STMicroelectronics X-NUCLEO-GFX01M1 display shield

Thursday, 15 October, 2020 | Supplied by: STMicroelectronics Pty Ltd

STMicroelectronics X-NUCLEO-GFX01M1 display shield

STMicroelectronics’ STM32 Nucleo display shield is designed to leverage STM32G0 microcontrollers (MCUs). The X-NUCLEO-GFX01M1 SPI shield is supported in the latest TouchGFX software, version 4.15.0, which introduces additional features including support for low-cost non-memory-mapped SPI Flash ICs. Designing with STM32G0 and TouchGFX lets developers add a small graphical display to any project. Simple devices such as timers, controllers and home appliances can thus offer a smartphone-like user experience.

The shield contains a 2.2″ QVGA (320x240) SPI display, 64-Mbit SPI NOR Flash, and a joystick and is ready to use with various STM32 MCU development boards such as the NUCLEO-G071RB. The STM32G071RB is a mainstream Arm Cortex-M0+ MCU that integrates up to 128 KB Flash, 36 KB SRAM, extensive communication interfaces, analog peripherals, fast I/Os, hardware security ID and a USB Type-C Power Delivery controller.

TouchGFX software builds on the TouchGFX Engine’s partial framebuffer, which can reduce the GUI RAM footprint by up to 90% and allow a simple user interface in as little as 16–20 KB of internal MCU RAM. The rendering algorithm enhances GUI performance by realising partial screen updates in an optimised order to allow extra updates and avoid visually distracting tearing effects. Support for non-memory-mapped SPI Flash allows more complex GUIs to use off-chip storage for memory-hungry graphics assets such as images and fonts.

To ease user-interface prototyping, an optimised application template for the STM32G071 Nucleo board and display kit is available in TouchGFX Designer. It is also possible to introduce an RTOS to the set-up if required and use TouchGFX Generator to change to other hardware. In addition, a graph widget simplifies the display of sequential data using lines, bars, area plots, histograms or combined visualisations.

For more information: https://blog.st.com/x-nucleo-gfx01m1/.

Online: www.st.com
Phone: 02 9158 7200
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