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Date: 25-11-14

STM32F091 MCU from ST has enough SRAM to implement Java Stack

STMicroelectronics has announced its new STM32F091 ARM Cortex-M0 microcontroller with large on-chip memories and up to eight USARTs that save multiplexing communication ports in applications such as in-car audio or three-phase power metering.

STM32F091 has up to 256Kbytes of Flash on-chip and a 32Kbyte SRAM supporting implementation of a Java stack. All variants, including those in economical 48-pin packages, have at least six USARTs. Three of the USARTs are able to support smartcard, LIN2, IrDA3, and Modbus4 modes.

The device has a flexible power architecture that allows analog circuitry, including the 12-bit 1.0µs ADC and two-channel 12-bit DAC, to be operated at up to 3.6V for maximum dynamic range, while digital circuits run at lower voltage to minimize power consumption. Device I/Os can be powered independently, allowing direct connection to a low-voltage companion device such as an application processor without using level shifters.

With built-in CAN2.0A/B support, the STM32F091 can address consumer in-car applications connected to the vehicle network, such as car radio, and industrial-control applications. In addition, designers can take advantage of an integrated touch-sensing controller, as well as a SysTick timer and a Real-Time Clock that aid real-time performance and deliver time-of-day or calendar functions.

The STM32F091 is available in different packages including 48-pin and 64-pin styles, as well as a salt-atmosphere-compatible QFP100 suitable for smart utility meters in China. Prices start from $1.59 for the STM32F091CBT6 with a 128Kbyte Flash in the QFP48 package, for orders of 10,000 pieces.

For further information visit: www.st.com/stm32f0x1

Source: st.com

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