file name version upload time size
CH315DS1.PDF 2.2 2021-12-03 139KB
CH315 datasheet. CH315G is a USB1.1 extension cable control chip. The extension distance of network cable can be up to 300 meters. CH315H is a USB signal isolation control chip, used for optoelectronic isolator.
CH371DS1.PDF 0.0 2006-09-01 1KB
CH371 technical manual, USB-DEVICE universal interface chip.
CH9120DS1.PDF 1.1 2021-12-03 105KB
CH9120 datasheet. CH9120 realizes bidirectional transparent transmission between UART and Ethernet, supports UART and network configuration. CH9120 has built-in 10M PHY, and supports serial device to connect to Ethernet.
CH348DS1.PDF 1.1 2021-11-18 548KB
CH348 datasheet, USB to octal serial ports, supports up to 6Mbps baud rate and hardware flowcontrol, supports USB parameters configuration, provides RS485 direction control and GPIO and other signal pins, which can expand UART for computer or upgrade directly common serial device or MCU to USB bus.
CH9340DS.PDF 1.0 2021-11-18 110KB
CH9340 datasheet, USB CDC to single serial port, built-in crystal oscillator, supports built-in CDC driver in operating system.
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.
CH344DS1.PDF 1.3 2021-11-18 135KB
CH344 datasheet, USB to quad serial ports, supports up to 230400bps baud rate, supports USB parameters configuration. CH344 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.
CH342DS1.PDF 1.1 2021-01-18 146KB
CH342 datasheet, USB to dual serial ports, supports up to 3M baud rate, serial port signals support 1.8~5V, built-in crystal oscillator. CH342 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.
CH554DS1.PDF 1.7 2021-11-19 826KB
CH554 datasheet. CH554 is an 8-bit E8051 MCU and supports low-speed USB host/slave and full-speed USB host/slave, with feature of low cost. It provides 16K program ROM and 1K+256 RAM, supports USB host and USB device, ADC, Touch-key, 3 sets of timers, PWM, 2 UARTs and SPI, etc.
CH450DS1.PDF 2.0 2021-11-19 188KB
CH450 datasheet. CH450 is used for driver of 48 LEDs or 6 digital tubes and for 48-key keyboard scan control, compatible with high-speed two-wire interface.