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file name	file content
CH374DS1.PDF	CH374 datasheet. CH374 is a USB-HOST&DEVICE general interface chip. It supports USB host and USB device, supports 12M USB full-speed communication and 1.5M low-speed communication, supports 8-bit parallel interface or SPI interface, supports all types of USB transmission and Hub operation, etc.
CH334DS1.PDF	CH334/CH335 datasheet. 4-port USB2.0 high-speed HUB controller. CH334/CH335 supports high-performance MTT, and supports over-current detection and port power control. One of the downstream facing ports of CH335 supports USB3.0 SuperSpeed passthrough upstream facing port. It can be applied to computers, industrial computer motherboards, peripherals, embedded systems, etc.
CH32V20x_30xDS0.PDF	CH32V303/305/307/317 datasheet, this series of chips is a high-capacity general-purpose microcontroller designed based on 32-bit RISC-V core, equipped with V4F core, supporting single-precision floating-point instruction set, with higher computing performance. CH32V317 integrates USB2.0 high-speed interface (480Mbps) with built-in PHY transceiver, 100M Ethernet PHY and so on. The CH32V317 integrates USB2.0 high-speed interface (480Mbps) with built-in PHY transceiver, 100M Ethernet PHY, etc.
CH545DS1.PDF	CH545 datasheet. Multi-host multi-device enhanced E8051 MCU. The CH545 provides on-chip 4-port USB root-hub, 4-channel composite USB device controller and transceiver, and it can be used for KVM design.