file name version upload time size
CH246DS1.PDF 1.4 2021-11-29 493KB
CH246 datasheet. Wireless Charging Management Chip, integrates with wireless charging transceiver module and small signal decoding circuit, can easily implement various WPC Qi wireless charging solutions in addition to some customer-defined software.
CH573DS1.PDF 1.12 2022-06-29 1.43MB
CH573 datasheet. An MCU based on 32-bit RISC-V instruction set for BLE wireless communication. It provides 448K ROM and 18K SRAM, and the minimum power is 0.3uA. It integrates with full-speed USB host and device controller and transceiver, 12-bit ADC, touch-key detection module, RTC, power management, etc. It provides Bluetooth Low Energy protocol stack and API.
CH557DS1.PDF 1.6 2022-04-29 941KB
CH557 datasheet. CH557 has a built-in 4-port USB Root-HUB and supports USB master-slave mode, with built-in 128 groups of RGB LED controllers, E8051 core, 8K RAM, 64K ROM. CH557 provides ADC, 2 serial ports, 2 SPIs, etc.
CH568DS1.PDF 1.2 2021-12-03 1.07MB
CH568 datasheet. CH568 is a 32-bit MCU. The system clock frequency can be up to 120MHz. CH568 has built-in high-speed USB host-slave controller, SATA controller and 4 sets of SD controllers, provides two encryption algorithms, SM4 and AES, and supports eight encryption modes. In addition, CH568 provides abundant peripherals, such as 4 sets of UARTs, 3 sets of timers and 7 sets of PWMs, etc.
CH545DS1.PDF 1.5 2022-08-08 1.08MB
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.
CH454DS1.PDF 1.5 2021-11-19 224KB
CH454 datasheet. CH454 is used for display driver of 16-segment LED displays or 8 alphanumeric displays and for keyboard scan control, supports 17 segments x 7 digital tubes, 16 segments x 8 digital tubes and 8 segments x 16 digital tubes.
QingKeV4 Processor Manual.PDF 1.0 2022-07-25 404KB
QingKeV4 processor manual. The Qingke V4 microprocessor is based on the standard RISC-V instruction set architecture. An in-house developed 32-bit general-purpose MCU microprocessor. It supports RV32IMACF instruction set and extension for byte and halfword operation compressed instructions. It also supports interrupt nesting, Hardware Push Enable (HPE), Vector Table Free (VTF), several low power modes, enhanced 2-wire debug interface for standard RISC-V debug, and Physical Memory Protection (PMP), etc.
BLE2U.PDF 1.3 2022-07-01 2.08MB
BLE2U manual. A BLE/UART/USB transmission module. The BLE2U implements data transmission between BLE, USB and UART. It supports BLE master-slave mode, slave mode and master mode. BLE4.2 is supported. Available PC-side USB and BLE virtual serial port driver, which is compatible with common serial applications and serial port debug tools, with no secondary development required, implementing transmission between 3 "serial ports".
CH438DS1.PDF 1.2 2021-11-19 188KB
CH438 datasheet. CH438 is an 8-UART extension chip. Each UART receive/transmit has independent 128-byte FIFO. The maximum baud rate is 4Mbps. It supports hardware flow control, compatible with 16C550/16C750. It provides 8-bit parallel interface, used for MCU 8-UART extension.
CH9121DS1.PDF 2.2 2021-11-19 323KB
CH9121 datasheet. Realize transparent transmission between UART and Ethernet. It supports UART and network configuration. It has built-in PHY, and supports serial device to connect to the network.