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3. SPI data from the HI-8400 is read through the 'Control Console'. This requires use of a
terminal emulator for communication, such as HyperTerminal or Tera Term. Tera Term is
used with Windows versions of Vista or later and is supplied on the Holt Flash drive.
To install Tera Term:
● Use the Tera Term installer, supplied on the Holt Flash drive; run the teraterm-
x.xx.exe installer program. Accept the license agreement stating redistribution is
permitted provided that copyright notice is retained. The notice can be displayed
from the Tera Term window by clicking Help then clicking About Tera Term.
● Accept the default install destination and click Next.
● At the Select Components screen, unselect all options except Additional Plugin =
TTXResizeMenu and click Next.
● Select the installed language, then click Next.
● Accept the default Start Menu folder, then click Next.
● Select any desired shortcuts, then click Next.
● At the Ready to Install screen, click Install.
Run the installed Tera Term program. At the New Connection screen, select (x)Serial and
choose the selected COM port, find the correct COM port using Device Manager.
4. Click Setup then Serial Port to open the serial port setup window. Choose the COM port for
the mini-USB connection and then select the following settings:
Baud Rate = 115200, Data = 8 bits, Parity = none, Stop = 1 bit, Flow Control = none.
5. The evaluation software is pre-programmed into the MCU at the Holt Applications Support
Center. Press the 'RESET MCU' button on the board, the general purpose LED bank, LED[1:8]
will light for 1 sec, the software revision is then displayed on the same LEDs, LED[8:5] being
the most significant digit and LED[4:1] being the least significant digit.
6. The software displays a message on the monitor, similar to the screenshot shown below.
Holt Integrated Circuits
7
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