DataSheet


file name version upload time size
CH345DS1.PDF 1.4 2021-11-18 254KB
CH345 datasheet, USB to MIDI interface, supports MIDI input and output, used to make USB MIDI keyboards, and convert MIDI instruments to USB interfaces, etc.
CH375DS1.PDF 4.0 2021-11-29 233KB
CH375 datasheet. Easy-to-use USB-HOST&DEVICE general interface chip, supports host-slave USB applications and dynamic switch, has built-in communication protocol firmware, and provides USB flash disk file system library. This datasheet introduces the physical sector operation of the USB flash disk in USB host mode.
CH375DS2.PDF 4.0 2021-11-29 116KB
CH375 datasheet (Ⅱ). Easy-to-use USB-HOST&DEVICE general interface chip, supports host-slave USB applications and dynamic switch, has built-in communication protocol firmware, and provides USB flash disk file system library. This datasheet introduces the basic USB transfer commands in USB host mode.
CH446DS1.PDF 1.4 2021-11-29 173KB
CH446 datasheet. 8x16 matrix analog switch chip, contains 128 analog switches, used for arbitrary routing of 8x16 signal channels. CH446 supports 4V to 12V single supply voltage, and supports +5V and -7V dual power supply voltage. The ON resistance is not greater than 65Ω.
CH344DS1.PDF 1.5 2022-05-24 331KB
CH344 datasheet, USB to quad serial ports, supports up to 6Mbps baud rate, supports USB parameters configuration, provides RS485 direction control and GPIO and other signal pins. CH344 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.
CH457DS1.PDF 2.0 2021-11-29 131KB
CH457 datasheet. 128-LED display driver. The CH457 dynamically drives 128 LEDs with 32-bit 4-segment structure or 16-bit 8-segment structure, and supports 2-wire/3-wire serial interface.
CH342DS1.PDF 1.5 2022-01-27 190KB
CH342 datasheet, USB to dual serial port, supports up to 3M baud rate, serial port signals supports 1.8V~5V, built-in crystal oscillator. CH342 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.
CH455DS1.PDF 1.5 2021-11-29 192KB
CH455 datasheet. CH455 can be used for 32 LEDs or 4 digital tubes drive, and 28-key keyboard and 3 combination keys scanning control.
CH421DS1.PDF 2.1 2021-11-29 162KB
CH421 datasheet. Bidirectional buffer interface chip. The CH421 supports parallel port communication, asynchronous data exchange, no need to synchronization or waiting during read/write operations. The maximum transfer speed is not less than 7Mbytes per second. It can be used for 8-bit parallel port exchange data between two MCUs.
CH372DS1.PDF 4.0 2021-11-29 213KB
CH372/CH375/CH376 (device mode) datasheet. Easy-to-use USB-DEVICE general interface chip, used for users to quickly develop USB products. This datasheet introduces the basic transfer commands of USB devices.