Description These debug tool are designed for laboratory, product testing, low-cost MCU communications and other applications. CH340 Version USB 2.0 full speed compatible, programmable up to 2m bps. Case color in black. PL2303TA Version USB 2.0 full speed compatible, programmable up to 6m bps. Case color in blue. PL2303TA is the new chip version to against fake chip on WIN10. There are four lead: Red 5V Black GND White RXD Green TXD More documentation please see here. Common USB-TTL Applications: For traditional RS232 devices to a single-chip solution USB interface upgrade USB to RS232 converter / cable / dongle Data transmission line Health / Medical USB interface Personal information and entertainment / media player docking USB Interface Mobile / Pocket PC USB interface data transmission line Serial – over-IP wireless solutions USB barcode / Smart Card Reader GPS / Navigation USB Interface Point of Sale (POS) terminal / printer Computer docking station / port replicator Industrial / Instrumentation / Automation Control USB Interface USB modem / wireless / Zigbee USB interface USB interface to set-top boxes (STB) / home gateway BatteryCharger Applications MCU-based device’s USB interface
