The USB to RS232 module based TTL provides the best and convenient way to connect your RS232 TTL Devices or demo board to your PC or Microcontroller via the USB port. This compact USB-UART module, leads to the interface, including 5V, 3.3V, TXD, RXD, GND, TXD, RXD which can be directly Connect the MCU serial port.
This compact USB-UART module has 5V, 3.3V, TXD, RXD, GND, TXD, RXD which can be directly Connect the MCU via a serial port which is convenient for the initial product debugging. The 3.3V system can also take power from the module (less than 100mA). LED display module has been powered and work properly.
Single Chip USB to UART Data Converter
Integrated clock without external oscillator
Integrated USB transceiver does not require external resistors
On-Chip Power-On Reset Circuit ? On-Chip Voltage Regulator 3.3V Output USB Function Controller
USB specification 2.0 full speed (12 Mbps)
USB abort status supported by the SUSPEND and RI pins