WCH, the brand of Nanjing Qinheng Microelectronics, makes microcontrollers and interface chips. The CH32V family uses the company’s own RISC-V cores, the CH32F line uses Arm Cortex-M, and the CH57x and CH58x parts add Bluetooth Low Energy radios. WCH is also known for its CH340 USB-to-serial converters and CH9121 Ethernet-to-serial chips found on hobbyist and industrial boards. Products are sold through distributors worldwide.
Focus: risc-v microcontrollers, interface chips.
Tags: risc-v · mcu · usb · ble · ethernet
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