Ref. Description Ref. Description
U1 STM32H747, Main processor U10 Power Manager
U2 QSPI Flash Memory U11 Crypto Chip (NXP)
U3 USB HS PHY U12, U13, U14 ESD protection
U4 SDRAM U16 Crypto Chip (Microchip)
U5 Ethernet PHY J1, J2 High Density Connectors
U6 MIPI to USB-C/DisplayPort converter ANT1 Antenna or U.FL Connector
U7 Level Shifter JANALOGJDIGITAL MKR compatible headers
U8 I2C level shifter J4 Battery connector
U9 Wi-Fi/BT Module J5 ESLOV connector
4.2 Processor
Main processor is a dual core Cortex M7 running at up to 480 MHz and a Cortex M4 running at up to 240 MHz. The
two cores communicate with each other via a hardware assisted mailbox on which Arduino implements a Remote
Procedure Call mechanism that allows calling functions on the other processor seamlessly.
Both processors can share all the peripherals and resources and both can run the following applications:
Arduino sketches on top of mbed
Native mbed applications
MicroPython/Javascript interpreter
TensorFlow Lite
In all combinations of applications it is possible to invoke synchronous or asynchronous API calls. For example it is
possible to extend Python language with functions implemented as Arduino sketches that are executed in parallel
to other python functions by the opposite core.
Processor’s various power modes allow quickly switching between high performance and very low power
configurations, optimizing power consumption whenever cores are idle.
Internal memory is composed of 2MB of flash with read while write support and 1MB of RAM partitioned as
follows:
192 Kbytes of Tightly Coupled Memory for time critical routines
64 Kbytes instruction
128 Kbytes of data
864 Kbytes of user SRAM
4 Kbytes of SRAM in Backup domain
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