X-NUCLEO-SAFEA1 Data brief Secure element expansion board based on STSAFE-A110 Features On-board STSAFE-A110 customized with a standard evaluation profile HE10 extension connector to mount additional STSAFE devices Arduino UNO R3 connector Free drivers, middleware and software samples compatible with the STM32 ODE RoHS and WEEE compliant Description The X-NUCLEO-SAFEA1 expansion board is based on the STSAFE-A110 secure element. It can be used with any STM32 Nucleo development board. The on-board STSAFE-A110 is customized with a standard profile for evaluation and is compatible with the Arduino UNO R3 connector. The X-NUCLEO-SAFEA1 expansion board is used with free X-CUBE-SAFEA1 or X- CUBE-SBSFU software packages containing sample code to demonstrate how to implement security applications. STSAFE-A Product summary Secure element expansion X-NUCLEO- board based on STSAFE- SAFEA1 A110 Authentication and brand STSAFE- protection secure solution A110 Provides drivers, middleware and several code examples to X-CUBE- demonstrate the features SAFEA1 of the STSAFE-A110 device from a STM32 host microcontroller Secure boot and secure X-CUBE- firmware update software SBSFU expansion for STM32Cube DB4051 - Rev 2 - January 2020 www.st.com For further information contact your local STMicroelectronics sales office.X-NUCLEO-SAFEA1 Schematic diagrams 1 Schematic diagrams Figure 1. X-NUCLEO-SAFEA1 circuit schematic - STSAFE-A chips RESET-C1 1 8 1 8 RESET-C1 RST NC NC RST 3V3 3V3 2 7 SCL 2 7 SCL VCC SCL VCC SCL 3 6 3 6 NC NC NC NC C2 100nF/25V 4 5 SDA 4 5 SDA GND SDA GND SDA STSAFE-A110 SO8N STSAFE-A110 UFDFPN8 3x2 GND GND IC1 IC3 RESET-C2 1 8 1 8 RESET-C2 RST NC NC RST 3V3 3V3 2 7 SCL 2 7 SCL VCC SCL VCC SCL 3 6 3 6 NC NC NC NC C3 100nF/25V 4 5 SDA 4 5 SDA GND SDA GND SDA STSAFE-A110 UFDFPN8 3x2 STSAFE-A110 SO8N GND GND IC2 IC4 DB4051 - Rev 2 page 2/6