 MCBSTR9 User's Guide | |
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MCBSTR9 User's Guide
Introduction Setup Theory of Operation
Block Diagram Schematics Technical Data Prototyping Area Microcontroller Power Supply Configuration JTAG Interface LCD Panel LEDs Push Buttons Potentiometer Serial Ports CAN Interface USB Interface Ethernet Interface SD Connector Writing Programs Example Programs STR91x Software Library Interrupt FunctionsSerial Ports
The MCBSTR9 board connects the two on-chip serial UARTs to the ST3232 (IC7), which converts the logic signals to RS-232 voltage levels.
The serial ports (COM1 and COM2) are configured as a standard 3-wire interface. The DB9 connector is wired to loop the PC's handshaking signals back to the PC. Refer to the figure below for details.
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