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Embedded Coder/ Embedded Targets/ Processors/ Texas Instruments C2000/ C281x
The C281x SCI Transmit block transmits scalar or vector data in int8 or uint8 format from the C281x target's COM ports in nonreturn-to-zero (NRZ) format. You can specify how many of the six target COM ports to use. The sampling rate and data type are inherited from the input port. The data type of the input port must be one of the following: single, int8, uint8, int16, uint16, int32, or uint32. If no data type is specified, the default data type is uint8.
Note For any given model, you can have only one C281x SCI Transmit block per module. There are two modules, A and B, which can be configured through the Target Preferences block. Many SCI-specific settings are in the DSPBoard section of the Target Preferences block. You should verify that these settings are correct for your application. Fixed-point inputs are not supported for this block. |
SCI module to be used for communications.
This field specifies the data located at the front of the sent data package, which is not part of the data being transmitted, and generally indicates start of data. The additional package header must be an ASCII value. You may use any string or number (0–255). You must put single quotes around strings entered in this field, but the quotes are not sent nor are they included in the total byte count.
This field specifies the data located at the end of the sent data package, which is not part of the data being transmitted, and generally indicates end of data. The additional package terminator must be an ASCII value. You may use any string or number (0–255). You must put single quotes around strings entered in this field, but the quotes are not sent nor are they included in the total byte count.
If this option is selected, an interrupt is posted when FIFO is full, allowing the subsystem to take some sort of action.
For detailed information on the SCI module, see TMS320x281x, 280x DSP Serial Communication Interface (SCI) Reference Guide, Literature Number SPRU051B, available at the Texas Instruments Web site.
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