CH9102 Chip USB to TTL (Serial) Converter

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CH9102 is a USB bus converter chip, which converts USB to setial UART interface. CH9102 provides common MODEM signal, to expand UART interface of computer or upgrade common serial devices or MCU to USB bus directly Features Type: USB to TTL Model: CP2102 Baud Rate: 50bps~4Mbps System Support: windows vista / XP / server 2003/200, Mac OS-X/OS-9, Linux Input Voltage: 3.3V-5V Pin Number: 5 Pin Temperature: -40℃to +85℃ Color: Red Size:41mm x 15mm Pin Description 3.3V – 3.3V TXD – Output pin (the sender pin) RXD: Receive pin (the receiving pin) GND – GND 5V – 5V Documents CH9102X Datasheet