From 1392c5aa2bb6308f58eebf218e97dc4f3e6c7e84 Mon Sep 17 00:00:00 2001
From: Emard <vordah@gmail.com>
Date: Fri, 21 Apr 2017 00:13:16 +0200
Subject: [PATCH] how to route BGA

---
 doc/bga-layout.txt | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 doc/bga-layout.txt

diff --git a/doc/bga-layout.txt b/doc/bga-layout.txt
new file mode 100644
index 0000000..ca4d916
--- /dev/null
+++ b/doc/bga-layout.txt
@@ -0,0 +1,4 @@
+for proper placing ground and power planes, see
+TN1074 - PCB Layout Recommendations for BGA Packages, page 32
+example for BGA 381 ECP5
+