The STM32F7 range of microcontrollers takes advantage of the Cortex-M7 core’s DSP extension capabilities. It has about twice the digital-signal processing (DSP) capability of the earlier Cortex-M4 processor.
See: What’s ARM doing in the DSP market?
This will make it useful in applications requiring high-speed or multi-channel audio, video, wireless, motion recognition, or motor control.
In an interesting feature, the USB OTG peripheral has its own power rail so the USB interface can continue operating while the rest of the chip is powered at 1.8V to save power.
The dual clock domain on most peripherals allows the CPU speed to be reduced to minimize power consumption, while keeping the clock frequency unchanged on the communication peripherals.
The MCU’s development kit comes with STM32Cube firmware library, as well as direct support from a wide ecosystem of software-development tool partners and the ARM mbed online community.
Called the Discovery Kit, it is priced at $49.90, and includes WQVGA touchscreen colour display, stereo audio, multi-sensor support, security, and high-speed connectivity.
Together with an integrated ST-Link debugger/programmer (no need for a separate probe), unlimited expansion capability is provided through the Arduino Uno connectivity support and immediate access to a large choice of specialized add-on boards.
The STM32F7 devices are in production now, in a range of package options from a 14mm x 14mm LQFP100 to 28mm x 28mm LQFP208, plus 10mm x 10mm 0.65mm-pitch UFBGA176, 13mm x 13mm 0.8mm-pitch TFBGA216, and 5.9mm x 4.6mm WLCSP143.
Prices start from $6.73 for the STM32F745VE in 100-pin LQFP with 512KB on-chip Flash, for orders of 1000 units.
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