New members of STM32 Microcontroller Family - STMicroelectronics

STMicroelectronics (ST) has added 28 new members to company’s 32-bit STM32 microcontroller family. ST’s STM32 microcontrollers are based on the 32-bit ARM Cortex-M3 CPU. STM32 microcontrollers combine low power consumption with multiple power-saving modes for optimal performance in applications such as building-services controllers, industrial equipment, computer peripherals and medical devices.

ST’s STM32 Microcontrollers

About ST’s STM32 Flash Microcontrollers
The STM32 family of 32-bit Flash Microcontrollers is based on the breakthrough ARM Cortex-M3 core - a core specifically developed for embedded applications. The STM32 family benefits from the Cortex-M3 architectural enhancements including the Thumb-2 instruction set to deliver improved performance with better code density, significantly faster response to interrupts, all combined with industry leading power consumption.
The STM32 family is built to offer new degrees of freedom to MCU users. It offers a complete 32-bit product range that combines high-performance, real-time, low-power and low-voltage operation, while maintaining full integration and ease of development. Compatibility of pin-assignments, peripherals and software across all STM32 devices is a core technical feature throughout this family of microcontrollers.

TI’s STM32 new microcontrollers provide 256 Kbytes, 384 Kbytes or 512 Kbytes of embedded Flash for code and data storage, enabling developers to implement new features and enhance the capabilities of existing product platforms. Embedded SRAM has also been increased, to 64 Kbyte for the 72MHz Performance Line variants, and 48 Kbytes for the 36MHz Access Line devices. The Access Line is engineered to encourage entry to 32-bit design for cost-constrained applications, or 16-bit designs.

Extra peripherals embedded in microcontrollers with 256 Kbytes and larger Flash memories include a Flexible Static-Memory Controller (FSMC) supporting NOR and NAND Flash, SRAM, and CompactFlash memories. The FSMC also supports Intel 8080 and Motorola 6800 modes for parallel interface with LCD controllers. These microcontrollers also feature a host interface for removable media including SD (Secure Digital), SDIO (Secure Digital Input/Output) and MMC (MultiMediaCard), meeting MultiMediaCard System Specification 4.42 for 8-bit data transfer at 48MHz.

In addition, an I2S port supporting master and slave modes and audio-sampling frequencies from 8kHz to 48kHz has been added, as well as a 2-channel 12-bit DAC and an Embedded Trace Macrocell (ETM) to enhanced debug capabilities. Additional standard peripherals are included with a combination of up to five UARTs/USARTs and three SPI and two I2C bus interfaces. This new combination of peripherals allows the STM32 family to address new markets that require superior connectivity and additional control.

The new STM32 microcontrollers are available in LQFP64, LQFP/BGA100 and LQFP144/BGA144 packages. For lower memory-density versions, featuring 32 Kbytes or 64 Kbytes of Flash, a new QFN36, the smallest 6 x 6mm package in the STM32 family, has also been introduced, thereby supporting extended platform scalability for developers seeking a cost-effective common-hardware strategy for multiple market opportunities.

In addition, the new Performance Line microcontrollers, with 256 Kbytes to 512 Kbytes of Flash, now include an extra PWM timer, offering two timers with seven outputs and dead-time control. These two PWM timers combine up to four standard 16-bit timers to allow support of up to twenty-eight PWM signals using the largest package. With an extra 12-bit ADC, these devices provide up to 21 channels of ADC with triple sample-and-hold capability. This gives the STM32 dual motor-control capabilities, to enable it to drive two 3-phase brushless motors at the same time for air-conditioning units and applications requiring four-wheel drive, for example. All Performance Line microcontrollers also include a USB port and CAN interface.

ST’s STM32 product range now comprises 46 different Performance Line and Access Line devices. The STM32 environment allows developers to build applications on a standard core, drawing on a large ecosystem of software and tools. Support for developers includes a new ST evaluation board for the latest models introduced, software and firmware libraries, and a wide variety of compatible third-party tools.

Pricing (10K unit qty) for the STM32 microcontrollers is: $3.72 for 256 Kbytes of Flash in an LQFP64 and $5.88 for 512 Kbytes of Flash in an LQFP144 (Access Line); and $4.31 for 256 Kbytes of Flash in an LQFP64 and $6.51 for 512 Kbytes of Flash in an LQFP144 (Performance Line). The full family starts at 32 Kbytes and distribution pricing in 10K unit qty is: $1.80 for a 32-Kbyte Flash microcontroller (Access Line) and $2.20 for a 32-Kbyte Flash microcontroller in a QFN36 package.

More information about STM32 Microcontrollers can be found at STMicroelectronics website.