Linx Technologies 3F090003X Manuale Utente
RK-Wi.232DTS-FCC Rapid Development Kit
User’s Manual
5 Notes
5.1 Microsoft Windows / Hilgraeve HyperTerminal
The RK-Wi.232DTS-FCC Evaluation Kit can be used with HyperTerminal to receive and transmit RS-232
data and send files using file transfer protocols such as ZMODEM. HyperTerminal and many other
terminal programs assert RTS by default. On the evaluation board, the RTS line is tied to the CMD pin on
the module. When the CMD pin is held low, which is the case when the RTS line is asserted, the module
will be placed in command mode.
data and send files using file transfer protocols such as ZMODEM. HyperTerminal and many other
terminal programs assert RTS by default. On the evaluation board, the RTS line is tied to the CMD pin on
the module. When the CMD pin is held low, which is the case when the RTS line is asserted, the module
will be placed in command mode.
In command mode, all UART data sent to the module will be interpreted as commands and will NOT be
sent to the RF engine for transmission. Additionally, if an evaluation board is switched on in the presence
of an asserted RTS line, it will perform a full hardware and flash reset to the factory defaults.
sent to the RF engine for transmission. Additionally, if an evaluation board is switched on in the presence
of an asserted RTS line, it will perform a full hardware and flash reset to the factory defaults.
To use the evaluation board with HyperTerminal or other terminal program, you must first remove the
jumpers from pins 7+8 of JP2, if you are using an RS-232 connection to your PC, or JP3, if you are using
a USB connection to your PC. Removing this jumper will disconnect the RTS line from the CMD pin on
the module, allowing normal operation.
jumpers from pins 7+8 of JP2, if you are using an RS-232 connection to your PC, or JP3, if you are using
a USB connection to your PC. Removing this jumper will disconnect the RTS line from the CMD pin on
the module, allowing normal operation.
5.2 Loopback
Mode
The RK-Wi.232DTS-FCC kit can be operated in a loopback mode by configuring the COM jumpers in
such a way as to link together the TXD and RXD lines to and from the module in the remote evaluation
board.
such a way as to link together the TXD and RXD lines to and from the module in the remote evaluation
board.
Using this mode, the user can send data from their local evaluation board and have it re-transmitted back
to them by the remote evaluation board. The maximum baud rate allowed in loopback mode is 38400
baud for point to point communications only.
to them by the remote evaluation board. The maximum baud rate allowed in loopback mode is 38400
baud for point to point communications only.
Loopback mode using the RS232 jumpers:
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11/7/2005