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[Doc] update file format about bus group

This commit is contained in:
tangxifan 2022-02-17 15:15:05 -08:00
parent b44701bc2c
commit 4a78bcf5d3
1 changed files with 4 additions and 12 deletions
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16
docs/source/manual/file_formats/bus_group_file.rst
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@ -12,29 +12,21 @@ An example of file is shown as follows.
.. code-block:: xml
<bus_groups>
<bus name="i_addr" lsb="0" msb="3">
<bus_group>
<bus name="i_addr[0:3]">
<pin id="0" name="i_addr_0_"/>
<pin id="1" name="i_addr_1_"/>
<pin id="2" name="i_addr_2_"/>
<pin id="3" name="i_addr_3_"/>
</bus>
</bus_groups>
</bus_group>
Bus-related Syntax
------------------
.. option:: name="<string>"
The bus port name defined before synthesis.
.. option:: lsb="<int>"
The *Least Significant Bit* (LSB) of the bus
.. option:: msb="<int>"
The *Most Significant Bit* (MSB) of the bus
The bus port defined before synthesis, e.g., addr[0:3]
Pin-related Syntax
------------------