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CMT2300A-EQR
Public Made by Adomby adom
HopeRF Micro electronics RF Transceiver ICs, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# CMT2300A-EQR++**HopeRF Micro electronics** · RF Transceiver ICs · QFN-16-EP(3x3)++CMT2300A-EQR from HopeRF Micro electronics, in a QFN-16-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | RFIP | input | RF signal input positive terminal for low-noise amplifier receiver supporting frequency range 127 to 1020 MHz. |+| 2 | RFIN | input | RF signal input negative terminal for low-noise amplifier receiver supporting frequency range 127 to 1020 MHz. |+| 3 | PA | output | Power amplifier RF output providing transmit capability with adjustable output power from -20 dBm to +20 dBm in 1 dB steps. |+| 4 | AVDD | power_in | Analog power supply voltage input, operating voltage range 1.8 V to 3.6 V. |+| 5 | AGND | power_in | Analog ground reference connection. |+| 6 | DGND | power_in | Digital ground reference connection. |+| 7 | DVDD | power_in | Digital power supply voltage input, operating voltage range 1.8 V to 3.6 V. |+| 8 | GPIO3 | bidirectional | Configurable general-purpose I/O pin supporting clock output (CLKO), demodulated output (DOUT), modulation input (DIN), or data rate clock (DCLK) in TX/RX modes. |+| 9 | SCLK | input | SPI serial clock input with maximum frequency 5 MHz; data is transferred on clock falling edge. |+| 10 | SDIO | bidirectional | SPI bidirectional serial data line for register and FIFO access; input high threshold ≥0.8 VDD, input low threshold ≤0.2 VDD. |+| 11 | CSB | input | SPI chip select input for register access, active low; CSB and FCSB cannot be simultaneously low. |+| 12 | FCSB | input | SPI chip select input for FIFO access, active low; FCSB and CSB cannot be simultaneously low. |+| 13 | XI | input | Crystal oscillator input at 26 MHz or external reference clock input with peak-to-peak voltage 0.3 to 0.7 V, requiring 15 pF load capacitance. |+| 14 | XO | output | Crystal oscillator output at 26 MHz; load capacitance to ground must equal load capacitance at XI for 15 pF crystal load. |+| 15 | GPIO2 | bidirectional | Configurable general-purpose I/O pin supporting interrupt output (INT1, INT2), demodulated output (DOUT), modulation input (DIN), data rate clock (DCLK), or RF switch control (RF_SWT). |+| 16 | GPIO1 | bidirectional | Configurable general-purpose I/O pin supporting demodulated output (DOUT), modulation input (DIN), interrupt output (INT1, INT2), data rate clock (DCLK), or RF switch control (RF_SWT). |+| 17 | GND | power_in | Analog ground connection on exposed pad (EP); must be directly connected to ground plane. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HopeRF Micro electronics |+| Package | QFN-16-EP(3x3) |+| Category | RF And Wireless |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `CMT2300A-EQR`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: QFN-16-EP(3x3) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HopeRF Micro electronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881961431535616) (44 pp, sha256 `f9f85ac13eaec1ee`, retrieved 2026-09-17, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cmt2300a-eqr-datasheet.pdf)
page.jsonadded+192@@ -0,0 +1,192 @@+{+ "slug": "cmt2300a-eqr",+ "version": "0.1.0",+ "type": "component",+ "description": "HopeRF Micro electronics RF Transceiver ICs, QFN-16-EP(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "rf and wireless",+ "cmt2300a-eqr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "cmt2300a-eqr.kicad_sym",+ "cmt2300a-eqr.kicad_mod",+ "cmt2300a-eqr.glb",+ "cmt2300a-eqr.step",+ "cmt2300a-eqr.lbr",+ "docs/hero.png",+ "docs/cmt2300a-eqr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "CMT2300A-EQR",+ "manufacturer": "HopeRF Micro electronics",+ "package": "QFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "RF And Wireless",+ "subcategory": "RF Transceiver ICs",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881961431535616",+ "parts": {+ "symbol": "cmt2300a-eqr.kicad_sym",+ "footprint": "cmt2300a-eqr.kicad_mod",+ "model_3d": "cmt2300a-eqr.glb",+ "model_3d_step": "cmt2300a-eqr.step",+ "lbr": "cmt2300a-eqr.lbr"+ },+ "distributor_links": {+ "lcsc": "C192930"+ },+ "pins": [+ {+ "number": "1",+ "name": "RFIP",+ "type": "input",+ "description": "RF signal input positive terminal for low-noise amplifier receiver supporting frequency range 127 to 1020 MHz."+ },+ {+ "number": "2",+ "name": "RFIN",+ "type": "input",+ "description": "RF signal input negative terminal for low-noise amplifier receiver supporting frequency range 127 to 1020 MHz."+ },+ {+ "number": "3",+ "name": "PA",+ "type": "output",+ "description": "Power amplifier RF output providing transmit capability with adjustable output power from -20 dBm to +20 dBm in 1 dB steps."+ },+ {+ "number": "4",+ "name": "AVDD",+ "type": "power_in",+ "description": "Analog power supply voltage input, operating voltage range 1.8 V to 3.6 V."+ },+ {+ "number": "5",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog ground reference connection."+ },+ {+ "number": "6",+ "name": "DGND",+ "type": "power_in",+ "description": "Digital ground reference connection."+ },+ {+ "number": "7",+ "name": "DVDD",+ "type": "power_in",+ "description": "Digital power supply voltage input, operating voltage range 1.8 V to 3.6 V."+ },+ {+ "number": "8",+ "name": "GPIO3",+ "type": "bidirectional",+ "description": "Configurable general-purpose I/O pin supporting clock output (CLKO), demodulated output (DOUT), modulation input (DIN), or data rate clock (DCLK) in TX/RX modes."+ },+ {+ "number": "9",+ "name": "SCLK",+ "type": "input",+ "description": "SPI serial clock input with maximum frequency 5 MHz; data is transferred on clock falling edge."+ },+ {+ "number": "10",+ "name": "SDIO",+ "type": "bidirectional",+ "description": "SPI bidirectional serial data line for register and FIFO access; input high threshold ≥0.8 VDD, input low threshold ≤0.2 VDD."+ },+ {+ "number": "11",+ "name": "CSB",+ "type": "input",+ "description": "SPI chip select input for register access, active low; CSB and FCSB cannot be simultaneously low."+ },+ {+ "number": "12",+ "name": "FCSB",+ "type": "input",+ "description": "SPI chip select input for FIFO access, active low; FCSB and CSB cannot be simultaneously low."+ },+ {+ "number": "13",+ "name": "XI",+ "type": "input",+ "description": "Crystal oscillator input at 26 MHz or external reference clock input with peak-to-peak voltage 0.3 to 0.7 V, requiring 15 pF load capacitance."+ },+ {+ "number": "14",+ "name": "XO",+ "type": "output",+ "description": "Crystal oscillator output at 26 MHz; load capacitance to ground must equal load capacitance at XI for 15 pF crystal load."+ },+ {+ "number": "15",+ "name": "GPIO2",+ "type": "bidirectional",+ "description": "Configurable general-purpose I/O pin supporting interrupt output (INT1, INT2), demodulated output (DOUT), modulation input (DIN), data rate clock (DCLK), or RF switch control (RF_SWT)."+ },+ {+ "number": "16",+ "name": "GPIO1",+ "type": "bidirectional",+ "description": "Configurable general-purpose I/O pin supporting demodulated output (DOUT), modulation input (DIN), interrupt output (INT1, INT2), data rate clock (DCLK), or RF switch control (RF_SWT)."+ },+ {+ "number": "17",+ "name": "GND",+ "type": "power_in",+ "description": "Analog ground connection on exposed pad (EP); must be directly connected to ground plane."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 44,+ "cost_usd": 0.393,+ "at": "2026-09-17T18:13:56"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881961431535616",+ "pages": 44,+ "sha256": "f9f85ac13eaec1ee",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}