Low cost 32bit microcontroller doubles memory
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STMicroelectronics has launched three affordable 32bit microcontroller devices (MCUs) with more memory and a CAN FD interface.
The STM32C051 doubles the on-chip memory to 64 KB flash and 12 KB SRAM at the same cost point and pinout as the STM32C031. While the STM32C091 and STM32C092 extend flash density up to 256 KByte in packages up to 64 pins, the latter also adds a CAN FD interface. This allows developers to further trim the bill of material (BOM) and simplify the hardware design of industrial communication and networking devices.
The STM32C0 MCUs are the most affordable 32bit ST parts, based on a 48MHz ARM Cortex-M0+ core with widely used interfaces such as crystal-less USB Full Speed Device and USARTs, as well as timers and an analog to digital converter (ADC).
On-chip clocks and just one power-supply input save additional external components including timing and decoupling from the BOM and enable a smaller, simpler PCB design.
“The STM32C0 series offers great flexibility as a cost-conscious line in the STM32 family, with memory ranging from 32 KByte to 256 KByte of flash and rich peripherals,” said Patrick Aidoune, General Purpose MCU Division General Manager, STMicroelectronics. “The large flash and RAM now available in the STM32C091/C092 let designers host the graphical user interface alongside the main application, using ST’s TouchGFX tools to create entertaining experiences and streamline development.”
All the STM32C0 devices have long-term availability throughout the lifetime of industrial projects and are in production now, priced from $0.426 for STM32C051F8P6, $0.682 for the STM32C091FCP6, and $0.733 for the STM32C092FCP6 with CAN FD, for orders of 10,000 pieces.
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