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CP2102-GMR

USB Interface IC Classic USB to UART Bridge

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CP2102-GMR General Description

The CP2102-GMR is a specific part number associated with the CP2102 family of USB-to-UART bridge controllers manufactured by Silicon Labs (formerly known as Silicon Laboratories). These bridge controllers are designed to provide a seamless and efficient way to interface USB (Universal Serial Bus) with UART (Universal Asynchronous Receiver-Transmitter) serial communication.

CP2102-GMR System Diagram

CP2102-GMR System Diagram

cp2102-gmr

Key Features

Single-Chip USB to UART Data Transfer
- Integrated USB transceiver; no external resistors
required
- Integrated clock; no external crystal required
- Internal 1024-byte programmable ROM for vendor ID,
product ID, serial number, power descriptor, release
number, and product description strings
- EEPROM (CP2102)
- EPROM (One-time programmable) (CP2109)
- On-chip power-on reset circuit
- On-chip voltage regulator
- 3.3 V output (CP2102)
- 3.45 V output (CP2109)
- 100% pin and software compatible with CP2101
USB Function Controller
- USB Specification 2.0 compliant; full-speed (12 Mbps)
- USB suspend states supported via SUSPEND pins
Asynchronous Serial Data BUS (UART)
- All handshaking and modem interface signals
- Data formats supported:
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
- Baud rates: 300 bps to 1 Mbps
- 576 Byte receive buffer; 640 byte transmit buffer
- Hardware or X-On/X-Off handshaking supported
- Event character support 

Virtual COM Port Device Drivers
- Works with existing COM port PC Applications
- Royalty-free distribution license
- Windows 8/7/Vista/Server 2003/XP/2000
- Mac OS-X/OS-9
- Linux
USBXpress™ Direct Driver Support
- Royalty-Free Distribution License
- Windows 7/Vista/XP/Server 2003/2000
- Windows CE
Example Applications
- Upgrade of RS-232 legacy devices to USB
- Cellular phone USB interface cable
- USB interface cable
- USB to RS-232 serial adapter
Supply Voltage
- Self-powered: 3.0 to 3.6 V
- USB bus powered: 4.0 to 5.25 V
Package
- RoHS-compliant 28-pin QFN (5x5 mm)
Ordering Part Numbers
- CP2102-GM
- CP2109-A01-GM
Temperature Range: –40 to +85 °C

Application

  • Embedded Systems: They are commonly used in embedded systems for programming and debugging microcontrollers and microprocessors with UART interfaces.
  • Serial Communication: Connecting UART-based devices, such as microcontrollers, sensors, and industrial equipment, to a USB-enabled computer or host device.
  • Serial Console Access: Providing a serial console interface for configuration, monitoring, and troubleshooting of networking equipment, such as routers and switches.
  • Industrial Automation: In industrial automation systems for data acquisition, control, and monitoring using UART-enabled sensors and devices.
  • IoT (Internet of Things): Enabling UART-based devices to communicate with IoT gateways and cloud services via USB connectivity.
  • Development and Prototyping: Facilitating the development and prototyping of electronic projects by connecting UART devices to a USB interface on a PC.

Specifications

Product Name CP2102-GMR Product Type USB to UART Bridge
Manufacturer Silicon Labs Interface USB 2.0
UART Interface CMOS Operating Voltage Range 3V to 3.6V
Maximum Baud Rate 2 Mbps Operating Temperature -40°C to 85°C
Package / Case 28-QFN (5x5) Features Integrated USB transceiver, On-chip voltage regulator, On-chip oscillator, 5 GPIO pins, UART signal inversion option, 128-byte receive buffer, 256-byte transmit buffer
Product Status Not For New Designs DigiKey Programmable Not Verified
Protocol USB Function Bridge, USB to UART
Standards USB 2.0 Voltage - Supply 3V ~ 3.6V
Current - Supply 20mA Supplier Device Package 28-QFN (5x5)
Base Product Number CP2102

CP2102-GMR Equivalent Parts

You may consider these replacement and alternative parts:

Part Number

In-Stock

Package

Description

Part Number:  CP2104-GMR

In-Stock:  8195

Package:  

Description:   CP2104-GMR: Similar USB-to-UART bridge controller IC from Silicon Labs with additional features and capabilities.

Service Policies and Others

After-Sales & Settlement Related

payment Payment

We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

If you have specific preferences or requirements for payment channels, please contact our sales team. 

customers are required to pay all possible fees, including sales tax,customs fees, etc.

shipping Shipping And Packing
Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

warranty Warranty & Returns

Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.

Ratings and Reviews

More
I
I**c 03/01/2024

I strongly do recommend these sensors. Of the 3 purchased sensors, only 1 shows relatively stable. 2 other temperature jumps to 3-4 degrees. On a normal heat shrinkage flew and exposed that the wire in the casing is not sealed hermetically. And the diameter of the sleeve would like less.

10
S
S**a 02/29/2024

I had a fantastic experience with Avaq's customer service when purchasing the CP2102-GMR components. They were knowledgeable, professional, and responsive to all my inquiries.

16
M
M**n 11/21/2022

Before the tambov region went 16 days pretty quickly the body like a whole seller respect recommend

9
E
E**e 10/03/2022

Avaq's delivery speed exceeded my expectations. I received my CP2102-GMR components faster than anticipated, and they were well-packaged and in perfect condition.

19

Reviews

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Availability: 7560 PCS

Qty. Unit Price(USD) Ext. Price
1+ $2.081 $2.08
10+ $1.847 $18.47
30+ $1.681 $50.43
100+ $1.530 $153.00
500+ $1.460 $730.00
1500+ $1.431 $2,146.50

The prices below are for reference only.