Complex sentence: JAM/STAPL Standard Test and Programming Language is anAltera-developed standards for JTAG in-circuit programming of programmable logic devices which is defined by JEDEC standard JESD-71.
Split into simpler sentences: JAM/STAPL (Standard Test and Programming Language) are Altera-developed standards for JTAG in-circuit programming of programmable logic devices. The Jam Standard Test and Programming Language is defined by JEDEC standard JESD-71.