From BananaPro/Pi
Jump to: navigation, search

Other languages:
English • ‎中文(简体)‎


CP2102 is high level of integration,including built-in USB function controller,at full speed USB transceiver,crystal oscillator (UART) block, EEPROM and asynchronous serial data bus,supporting fully functional modem signal.It supports the four Voltage level free transform each other(USB, TTL, RS232 and RS485 free transfers).It includes achieving physical switch,convenient and reliable,no interference function.

General specifications

Volume 3.1 cm*1.8 cm
Voltage 3.3V or 5V
Speed Baud rate up to 2 MBPS
The power supply output 5V-500mA or 3.3V-100mA
Support system Full support for Win8, Win7, WinXp, Win2K, WinCE, Linux, Mac, systems, 32bit and 64bit system.
Support current protection Yes
Support USB Suspend state Yes
CPIO pin extension 5V pin,3.3V pin,TXD,RXD,GND,VCC

Install and test

These operations run in the Lemuntu system
Step 1: Insert the USB to Serial adapter into LeMaker Guitar.
Step 2: Check up wether recognize the usb serial port or not through the following command.

ls /dev/ttyUSB*

When find ttyUSB0 nodes,we can explain it has correctly identified the usb serial port module.
Step 3: Run the command below to set up USB to Serial.

sudo apt-get install minicom
sudo minicom -s

LeMaker Guitar & Base Board Rev.B
Step 4:Select a serial port settings, refer to the below.
LeMaker Guitar & Base Board Rev.B
You can use USB to serial module after setting up the usb serial port module.