component
CP2104
Public Made by Adomby adom
Silicon Labs USB-to-UART bridge, QFN-24. USB 2.0 full-speed, up to 2 Mbps, integrated EEPROM + clock + regulator. Datasheet-verified.
← Commit history
cp2104: datasheet-first component page (KiCad sym+mod+step+lbr, hero, viewers)
1 file changed
+218−8
page.json+218−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "cp2104",+ "title": "CP2104",+ "brief": "Silicon Labs USB-to-UART bridge, QFN-24. USB 2.0 full-speed, up to 2 Mbps, integrated EEPROM + clock + regulator. Datasheet-verified.", "version": "0.1.0",- "type": "component",- "description": "Silicon Labs USB-to-UART bridge, QFN-24. USB 2.0 full-speed, up to 2 Mbps, integrated EEPROM + clock + regulator. Datasheet-verified.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "interface",@@ -12,6 +15,218 @@ "qfn-24", "silicon-labs" ],+ "component": {+ "mpn": "CP2104",+ "manufacturer": "Silicon Labs",+ "package": "QFN-24",+ "pin_count": 24,+ "category": "Interface",+ "subcategory": "USB-to-UART bridge",+ "datasheet": "https://www.silabs.com/documents/public/data-sheets/cp2104.pdf",+ "parts": {+ "symbol": "cp2104.kicad_sym",+ "footprint": "cp2104.kicad_mod",+ "model_3d": "cp2104.glb",+ "model_3d_step": "cp2104.step",+ "lbr": "cp2104.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "RI",+ "type": "input",+ "description": "Ring Indicator control input (active low). Modem-status handshake line."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference. Must be tied to ground."+ },+ {+ "number": "3",+ "name": "D+",+ "type": "bidirectional",+ "description": "USB D+ full-speed (12 Mbps) differential data line. Connect to the USB connector D+ pin."+ },+ {+ "number": "4",+ "name": "D-",+ "type": "bidirectional",+ "description": "USB D- full-speed (12 Mbps) differential data line. Connect to the USB connector D- pin."+ },+ {+ "number": "5",+ "name": "VIO",+ "type": "power_in",+ "description": "I/O supply voltage input. Sets digital I/O rail from 1.8 V up to VDD. Decouple to GND."+ },+ {+ "number": "6",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital core supply (3.0 to 3.6 V). Also the output of the on-chip 3.45 V voltage regulator when REGIN is driven from VBUS (self- or USB-powered). Decouple to GND."+ },+ {+ "number": "7",+ "name": "REGIN",+ "type": "power_in",+ "description": "5 V regulator input (3.0 to 5.25 V). Input to the on-chip 3.45 V LDO whose output appears on VDD. Typically tied to VBUS."+ },+ {+ "number": "8",+ "name": "VBUS",+ "type": "input",+ "description": "VBUS sense input. Connect to the VBUS signal of the USB connector so the device can detect bus attach (2.5 V threshold)."+ },+ {+ "number": "9",+ "name": "RST",+ "type": "bidirectional",+ "description": "Device reset (active low). Open-drain output of internal POR / VDD monitor; may also be driven low externally for at least 15 us to initiate a system reset."+ },+ {+ "number": "10",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect. Leave floating or tie to VIO."+ },+ {+ "number": "11",+ "name": "GPIO.3",+ "type": "bidirectional",+ "description": "User-configurable digital I/O. Supply is VIO (1.8 V to VDD). May be left unconnected when unused."+ },+ {+ "number": "12",+ "name": "GPIO.2",+ "type": "bidirectional",+ "description": "User-configurable digital I/O; optional RS-485 transceiver bus-control output (Section 7.2). Supply is VIO."+ },+ {+ "number": "13",+ "name": "GPIO.1",+ "type": "bidirectional",+ "description": "User-configurable digital I/O; optional receive-toggle output (Section 7.1). Supply is VIO."+ },+ {+ "number": "14",+ "name": "GPIO.0",+ "type": "bidirectional",+ "description": "User-configurable digital I/O; optional transmit-toggle output (Section 7.1). Supply is VIO."+ },+ {+ "number": "15",+ "name": "SUSPEND",+ "type": "output",+ "description": "Active-low USB suspend indicator. Driven low while the CP2104 is in the USB Suspend state."+ },+ {+ "number": "16",+ "name": "VPP",+ "type": "passive",+ "description": "OTP ROM programming supply pin. Connect a 4.7 uF capacitor between this pin and ground to support ROM programming via the USB interface. During programming VPP is 5.75 V to VIO+3.6 V."+ },+ {+ "number": "17",+ "name": "SUSPEND",+ "type": "output",+ "description": "Active-high USB suspend indicator. Driven high while the CP2104 is in the USB Suspend state."+ },+ {+ "number": "18",+ "name": "CTS",+ "type": "input",+ "description": "Clear-To-Send hardware flow-control input (active low). Modem handshake line."+ },+ {+ "number": "19",+ "name": "RTS",+ "type": "output",+ "description": "Request-To-Send hardware flow-control output (active low). Modem handshake line."+ },+ {+ "number": "20",+ "name": "RXD",+ "type": "input",+ "description": "Asynchronous UART receive data input. Data rates 300 bps to 2 Mbps; 5/6/7/8 data bits; 1/1.5/2 stop bits; odd/even/mark/space/no parity."+ },+ {+ "number": "21",+ "name": "TXD",+ "type": "output",+ "description": "Asynchronous UART transmit data output. Data rates 300 bps to 2 Mbps; 5/6/7/8 data bits; 1/1.5/2 stop bits; odd/even/mark/space/no parity."+ },+ {+ "number": "22",+ "name": "DSR",+ "type": "input",+ "description": "Data-Set-Ready modem control input (active low)."+ },+ {+ "number": "23",+ "name": "DTR",+ "type": "output",+ "description": "Data-Terminal-Ready modem control output (active low)."+ },+ {+ "number": "24",+ "name": "DCD",+ "type": "input",+ "description": "Data-Carrier-Detect modem control input (active low)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.silabs.com/documents/public/data-sheets/cp2104.pdf",+ "pages": 22,+ "sha256": "9569257991f26467",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 24,+ "described": 24,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "USB-to-UART bridge",+ "USB": "USB 2.0 full-speed",+ "UART data rate": "300 bps to 2 Mbps",+ "GPIO": "4 configurable",+ "Integrated": "Oscillator, regulator, EEPROM",+ "Supply": "VBUS or self-powered (3.0-3.6 V core)",+ "Package": "QFN-24 (4x4 mm)"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "cp2104",+ "usb to uart bridge",+ "usb serial chip",+ "virtual com port ic"+ ],+ "discovery_pitch": "Silicon Labs CP2104 USB-to-UART bridge (QFN-24) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -29,10 +244,5 @@ "docs/cp2104-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }