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DS90UB949TRGCRQ1
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Texas Instruments Serializers / Deserializers, VQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+102@@ -0,0 +1,102 @@+# DS90UB949TRGCRQ1++**Texas Instruments** · Serializers / Deserializers · VQFN-64-EP(9x9)++DS90UB949TRGCRQ1 from Texas Instruments, in a VQFN-64-EP(9x9). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | CEC | bidirectional | Open-drain Consumer Electronic Control channel I/O; pull up with a 27-kΩ resistor to 3.3 V. |+| 2 | RES0 | passive | Reserved; tie to GND. |+| 3 | VDDIO | power_in | 1.8-V (±5%) IO supply. |+| 4 | GPIO0/SDIN | bidirectional | LVCMOS BCC GPIO0, shared with master-mode auxiliary I2S data input SDIN. |+| 5 | GPIO1/SWC | bidirectional | LVCMOS BCC GPIO1, shared with master-mode I2S word clock output SWC. |+| 6 | I2CSEL/SCLK | bidirectional | I2C voltage strap read at power-up (10-kΩ to VDDIO for 1.8-V I2C, float for 3.3-V I2C), then switches to master-mode I2S clock output SCLK. |+| 7 | VDDL11 | power_in | 1.1-V (±5%) digital supply. |+| 8 | D_GPIO0/MOSI | bidirectional | LVCMOS high-speed GPIO0 shared with SPI MOSI (dual-link mode only). |+| 9 | VDDA11 | power_in | 1.1-V (±5%) analog supply. |+| 10 | D_GPIO1/MISO | bidirectional | LVCMOS high-speed GPIO1 shared with SPI MISO (dual-link mode only). |+| 11 | D_GPIO2/SPLK | bidirectional | LVCMOS high-speed GPIO2 shared with SPI clock (dual-link mode only). |+| 12 | D_GPIO3/SS | bidirectional | LVCMOS high-speed GPIO3 shared with SPI slave select (dual-link mode only). |+| 13 | INTB | output | Open-drain active-low remote interrupt output; pull up to VDDIO with 4.7 kΩ. |+| 14 | SDA | bidirectional | Open-drain I2C data I/O; requires external pullup to 1.8 V or 3.3 V (recommended 4.7 kΩ), do not float. |+| 15 | SCL | bidirectional | Open-drain I2C clock I/O; requires external pullup to 1.8 V or 3.3 V (recommended 4.7 kΩ), do not float. |+| 16 | MCLK | bidirectional | LVCMOS master-mode I2S system clock input/output. |+| 17 | VDDP11 | power_in | 1.1-V (±5%) PLL supply. |+| 18 | MODE_SEL0 | input | Analog mode select 0 input set by resistor divider (see Table 6). |+| 19 | IDx | input | Analog I2C serial control bus device ID address select. |+| 20 | LFT | passive | FPD-Link III loop filter; connect a 10-nF capacitor to GND. |+| 21 | VDDHS11 | power_in | 1.1-V (±5%) supply. |+| 22 | DOUT1- | output | FPD-Link III inverting output 1; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x. |+| 23 | DOUT1+ | output | FPD-Link III true output 1; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x. |+| 24 | VDD18 | power_in | 1.8-V (±5%) analog supply. |+| 25 | VDDS11 | power_in | 1.1-V (±5%) serializer supply. |+| 26 | DOUT0- | output | FPD-Link III inverting output 0; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x. |+| 27 | DOUT0+ | output | FPD-Link III true output 0; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x. |+| 28 | VDDHS11 | power_in | 1.1-V (±5%) supply. |+| 29 | RES1 | passive | Reserved; tie to GND. |+| 30 | RES2 | passive | Reserved; connect with 50 Ω to GND. |+| 31 | PDB | input | LVCMOS power-down mode input (active-high enable). |+| 32 | MODE_SEL1 | input | Analog mode select 1 input set by resistor divider (see Table 6). |+| 33 | I2S_WC/GPIO7_REG | bidirectional | Slave-mode I2S word clock input shared with register-only GPIO7. |+| 34 | I2S_CLK/GPIO8_REG | bidirectional | Slave-mode I2S clock input shared with register-only GPIO8. |+| 35 | I2S_DA/GPIO6_REG | bidirectional | Slave-mode I2S data input shared with register-only GPIO6. |+| 36 | I2S_DB/GPIO5_REG | bidirectional | Slave-mode I2S data input shared with register-only GPIO5. |+| 37 | I2S_DC/GPIO2 | bidirectional | Slave-mode I2S data input shared with BCC GPIO2. |+| 38 | I2S_DD/GPIO3 | bidirectional | Slave-mode I2S data input shared with BCC GPIO3. |+| 39 | X1 | input | Optional CEC reference clock input, 25 MHz 0.1% 45-55% duty cycle at 1.8-V CMOS level; leave open if unused. |+| 40 | REM_INTB | output | Open-drain remote interrupt mirroring INTB_IN from the deserializer; external 1.8-V pullup required (recommended 4.7 kΩ). |+| 41 | VDDL11 | power_in | 1.1-V (±5%) digital supply. |+| 42 | HPD | output | Open-drain Hot Plug Detect output; pull up to RX_5V with a 1-kΩ resistor. |+| 43 | RX_5V | input | HDMI 5-V detect input. |+| 44 | DDC_SDA | bidirectional | Open-drain DDC slave serial data; pull up to RX_5V with 47 kΩ. |+| 45 | DDC_SCL | input | Open-drain DDC slave serial clock; pull up to RX_5V with 47 kΩ. |+| 46 | VDDIO | power_in | 1.8-V (±5%) IO supply. |+| 47 | NC0 | unconnected | No connect; leave floating, do not connect to VDD or GND. |+| 48 | NC1 | unconnected | No connect; leave floating, do not connect to VDD or GND. |+| 49 | IN_CLK- | input | TMDS clock differential input (negative). |+| 50 | IN_CLK+ | input | TMDS clock differential input (positive). |+| 51 | VDD18 | power_in | 1.8-V (±5%) analog supply. |+| 52 | VDDHA11 | power_in | 1.1-V (±5%) TMDS supply. |+| 53 | NC2 | unconnected | No connect; leave floating, do not connect to VDD or GND. |+| 54 | VDDHA11 | power_in | 1.1-V (±5%) TMDS supply. |+| 55 | IN_D0- | input | TMDS data channel 0 differential input (negative). |+| 56 | IN_D0+ | input | TMDS data channel 0 differential input (positive). |+| 57 | VTERM | power_in | 3.3-V (±5%) supply for DC-coupled internal termination or 1.8-V (±5%) for AC-coupled termination. |+| 58 | VDDHA11 | power_in | 1.1-V (±5%) TMDS supply. |+| 59 | IN_D1- | input | TMDS data channel 1 differential input (negative). |+| 60 | IN_D1+ | input | TMDS data channel 1 differential input (positive). |+| 61 | VDDHA11 | power_in | 1.1-V (±5%) TMDS supply. |+| 62 | IN_D2- | input | TMDS data channel 2 differential input (negative). |+| 63 | IN_D2+ | input | TMDS data channel 2 differential input (positive). |+| 64 | VDD18 | power_in | 1.8-V (±5%) analog supply. |+| 65 | GND | power_in | Exposed thermal pad (DAP) ground; connect to ground plane with at least 9 vias. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-64-EP(9x9) |+| Category | Communication Interface Chip/UART/485/232 |+| Pins | 65 |++## CAD (KiCad official)++- Symbol: `DS90UB949TRGCRQ1`+- Footprint: `Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP6x6mm`+- 3D model: VQFN-64-EP(9x9) (KiCad packages3D, STEP)+- 3D model files: `ds90ub949trgcrq1-etched.step` / `ds90ub949trgcrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ds90ub949trgcrq1.step` / `ds90ub949trgcrq1.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ds90ub949-q1) (88 pp, sha256 `6c33021a3706f57f`, retrieved 2026-10-07, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ds90ub949trgcrq1-datasheet.pdf)
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pull up with a 27-kΩ resistor to 3.3 V."+ },+ {+ "number": "2",+ "name": "RES0",+ "type": "passive",+ "description": "Reserved; tie to GND."+ },+ {+ "number": "3",+ "name": "VDDIO",+ "type": "power_in",+ "description": "1.8-V (±5%) IO supply."+ },+ {+ "number": "4",+ "name": "GPIO0/SDIN",+ "type": "bidirectional",+ "description": "LVCMOS BCC GPIO0, shared with master-mode auxiliary I2S data input SDIN."+ },+ {+ "number": "5",+ "name": "GPIO1/SWC",+ "type": "bidirectional",+ "description": "LVCMOS BCC GPIO1, shared with master-mode I2S word clock output SWC."+ },+ {+ "number": "6",+ "name": "I2CSEL/SCLK",+ "type": "bidirectional",+ "description": "I2C voltage strap read at power-up (10-kΩ to VDDIO for 1.8-V I2C, float for 3.3-V I2C), then switches to master-mode I2S clock output SCLK."+ },+ {+ "number": "7",+ "name": "VDDL11",+ "type": "power_in",+ "description": "1.1-V (±5%) digital supply."+ },+ {+ "number": "8",+ "name": "D_GPIO0/MOSI",+ "type": "bidirectional",+ "description": "LVCMOS high-speed GPIO0 shared with SPI MOSI (dual-link mode only)."+ },+ {+ "number": "9",+ "name": "VDDA11",+ "type": "power_in",+ "description": "1.1-V (±5%) analog supply."+ },+ {+ "number": "10",+ "name": "D_GPIO1/MISO",+ "type": "bidirectional",+ "description": "LVCMOS high-speed GPIO1 shared with SPI MISO (dual-link mode only)."+ },+ {+ "number": "11",+ "name": "D_GPIO2/SPLK",+ "type": "bidirectional",+ "description": "LVCMOS high-speed GPIO2 shared with SPI clock (dual-link mode only)."+ },+ {+ "number": "12",+ "name": "D_GPIO3/SS",+ "type": "bidirectional",+ "description": "LVCMOS high-speed GPIO3 shared with SPI slave select (dual-link mode only)."+ },+ {+ "number": "13",+ "name": "INTB",+ "type": "output",+ "description": "Open-drain active-low remote interrupt output; pull up to VDDIO with 4.7 kΩ."+ },+ {+ "number": "14",+ "name": "SDA",+ "type": "bidirectional",+ "description": "Open-drain I2C data I/O; requires external pullup to 1.8 V or 3.3 V (recommended 4.7 kΩ), do not float."+ },+ {+ "number": "15",+ "name": "SCL",+ "type": "bidirectional",+ "description": "Open-drain I2C clock I/O; requires external pullup to 1.8 V or 3.3 V (recommended 4.7 kΩ), do not float."+ },+ {+ "number": "16",+ "name": "MCLK",+ "type": "bidirectional",+ "description": "LVCMOS master-mode I2S system clock input/output."+ },+ {+ "number": "17",+ "name": "VDDP11",+ "type": "power_in",+ "description": "1.1-V (±5%) PLL supply."+ },+ {+ "number": "18",+ "name": "MODE_SEL0",+ "type": "input",+ "description": "Analog mode select 0 input set by resistor divider (see Table 6)."+ },+ {+ "number": "19",+ "name": "IDx",+ "type": "input",+ "description": "Analog I2C serial control bus device ID address select."+ },+ {+ "number": "20",+ "name": "LFT",+ "type": "passive",+ "description": "FPD-Link III loop filter; connect a 10-nF capacitor to GND."+ },+ {+ "number": "21",+ "name": "VDDHS11",+ "type": "power_in",+ "description": "1.1-V (±5%) supply."+ },+ {+ "number": "22",+ "name": "DOUT1-",+ "type": "output",+ "description": "FPD-Link III inverting output 1; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."+ },+ {+ "number": "23",+ "name": "DOUT1+",+ "type": "output",+ "description": "FPD-Link III true output 1; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."+ },+ {+ "number": "24",+ "name": "VDD18",+ "type": "power_in",+ "description": "1.8-V (±5%) analog supply."+ },+ {+ "number": "25",+ "name": "VDDS11",+ "type": "power_in",+ "description": "1.1-V (±5%) serializer supply."+ },+ {+ "number": "26",+ "name": "DOUT0-",+ "type": "output",+ "description": "FPD-Link III inverting output 0; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."+ },+ {+ "number": "27",+ "name": "DOUT0+",+ "type": "output",+ "description": "FPD-Link III true output 0; AC-couple with 0.1 µF for 92x deserializers or 33 nF for 94x."+ },+ {+ "number": "28",+ "name": "VDDHS11",+ "type": "power_in",+ "description": "1.1-V (±5%) supply."+ },+ {+ "number": "29",+ "name": "RES1",+ "type": "passive",+ "description": "Reserved; tie to GND."+ },+ {+ "number": "30",+ "name": "RES2",+ "type": "passive",+ "description": "Reserved; connect with 50 Ω to GND."+ },+ {+ "number": "31",+ "name": "PDB",+ "type": "input",+ "description": "LVCMOS power-down mode input (active-high enable)."+ },+ {+ "number": "32",+ "name": "MODE_SEL1",+ "type": "input",+ "description": "Analog mode select 1 input set by resistor divider (see Table 6)."+ },+ {+ "number": "33",+ "name": "I2S_WC/GPIO7_REG",+ "type": "bidirectional",+ "description": "Slave-mode I2S word clock input shared with register-only GPIO7."+ },+ {+ "number": "34",+ "name": "I2S_CLK/GPIO8_REG",+ "type": "bidirectional",+ "description": "Slave-mode I2S clock input shared with register-only GPIO8."+ },+ {+ "number": "35",+ "name": "I2S_DA/GPIO6_REG",+ "type": "bidirectional",+ "description": "Slave-mode I2S data input shared with register-only GPIO6."+ },+ {+ "number": "36",+ "name": "I2S_DB/GPIO5_REG",+ "type": "bidirectional",+ "description": "Slave-mode I2S data input shared with register-only GPIO5."+ },+ {+ "number": "37",+ "name": "I2S_DC/GPIO2",+ "type": "bidirectional",+ "description": "Slave-mode I2S data input shared with BCC GPIO2."+ },+ {+ "number": "38",+ "name": "I2S_DD/GPIO3",+ "type": "bidirectional",+ "description": "Slave-mode I2S data input shared with BCC GPIO3."+ },+ {+ "number": "39",+ "name": "X1",+ "type": "input",+ "description": "Optional CEC reference clock input, 25 MHz 0.1% 45-55% duty cycle at 1.8-V CMOS level; leave open if unused."+ },+ {+ "number": "40",+ "name": "REM_INTB",+ "type": "output",+ "description": "Open-drain remote interrupt mirroring INTB_IN from the deserializer; external 1.8-V pullup required (recommended 4.7 kΩ)."+ },+ {+ "number": "41",+ "name": "VDDL11",+ "type": "power_in",+ "description": "1.1-V (±5%) digital supply."+ },+ {+ "number": "42",+ "name": "HPD",+ "type": "output",+ "description": "Open-drain Hot Plug Detect output; pull up to RX_5V with a 1-kΩ resistor."+ },+ {+ "number": "43",+ "name": "RX_5V",+ "type": "input",+ "description": "HDMI 5-V detect input."+ },+ {+ "number": "44",+ "name": "DDC_SDA",+ "type": "bidirectional",+ "description": "Open-drain DDC slave serial data; pull up to RX_5V with 47 kΩ."+ },+ {+ "number": "45",+ "name": "DDC_SCL",+ "type": "input",+ "description": "Open-drain DDC slave serial clock; pull up to RX_5V with 47 kΩ."+ },+ {+ "number": "46",+ "name": "VDDIO",+ "type": "power_in",+ "description": "1.8-V (±5%) IO supply."+ },+ {+ "number": "47",+ "name": "NC0",+ "type": "unconnected",+ "description": "No connect; leave floating, do not connect to VDD or GND."+ },+ {+ "number": "48",+ "name": "NC1",+ "type": "unconnected",+ "description": "No connect; leave floating, do not connect to VDD or GND."+ },+ {+ "number": "49",+ "name": "IN_CLK-",+ "type": "input",+ "description": "TMDS clock differential input (negative)."+ },+ {+ "number": "50",+ "name": "IN_CLK+",+ "type": "input",+ "description": "TMDS clock differential input (positive)."+ },+ {+ "number": "51",+ "name": "VDD18",+ "type": "power_in",+ "description": "1.8-V (±5%) analog supply."+ },+ {+ "number": "52",+ "name": "VDDHA11",+ "type": "power_in",+ "description": "1.1-V (±5%) TMDS supply."+ },+ {+ "number": "53",+ "name": "NC2",+ "type": "unconnected",+ "description": "No connect; leave floating, do not connect to VDD or GND."+ },+ {+ "number": "54",+ "name": "VDDHA11",+ "type": "power_in",+ "description": "1.1-V (±5%) TMDS supply."+ },+ {+ "number": "55",+ "name": "IN_D0-",+ "type": "input",+ "description": "TMDS data channel 0 differential input (negative)."+ },+ {+ "number": "56",+ "name": "IN_D0+",+ "type": "input",+ "description": "TMDS data channel 0 differential input (positive)."+ },+ {+ "number": "57",+ "name": "VTERM",+ "type": "power_in",+ "description": "3.3-V (±5%) supply for DC-coupled internal termination or 1.8-V (±5%) for AC-coupled termination."+ },+ {+ "number": "58",+ "name": "VDDHA11",+ "type": "power_in",+ "description": "1.1-V (±5%) TMDS supply."+ },+ {+ "number": "59",+ "name": "IN_D1-",+ "type": "input",+ "description": "TMDS data channel 1 differential input (negative)."+ },+ {+ "number": "60",+ "name": "IN_D1+",+ "type": "input",+ "description": "TMDS data channel 1 differential input (positive)."+ },+ {+ "number": "61",+ "name": "VDDHA11",+ "type": "power_in",+ "description": "1.1-V (±5%) TMDS supply."+ },+ {+ "number": "62",+ "name": "IN_D2-",+ "type": "input",+ "description": "TMDS data channel 2 differential input (negative)."+ },+ {+ "number": "63",+ "name": "IN_D2+",+ "type": "input",+ "description": "TMDS data channel 2 differential input (positive)."+ },+ {+ "number": "64",+ "name": "VDD18",+ "type": "power_in",+ "description": "1.8-V (±5%) analog supply."+ },+ {+ "number": "65",+ "name": "GND",+ "type": "power_in",+ "description": "Exposed thermal pad (DAP) ground; connect to ground plane with at least 9 vias."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 65 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 23,+ "cost_usd": 0.4258,+ "at": "2026-10-07T03:12:16"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ds90ub949-q1",+ "pages": 88,+ "sha256": "6c33021a3706f57f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 65,+ "described": 65,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "ds90ub949trgcrq1.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 0.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ds90ub949trgcrq1-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 0.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "801194f950eaa7cc9feedd878449cfc6171accfdc6dea983cd1ac2cf5a6a4e6f",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}