Full-speed USB 2.0 to UART serial adapter chip with MODEM handshake signals, built-in clock and anti-current-backflow diodes on TXD, RTS# and RXD pins for independently powered MCU connections.

USB to Serial Bridge ICESSOP-10-150mil-1mm

CH340R

WCH

USB to serial chip

CH340T

WCH

USB to serial chipSSOP-20-209mil

CH340T/E/B

WCH

USB to serial chip

CH340T/R/G

WCH

USB to serial chip

CH340T/R/G/C

WCH

USB to serial chip

CH343

WCH

Full-speed USB to asynchronous serial port bridge chip with MODEM handshake signals, hardware flow control, RS485 TNOW support, and built-in clock, supporting up to 6Mbps baud rate.

USB to Serial Port Adapter

CH343C

WCH

Full-speed USB to high-speed asynchronous serial port adapter chip with MODEM handshake signals, up to 6Mbps baud rate, built-in clock and no external crystal required

USB to Serial Port AdapterSOP16

CH343G

WCH

Full-speed USB to high-speed asynchronous serial port (UART) adapter chip with MODEM handshake signals, hardware flow control, built-in clock and 3.3V regulator, supporting up to 6Mbps baud rate.

USB to Serial Port AdapterSOP-16

CH343K

WCH

Full-speed USB to high-speed asynchronous serial port (UART) adapter chip with MODEM handshake signals, up to 6Mbps baud rate and built-in clock, in ESSOP10 package for CH343K.

USB to Serial Port AdapterESSOP-10-150mil-1mm

CH343K/C

WCH

Full-speed USB to high-speed asynchronous serial port (UART) bridge chip with MODEM handshake signals, hardware flow control, half-duplex RS485 TNOW support, and 50bps to 6Mbps baud rates.

USB to Serial Port Adapter

CH343P

WCH

USB bus adapter chip that implements USB to high-speed asynchronous serial port, providing common MODEM handshake signals.

USB to Serial Port AdapterTQFN-16-EP(3x3)

CH347

WCH

High-speed USB bus bridge chip providing dual UART, I2C, SPI, and JTAG interfaces over USB.

Serial SLC NAND Flash Memory

CH347F

WCH

480Mbps high-speed USB bridge chip providing dual UART, I2C, SPI, JTAG and SWD interfaces over a single USB connection

Serial SLC NAND Flash MemoryQFN28

CH570D

WCH

Low-power Qingke RISC-V3C 32-bit MCU with integrated 2.4GHz GFSK wireless transceiver (no Bluetooth), USB Full-Speed controller, 240KB CodeFlash and 12KB SRAM

RISC-V MCU with Integrated 2.4G Wireless CommunicationQFN20

CH570E

WCH

Low-power 2.4G wireless communication MCU based on a Qingke 32-bit RISC-V3C core with 240KB CodeFlash and 12KB SRAM; CH570 variant does not support Bluetooth.

RISC-V MCU with Integrated 2.4G Wireless CommunicationSOP8

CH570Q

WCH

Low-power Qingke RISC-V3C 32-bit MCU with integrated 2.4GHz RF transceiver (no Bluetooth), USB Full-Speed controller, key detection, UART and I2C, in DFN10X3 package

RISC-V MCU with Integrated 2.4G Wireless CommunicationDFN10X3

CH572

WCH

Single Color LED, Cool White, Water Clear

RISC-V MCU with Integrated 2.4G Wireless Communication

CH572/CH570

WCH

Qingke RISC-V3C 32-bit MCU with integrated 2.4GHz RF transceiver (BLE 5.0 on CH572; 2.4G proprietary only on CH570), USB full-speed controller, key detection, CMP, SPI/UART/I2C and 5V-to-3.3V LDO.

RISC-V MCU with Integrated 2.4G Wireless Communication

CH572D

WCH

RISC-V MCU microcontroller with integrated 2.4G wireless communication, 2Mbps low-power Bluetooth BLE module, USB Full-Speed controller, and rich peripheral resources.

RISC-V MCU with Integrated 2.4G Wireless CommunicationQFN-20-EP(3x3)