through a shared ferrite bead (0.47 µF must remain local to VDDMAC)."+ },+ {+ "number": "23",+ "name": "RX_D3",+ "type": "output",+ "description": "MII Receive Data bit 3, valid on the rising edge of RX_CLK. Not used in RMII mode (unless bootstrapped to RMII Master, in which case this pin outputs a 50 MHz reference clock to the MAC). Not used in RGMII mode."+ },+ {+ "number": "24",+ "name": "RX_D2",+ "type": "output",+ "description": "MII Receive Data bit 2, valid on the rising edge of RX_CLK. Not used in RMII or RGMII modes."+ },+ {+ "number": "25",+ "name": "RX_D1",+ "type": "output",+ "description": "Receive Data bit 1, valid on the rising edge of RX_CLK in MII and RMII modes. Not used in RGMII mode."+ },+ {+ "number": "26",+ "name": "RX_D0",+ "type": "output",+ "description": "Receive Data bit 0, valid on the rising edge of RX_CLK in MII and RMII modes. Not used in RGMII mode."+ },+ {+ "number": "27",+ "name": "RX_CLK",+ "type": "output",+ "description": "Receive Clock. Provides a 25 MHz reference clock in MII and RGMII modes. Unused in RMII and SGMII modes."+ },+ {+ "number": "28",+ "name": "TX_CLK",+ "type": "bidirectional",+ "description": "Transmit Clock. In MII mode this is a 25 MHz output with a 50 Ω driver, phase-referenced to the reference clock. In RGMII mode the MAC drives a 25 MHz clock into this pin (not required to be phase-referenced unless synchronous RGMII is enabled). Unused in RMII and SGMII modes."+ },+ {+ "number": "29",+ "name": "TX_EN/TX_CTRL",+ "type": "input",+ "description": "MII/RMII Transmit Enable or RGMII Transmit Control. In MII, indicates valid data on TX_D[3:0] prior to the rising edge of TX_CLK; in RMII, prior to the rising edge of the reference clock. In RGMII, combines TX_EN (rising edge of TX_CLK) and TX_ER (falling edge). Unused in SGMII mode."+ },+ {+ "number": "30",+ "name": "TX_D3",+ "type": "input",+ "description": "MII Transmit Data bit 3, sampled on the rising edge of TX_CLK. Not used in RMII or RGMII modes."+ },+ {+ "number": "31",+ "name": "TX_D2",+ "type": "input",+ "description": "MII Transmit Data bit 2, sampled on the rising edge of TX_CLK. Not used in RMII or RGMII modes."+ },+ {+ "number": "32",+ "name": "TX_D1",+ "type": "input",+ "description": "Transmit Data bit 1, sampled on the rising edge of TX_CLK (MII) or the reference clock (RMII). Not used in RGMII mode."+ },+ {+ "number": "33",+ "name": "TX_D0",+ "type": "input",+ "description": "Transmit Data bit 0, sampled on the rising edge of TX_CLK (MII) or the reference clock (RMII). Not used in RGMII mode."+ },+ {+ "number": "34",+ "name": "VDDIO",+ "type": "power_in",+ "description": "Digital I/O supply of 1.8 V, 2.5 V, or 3.3 V. Decouple with a ferrite bead plus 0.47 µF and 0.01 µF ceramics."+ },+ {+ "number": "35",+ "name": "LED_0/GPIO_0",+ "type": "bidirectional",+ "description": "Link Status LED with 9 kΩ internal pull-down (bootstrap). Can also be used as a GPIO or clock output via register selection."+ },+ {+ "number": "36",+ "name": "MDIO",+ "type": "bidirectional",+ "description": "Management Data Input/Output. Open-drain bidirectional serial management line sourced by the management station or the PHY. Requires an external pull-up resistor between 2.2 kΩ and 9 kΩ (single shared pull-up on a bus with multiple PHYs)."+ },+ {+ "number": "DAP",+ "name": "GND",+ "type": "power_in",+ "description": "Die Attach Pad ground. Must always be connected to power ground.",+ "thermal_pad": true+ }+ ],+ "provenance": {+ "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } }-}+}