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diff --git a/22nm_PowerPI.mdwn b/22nm_PowerPI.mdwn
index c479bf11d408ed7654e73ac74c37ad98277bc659..9f64e6b24f8bbe690c591186d03bff6cc5e5f0a9 100644 (file)
--- a/22nm_PowerPI.mdwn
+++ b/22nm_PowerPI.mdwn
@@ -118,6 +118,8 @@ NREs are still required**
  - Standard "Pi / Arduino" SoC-style interfaces including UART, I2C,
    SPI, GPIO, PWM, EINT, AC97.
 
+The "PI / Arduino" style interfaces are provided so as to be pin-comoatibke with the existing "Shield" 3rd party producy markets.
+
 # Interfaces
 
 Much of the advanced section is "under consideration" because there are proprietary firmware issues involved as well as high power consumption and high costs involved.  OpenCAPI for example would, in 22nm, at 25 ghz, be an enormous power draw (IBM used 14nm for the POWER9 25ghz SERDES)