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Entry-level 32-bit MCUs feature from 16 to 512 Kbytes of embedded Flash

October 22, 2010 // Julien Happich

STMicroelectronics extended its STM32 value high-density microcontrollers offering with extra program memory and on-chip functions, with devices featuring from 16 to 512 Kbytes of embedded Flash. The STM32 family now has over 140 pin- and software-compatible variants covering a wide price/performance spectrum and offering market-optimized options such as built-in USB support.

Among the new enhanced features of the family is an external memory interface, which can address numerous types of external code or data memory. The interface also supports a parallel interface mode for LCD screens with embedded controllers. This responds directly to the growing use of graphical LCD panels in products such as washing machines, audio/DVD players and RF remote controls.

In addition, extra package options, with up to 112 I/O pins, help designers manage more intensive communications between the microcontroller and other system components, such a sensors, status indicators, wireless subsystems and USB ports.

The STM 32 value high density line include a 24MHz processor supporting 1.25 DMIPS/MHz, 256 to 512 Kbytes flash, an external memory interface for larger application code storage, 12x 16-bit timers including motor-control timer, a 12-bit ADC with 1.2us conversion time, a LCD parallel interface support via external memory interface and 64-pin to 144-pin package options.

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This month, FTDI Chip is giving away six MCU development board packages complete with a dedicated compiler (including a full integrated development environment).

Worth Euro 315 each, the packages include a credit card sized Clicker 2 board for the FT90X 32-bit MCU supplied alongside a powerful dedicated compiler from MikroElektronika.


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