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CP2102
CP2102
USB UART bridge
The CP2102 is a USB-to-UART bridge controller that integrates a USB transceiver, oscillator, and UART interface in a compact QFN package, enabling easy RS-232 to USB conversion with minimal components.
In stock
Specifications
8- Operating Voltage
- 3.0 to 3.6 V
- Supply Current
- 200 µA (USB Pull-up)
- Interface
- UART, USB
- Resolution
- Not specified
- Range
- Baud rates: 300 bps to 1 Mbps
- Accuracy
- Not specified
- Temperature Range
- -40 to +85 °C
- Package
- QFN-28 (5x5 mm)
Pinout
13| Pin | Name | Functions | Notes |
|---|---|---|---|
| 6 | VDD | POWER | Power In: 3.0–3.6 V Power Supply Voltage Input; 3.3 V Voltage Regulator Output |
| 3 | GND | GND | Ground |
| 9 | RST | GPIO | Device Reset. Open-drain output of internal POR or VDD monitor. |
| 7 | REGIN | POWER | 5 V Regulator Input |
| 8 | VBUS | GPIO | VBUS Sense Input. Connect to USB network VBUS signal. |
| 4 | D+ | UART | USB D+ |
| 5 | D- | UART | USB D- |
| 26 | TXD | UART | Asynchronous data output (UART Transmit) |
| 25 | RXD | UART | Asynchronous data input (UART Receive) |
| 23 | RI | GPIO | Ring Indicator control input |
| 13 | DCD | GPIO | Data Carrier Detect control input |
| 27 | SUSPEND | GPIO | USB Suspend state indicator. Drives high when in suspend. |
| 11 | SUSPEND | GPIO | USB Suspend state indicator. Drives low when in suspend. |
Interactive pinout
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CP2102
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