IC TEST STM8 QFP64 Core board STM8A STM8S STM8L Download seat test socket Programmer adapter TQFP64 LQFP64 0.5mm pitch ic test stm8 qfp64 core board stm8a stm8s stm8l download seat test socket programmer adapter tqfp64 lqfp64 0 5mm pitch