Product Introduction

CJMCU-CP2102 has high integration, with built-in USB 2.0 full speed function controller, USB transceiver, crystal oscillator, EEPROM, and asynchronous serial data bus (UART), supporting full function signals of modems without the need for any external USB devices. The working principle of CJMCU-CP2102 is similar to other USB-UART adapter circuits, which virtualizes the USB port of the PC into a COM port through a driver program to achieve expansion.

CJMCU Attitude Module Communication USB to TTL Module 5V Power Output TTL Level CP2102 Core CJMCU-CP2102 is a highly integrated USB-UART bridge that provides a convenient solution for RS232 to USB conversion using small components and PCB space. Simply put, users can use CJMCU-CP2102 to convert between USB and RS232 interfaces.

Product Parameter

1. The original CP2102 chip generates a COM port after installing the driver.

2. Connect the standard MICRO MINI-USB cable input to the computer USB interface, with two power outputs of 3.3V and 5V voltage

3. Equipped with a self recovering fuse. In the event of an unexpected short circuit, it can effectively protect your downloader and computer USB port

4. Onboard status indicator light, transmission and reception indicator light. After correctly installing the driver, the status indicator light will remain on, and the transmission and reception indicator light will flash during communication, with a running LED indicator light.

5. Supports baud rates ranging from 300bps to 1Mbps

6. Communication format support: 1) 5, 6, 7, 8-bit data bits; 2) Support 1, 1.5, and 2 stop positions; 3) Odd, even, mark, space, none verification

7. Supporting operating systems: windows 8.1/7/vista/xp/98,Mac OS-X/OS-9,Linux

8. The USB socket interface is MICRO MINI-USB socket

9. SMT components are welded by legitimate companies, with stable quality and beautiful appearance

10. With DTR trigger signal output, it can directly download program communication to Arduino motherboards such as Arduino Pro Mini ATMEGA328P.

11. Module size: 16mm * 20mm super small.

Product Features

1. It contains a USB transceiver and does not require external circuitry

2. It contains a clock circuit and does not require an external circuit breaker

3. Equipped with a power on reset circuit

4. In chip voltage regulation can output 3.3V voltage

5. Meet the requirements of USB 2.0 specification

6. SUSPEND pin supports USB status suspension

7. Asynchronous serial data bus compatible with all handshake and modulation regulator interface signals

8. The supported data formats are data bit 8, stop bits 1 and 2, and checksum

9. Connotation: 512 byte receive buffer and 512 byte send buffer

10. Support hardware or X-ON/X-OFF handshake

Product Introduction

Driver installation introduction:

instructions

win7/win8

1. First, open the installation package and proceed with the next step. Remember the installation directory

2. Start the service as follows

3. Find the driver in the device manager, select the update driver, browse the computer to find the driver, select the directory that was just installed, confirm and wait

win8.1

Right click to update the driver, automatically search for the driver, and it will prompt that the driver data is invalid. In fact, this problem is often encountered under Windows 8. The driver is not a problem, but at first it cannot be installed. Later, it was discovered that it may be due to hardware incompatibility.

If you are using Windows 8 or Windows 8.1, Ghost or other non genuine systems, and have used various optimization tools to streamline and optimize the system, you may encounter the error of "invalid data" during the installation of drivers

The solution to 'invalid data' is as follows:

1. Press Winkey+R on the keyboard, enter "services. msc" in the pop-up "Run" dialogue, or find "services" in the "Computer Management" window;

2. Find the two service items "Device Install Service" and "Device Setup Manager" in the service list, confirm whether these two services are enabled. If they are not enabled, you can click "Start" on the left side of this service.

Driver download address:

http://cjmcu01.ww.ywkjhost.com/forum.php?mod=viewthread&tid=40693&extra=

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