User's Manual

Hardware and layout description UM1761
8/19 DocID026283 Rev 2
Figure 4. EVAL-ST95HF RF transceiver board top picture
Figure 5. EVAL-ST95HF RF transceiver board back picture
3.2 Eval-ST95HF board powering and Startup
The EVAL-ST95HF board is powered by the USB bus via a Type A / mini B USB cable
connected to a PC.
When powered up, the ST95HF starts the firmware already downloaded in STM32 flash
memory. A general menu appears in which you can reach in various function of the
ST95HF: user can choose mainly between two modes, namely Card emulation mode or
NFC reader mode.
A push button is placed in order to choose the ST95HF LCD screen picture orientation
according to the board direction or in case of two ST95HF used “face to face”.