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Specifications
SKU: 9517258
| Parameter | Description | CP2102 | CP2102-GMR |
|---|---|---|---|
| Package | Physical package type | QFN-28 (5x5mm) | QFN-28 (5x5mm) |
| Operating Voltage | Supply voltage range | 3.0V to 5.5V | 3.0V to 5.5V |
| Data Rate | Maximum data rate | 1.5 Mbps | 1.5 Mbps |
| Interface | USB interface | USB 2.0 Full Speed | USB 2.0 Full Speed |
| UART Interface | UART interface support | 3-wire (TX, RX, GND) or 6-wire (TX, RX, RTS, CTS, DTR, DSR) | 3-wire (TX, RX, GND) or 6-wire (TX, RX, RTS, CTS, DTR, DSR) |
| Flow Control | Hardware flow control support | Yes (RTS/CTS) | Yes (RTS/CTS) |
| Operating Temperature | Temperature range for operation | -40°C to +85°C | -40°C to +85°C |
| ESD Protection | Electrostatic discharge protection | ±8kV (air discharge), ±4kV (contact discharge) | ±8kV (air discharge), ±4kV (contact discharge) |
| USB Power | Maximum current draw from USB | 100mA | 100mA |
| Programmable Parameters | Configurable parameters | Baud rate, data bits, stop bits, parity, flow control | Baud rate, data bits, stop bits, parity, flow control |
| Integrated Circuitry | On-chip circuitry | Integrated USB transceiver, oscillator, and EEPROM | Integrated USB transceiver, oscillator, and EEPROM |
| Certifications | Compliance standards | USB 2.0, RoHS, CE, FCC | USB 2.0, RoHS, CE, FCC |
Instructions for Using CP2102 and CP2102-GMR
Power Supply:
- Connect the VCC pin to your power supply (3.0V to 5.5V).
- Connect the GND pin to the ground of your power supply.
USB Connection:
- Connect the D+ and D- pins to the corresponding USB data lines.
- Ensure that the USB cable is properly connected to a host device.
UART Connection:
- Connect the TX pin to the RX pin of your UART device.
- Connect the RX pin to the TX pin of your UART device.
- Optionally, connect the RTS, CTS, DTR, and DSR pins for hardware flow control.
Configuration:
- Use the Silabs CP210x Configuration Utility to set up the baud rate, data bits, stop bits, parity, and flow control.
- The configuration can be stored in the on-chip EEPROM.
Firmware Update:
- If necessary, use the Silabs CP210x Programmer to update the firmware.
Testing:
- After setup, test the communication by sending and receiving data through the UART interface.
- Use a terminal program to verify the data transmission.
ESD Precautions:
- Handle the CP2102 and CP2102-GMR with care to avoid ESD damage.
- Use proper ESD protection measures when handling and soldering the components.
Mounting:
- Ensure proper mounting and soldering according to the QFN-28 package guidelines.
- Use a thermal pad if required for better heat dissipation.
Troubleshooting:
- Check all connections for proper seating and soldering.
- Verify the power supply and USB connection.
- Use the configuration utility to check and reset settings if needed.
Inquiry - CP2102 CP2102-GMR
