Table 12. STR485L
V I/O configuration
I/O Configuration
PA7 USART3_TX
PA5 USART3_RX
PD12 USART3_RTS
1.6.2.5 USB connector
The on-board USB Type-C connector can be used for both power supply and data transfer (USB device only).
Y
ou can find several examples of USB class implementation in the STM32 software packages.
Table 13. USB connector I/O configuration
I/O Configuration
PA12 USB_OTG_DP
PA11 USB_OTG_DM
1.6.2.6 STSAFE-A110
The STSAFE-A1
10 is a highly secure element that provides authentication and secure data management services
to a local or remote host. It consists of a full turnkey solution with a secure operating system, which runs on the
latest generation of secure microcontrollers.
The STSAFE-A110 can be integrated in IoT devices, smart-home, smart-city, industrial applications, consumer
electronics devices, consumables, and accessories.
Table 14. STSAFE-A110 I/O configuration
I/O Configuration
PB6 I2C1_SCL
PB9 I2C1_SDA
PH9 RESET
1.6.2.7 MicroSD card socket
On the bottom side of the STWIN.box core system board is a microSD card socket that is accessible even when
the board is mounted in the plastic case.
A four-bit wide SDIO port allows accessing the card for the maximum performance.
T
able 15. Micro-SD card socket I/O configuration
I/O Configuration
PC8 SDMMC_D0
PC9 SDMMC_D1
PC10 SDMMC_D2
PC11 SDMMC_D3
PC12 SDMMC_CK
PD2 SDMMC_CMD
PG1 SD_Detect
1.6.2.8 Clock sources
There are two external clock sources on the STWIN.box core system board:
UM2965
Functional blocks
UM2965 - Rev 1
page 16/58
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