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diff --git a/docs/pinmux.mdwn b/docs/pinmux.mdwn
index 5996adfa47a57baebf7d819c2b3481175983c82a..bedf1ba50b083b11f44eefdabcb8a9bedf7591c0 100644 (file)
--- a/docs/pinmux.mdwn
+++ b/docs/pinmux.mdwn
@@ -13,6 +13,8 @@ out-enable) to be routed right the way from the ASIC, all
 the way to the IO PAD, where only then does a wire bond connect
 it to a single pin.
 
+<img src="https://www10.edacafe.com/book/ASIC/CH02/CH02-44.gif" />
+
 Designing an ASIC, there is no guarantee that the IO pad is
 working when manufactured. Worse, the peripheral could be
 faulty.  How can you tell what the cause is? There are two