From 41d6b80ac1a87f07c9d685e31cbe177bc76ade37 Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Sat, 3 Mar 2018 07:25:56 +0000
Subject: [PATCH]

---
 shakti/m_class/I2S.mdwn | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/shakti/m_class/I2S.mdwn b/shakti/m_class/I2S.mdwn
index 80e5dbaba..6d91512a7 100644
--- a/shakti/m_class/I2S.mdwn
+++ b/shakti/m_class/I2S.mdwn
@@ -3,6 +3,8 @@
 * <http://bugs.libre-riscv.org/show_bug.cgi?id=3>
 * <https://github.com/skristiansson/i2s>
 * <https://en.wikipedia.org/wiki/I%C2%B2S>
+* <http://www.ti.com/lit/an/snla221/snla221.pdf>
+* <https://www.sparkfun.com/datasheets/BreakoutBoards/I2SBUS.pdf>
 
 Question: how does I2S do 4-wire output?
 
-- 
2.30.2