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CH554DS1.PDF
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1.8 |
2022-08-08 |
827KB |
| 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. |
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CH370DS1.PDF
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1.2 |
2021-11-29 |
164KB |
| CH370 datasheet. General purpose USB interface chip, with parallel port/SPI control interface. CH370 supports USB Host mode, supports all types of transmission, HUB operation, and provides USB flash disk file system library. |
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CH451DS1.PDF
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4.5 |
2021-11-29 |
296KB |
| CH451 datasheet. CH451 can be used for 8×8 segment digital tube drive and 64-key keyboard scanning control, cascading 10MHz high-speed 4-wire interface to simplify the workload of MCU. |
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CH247DS1.PDF
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1.1 |
2022-06-07 |
157KB |
| CH247 datasheet. CH247 is a wireless power controller. CH247 supports Qi protocol, and supports up to 15W output power. |
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CH450DS1.PDF
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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. |
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CH422DS1.PDF
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2.0 |
2021-12-03 |
162KB |
| CH422 datasheet. Remote I/O expander chip of two-wire serial interface, used for display of 4 digital tubes and I/O expansion application. The input is a two-wire interface compatible with I2C, and the output is an 8-bit bidirectional I/O port and 4-bit large-current output port. |
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CH9143DS1.PDF
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1.2 |
2022-08-06 |
291KB |
| CH9143 datasheet. BLE/UART/USB transceiver. The CH9143 implements data transfer among BLE, USB and UART. It supports BLE master-slave mode and slave mode, and supports BLE4.2. A PC-side virtual serial port driver is provided, compatible with common serial port applications and serial debug tools, no secondary development required, easy to implement transmission between 3 "serial ports". |
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BLE-SER.PDF
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1.4 |
2022-06-30 |
1.62MB |
| BLE-SER manual. A BLE to UART module, supports BLE master-slave mode and slave mode, and supports BLE4.2. It can implement automatic connection and binding in BLE master-slave mode. Available PC-side BLE virtual serial port driver, which is compatible with common serial applications and serial port debug tools, with no secondary development required, implementing wireless UART and UART extension. |
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CH224DS1.PDF
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1.6 |
2022-04-25 |
1.03MB |
| CH224 datasheet. CH224 can act as Type-C UFP and support multiple fast charging protocols such as PD on Type-C and Type-A interfaces. It supports E-Mark simulation and the maximum supported power is 100W. The request voltage can be adjusted in real time. |
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CH372DS3.PDF
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1.0 |
2021-11-29 |
78.3KB |
| USB bus interface chip CH372G (serial bus parallel mode) datasheet. The sixteen CH372G chips can be connected to the asynchronous serial bus at the same time. |