All-purpose asynchronous serial communication controller
A serial communication, universal asynchronous technology, applied in the direction of data exchange, instrumentation, and electrical digital data processing through path configuration, it can solve the problems of low integration, low data throughput, poor flexibility, etc., and achieve easy system integration. , high data throughput, flexible use
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[0019] The present invention is described in further detail below in conjunction with accompanying drawing:
[0020] see figure 1 , 2 According to the content of the present invention, a detailed implementation scheme is designed.
[0021] The controller structure is as figure 1As shown, 1 is a bidirectional IO processing module, 2 is a PCI slave controller module, 3 is an internal bus interface module, 4 is an interrupt management module, 5 is a one-channel UART control module, 6 is a two-channel UART control module, and 7 is a three-channel UART control module. Channel UART control module, 8 is four-channel UART control module, 9 is five-channel UART control module, 10 is six-channel UART control module, 11 is seven-channel UART control module, 12 is eight-channel UART control module, 13 is PCI bus signal , 14 is internal bus signal, 15 is one-channel UART interface signal, 16 is two-channel UART interface signal, 17 is three-channel UART interface signal, 18 is four-chan...
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