Hi Jace, Thank you again. The problem was the pin connection. After making the correct connection, the procedure using TeraTerm also works! For further reference about this issue: 1) BSL connection for F2xx family: MSP-FET MCU (F2xx) TCK (07) (57) TCK (Test clock - JTAG) RST (11) (58) RST\NMI UART_TXD (12) (13) BSL transmit UART_RXD (14) (22) BSL receive Literature reference: please see section 1.3.1.2 in the Flash BSL User Guide ( http://www.ti.com/lit/slau319 ) 2) BSL Invocation for F2xx family using MSP-FET User will need to use a serial port terminal emulator that allows to configure baud rates different from standard values. To enter BSL mode you will need tho configure baud rate as 9601 on UART1 port of MSP-FET 's virtual COM ports . This will generate RST and TCK signals to put MCU on BSL mode. After that you will need to close COM port (exit terminal) and use BSLDEMO2 commands. Literature reference: processors.wiki.ti.com/.../f1391570252-215069158.html HOWEVER, still experiencing some problems. Now related with security password. Using a brand new MCU during tests, BSLDEMO2 try to send standard password (32 x FFs) but MCU didn't recognizes it and mass erase all memory. Another thing is that BSLDEMO2 stopped working while trying to send a valid firmware to an empty MCU. Windows message only says that application has stopped working. Still have some work to do... Thanks again!
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