Introduction - If you have any usage issues, please Google them yourself
GM814X SPI interface for the slave mode, the son of the work of the serial baud rate, data communications and other帧长settings can be set by software, reducing the demand for external MCU of IO. Chip, low power consumption with multiple power-down operation, the chip less external control, application flexibility, programming using a simple, suitable for most multi-serial port expansion needs of the application. Driver source code