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BIGdsPIC6 Development System
MikroElektronika
page
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The USB UART module is used to connect the microcontroller provided on the development system to external USB devices. The
USB UART module features the FT232RL circuit providing an interface between the USB device and serial UART module integrated
into the microcontroller. In order to establish connection between the microcontroller and USB UART module, it is necessary to set
switches 1 (RF2) and 2 (RF3) on the DIP switch SW12 to the ON position.
When connecting a UART device and the microcontroller, it is necessary to cross connect data send and data receive lines. In other
words, the UART’s RX pin should be connected to the microcontroller’s TX pin, while the TX pin should be connected to the RX pin.
It is not possible to directly connect UART’s and microcontroller’s TX lines since the microcontroller wouldn’t be able to receive nor
send data.
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: USB connector and microcontroller connection schematic
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: USB UART module
USB connector of B type
