Модуль расширения для отладки через последовательный порт WK2124 с 4-канальным SPI UART.

Модуль расширения для отладки через последовательный порт WK2124 с 4-канальным SPI UART.

modname=ckeditor

one：Product introduction

WK2124The evaluation board is used for testingWK2124Development board of driver for serial port expansion chip，realizationSPISerial port function。

two：Product details

2.1 Main interfaceSPI：

WK2124yesSPIInterface4passagewayUARTdevice，WK2124realizationSPIbridging/extend4Two enhanced serial ports（UART）Function of。

2.2 Main interface features

SPIMain interface：It mainly includesCS:Chip Select ；SCLK：clock signal；SDIN：Slave signal input，Usually connected toCPUOfMOSI；SDOUT：Slave signal output，Usually connected toCPUOfMISO。

2.3 Reset and interrupt interface

Ø Reset signal low level valid，You can get itCPUOfIO。

Ø Interrupt signal output pin，Low level active，Usually connected toCPUExternal interrupt input pin of。

2.4 Sub serial port

Ø The chip has4Sub serial port，Each sub serial port is independent in function，And have256Sending and receiving of bytesFIFO。

Ø The signal provided by the sub serial port is：

RX1-RX4：serial ports

TX1-TX4：Serial output

Available for individual customers51、STM32History andLinuxThe driving range under different conditions。

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