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-rw-r--r--examples/lpc43xx/hackrf-jellybean/i2c/README11
1 files changed, 10 insertions, 1 deletions
diff --git a/examples/lpc43xx/hackrf-jellybean/i2c/README b/examples/lpc43xx/hackrf-jellybean/i2c/README
index 0785a11..14745f6 100644
--- a/examples/lpc43xx/hackrf-jellybean/i2c/README
+++ b/examples/lpc43xx/hackrf-jellybean/i2c/README
@@ -2,4 +2,13 @@
README
------------------------------------------------------------------------------
-This program exercises the I2C peripheral on Jellybean's LPC43xx.
+This program exercises the I2C peripheral on Jellybean's LPC43xx. You can
+scope SCL on P6 pin 3 and SDA on P6 pin 5. If Lemondrop is connected, LED1
+will illuminate if I2C communication to the Si5351C on Lemondrop is successful.
+
+Required Lemondrop -> Jellybean connections:
+
+SCL: Lemondrop P7 pin 3 -> Jellybean P6 pin 3
+SDA: Lemondrop P7 pin 5 -> Jellybean P6 pin 5
+VCC: Lemondrop P4 pin 2, 4, or 6 -> Jellybean P17 pin 2, 4, or 6
+GND: Lemondrop P5 -> Jellybean P13