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shumaguananjian
- 介绍CH452芯片功能，CH452驱动，数码管显示，按键扫描-CH452-driven, digital display, keypad scanning
CH452
- 一个利用CH452键盘管理芯片的键盘功能模块，采用89S52单片机利用中断和SPI接口有效节约了单片机的IO口资源。-CH452 keyboard management chips using a keyboard function modules, using 89S52 microcontroller interrupt and SPI interfaces using the effective conservation of the microcontroller IO port res
CH452_I2C
- STM8使用库函数通过I2C对CH452实现按键操作，-STM8 library function by I2C CH452 key operation,
IIC8
- STM8使用库函数对CH452进行显示操作，通过配置I2C实现了实时时钟功能-STM8 library functions CH452 display operation by configuring I2C real-time clock function
ourdev_725544IVKO0A
- 基于stm32上按键驱动芯片CH452的驱动代码(Drive code based on key driver chip CH452 on stm32)