Xeltek Programming XEL-SA628-B031 Adaptor: 56-pin TSOP to 48-pin DIL The Xeltek SA628-B031 is a Programming Adaptor which converts a device in a 56-pin TSOP package to a 48-pin 0.5" pitch DIL pinout suitable for using with a Device Programmer. Typical Device Support: ST M58LW032A.