From 9de11dd958304ba73c1809d04906eb104e6fbe8a Mon Sep 17 00:00:00 2001
From: Robert Jordens <rj@m-labs.hk>
Date: Fri, 25 Mar 2016 13:24:49 +0100
Subject: [PATCH] RELEASE_NOTES: pipistrello speed change

---
 RELEASE_NOTES.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/RELEASE_NOTES.rst b/RELEASE_NOTES.rst
index c032deb8a..89c8dd740 100644
--- a/RELEASE_NOTES.rst
+++ b/RELEASE_NOTES.rst
@@ -3,6 +3,14 @@
 Release notes
 =============
 
+unreleased
+----------
+
+* The CPU speed in the pipistrello gateware has been reduced from 83 1/3 MHz to
+  75 MHz. This will reduce the achievable sustained pulse rate and latency
+  accordingly. ISE was intermittently failing to meet timing (#341).
+
+
 1.0rc1
 ------