Standard Test and Programming Language

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JAM / STAPL ("Standard Test and Programming Language")[1] is an Altera-developed standard for JTAG in-circuit programming of programmable logic devices[2] which is defined by JEDEC standard JESD-71.[3]

STAPL defines a standard .jam file format which supports in-system programmability or configuration of programmable devices.[4][5][6] A JTAG device programmer implements a JAM player which reads the file as a set of instructions directing it to program a PLD.

The standard is supported by multiple PLD and device programmer manufacturers.


  1. ^ "STAPL - What does STAPL stand for?". Free Online Dictionary. Retrieved 2013-09-17. 
  2. ^ "What is STAPL?". Agilent. 2006-09-07. Retrieved 2013-09-17. 
  3. ^ Jiri Hrazdil. "JESD71 - Standard Test and Programming Language (STAPL)". Retrieved 2013-09-17. 
  4. ^ "ISP & the Jam STAPL". Altera. 2008-01-04. Retrieved 2016-12-16. 
  5. ^ "EIA JESD71-1999 standard test and programming language (STAPL)". Freestd - Electronic Industries Alliance(EIA). Retrieved 2013-09-17. 
  6. ^ "FAQ: What is JAM/STAPL (Standard Test and Programming Language) ?". SECONS s.r.o., Retrieved 2013-09-17.