Pin Signal Function Host Signal 2 RxD Serial asynchronous (RS232) data input Serial data output (TxD) 3 TxD Serial asynchronous (RS232) data output Serial data input (RxD) 5 GND Signal ground Signal ground [...] R8C/2K supported. R8C/2L supported. NONE. Flasher 5R3 / 5 PRO 10-pin Needle Adapter SEGGER offers the 10-pin Needle Adapter, which has been designed to connect Flasher 5 , Flasher 5 PRO , Flasher ST7 or [...] header. The designed pattern with 3 locating pins ensures that the adapter can only be connected in one way. The 10-pin needle adapter allows manufacturers to save costs and space on their PCBs since there