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[doc] Clarify fetch_enable_i meaning

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Signed-off-by: Tom Roberts <tomroberts@lowrisc.org>
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Tom Roberts 2020-06-05 13:44:44 +01:00 • committed by Tom Roberts
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7
doc/integration.rst
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@ -153,7 +153,12 @@ Interfaces
+-------------------------+------------------------------------------------------------------------+
| ``debug_*`` | Debug interface, see :ref:`debug-support` |
+-------------------------+-------------------------+-----+----------------------------------------+
| ``fetch_enable_i`` | 1 | in | Enable the core, won't fetch when 0 |
| ``fetch_enable_i`` | 1 | in | When it comes out of reset, the core |
| | | | will not start fetching and executing |
| | | | instructions until it sees this pin |
| | | | set to 1'b1. Once started, it will |
| | | | continue until the next reset, |
| | | | regardless of the value of this pin. |
+-------------------------+-------------------------+-----+----------------------------------------+
| ``core_sleep_o`` | 1 | out | Core in WFI with no outstanding data |
| | | | or instruction accesses. Deasserts |