Sunday, July 14, 2024

Extended MCU Series With USB-C Dual Port, CAN FD And Large Memory

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More product variants include features such as dual-bank Flash, support for CAN FD and crystal-less USB Full-Speed data/host support

Strengthening the STM32G0 Arm Cortex-M0+ microcontroller (MCU) series by STMicroelectronics are more product variants and features such as dual-bank Flash, support for CAN FD and crystal-less USB Full-Speed data/host support.

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For budget-conscious applications, the new STM32G050 Value Line and mainstream STM32G051 and STM32G061 MCUs add rich analogue features and up to 18KBytes of RAM in package options up to 48-pins. Additionally, the STM32G0B0 Value Line, STM32G0B1 and STM32G0C1 MCUs introduce new features to the STM32G0 series by integrating a USB 2.0 device/host controller and dual-bank Flash memory. The STM32G0B1 and STM32G0C1 feature ST’s FDCAN peripheral.

The new variants that combine a USB2.0 Full Speed crystal-less data interface supporting Device and Host modes, and a USB-C Power Delivery controller, enables the STM32G0 to help customers develop innovative use-cases leveraging the dual-role capability to extend the interoperability of new USB-C devices. 

Because the USB Dual Role is replacing USB On-The-Go (OTG), STM32G0 can easily change between device and host roles and change between a power source and power sink with a simple USB Power Delivery command. The FDCAN block provides two CAN 2.0 interfaces and supports CAN FD to help integrate innovative functionality in industrial systems and automotive diagnostics.

The STM32G0 series now covers package options from 8- to 100-pins, Flash density from 16KBytes to 512KBytes and generous program-data RAM up to 144KBytes. Flexible run and static modes ensure low power consumption, up to the maximum operating frequency of 64MHz. The high-accuracy internal clock is extremely stable over temperature and there is a precision timer with a resolution proportional to twice the CPU frequency. STM32G0 MCUs have high noise immunity and are available in various temperature ratings up to 125°C.

Cyber-security features provide state-of-the-art protection for consumer, appliance, and industrial applications, including secure boot and firmware update (SB/SFU), Proprietary Code Read-Out Protection (PCROP) to protect manufacturers’ IP and a Memory Protection Unit (MPU) to assist task partitioning. Variants with accelerated AES-256 hardware encryption are also available.

The new STM32G0 devices are now in production. The STM32G050F6P6 Value Line in TSSOP20 comes with 32KBytes Flash. The STM32G0B product line for the STM32G0B0KET6 comes in LQFP32 with 512KBytes Flash.

For development, the NUCLEO-G0B1RE board and STM32G0C1E-EV evaluation board are available to jump-start new projects whereas the STM32CubeG0 software package provides the Hardware Abstraction Layer (HAL), Low-Layer (LL) APIs, and middleware components.


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