ST adds processor, Linux to MCU range

February 21, 2019 //By Peter Clarke
ST adds processor, Linux to MCU range
STMicroelectronics NV (Geneva, Switzerland) has launched the STM32MP1 microprocessor series of chips with Linux operating system distribution. The chip is aimed at IoT and industrial applications.

The STM32MP1 series are dual core processors based on a Cortex-A7 running at 650MHz clock frequency and a Cortex-M4 running at 209MHz. DDR interfaces including DDR3, DDR3L, LPDDR2 and LPDDR3 32/16-bit at 533MHz are supported for connection to synchronous DRAM. The STM32MP1 also supports a wide range of flash memory products: eMMC, SD card, SLC NAND, SPI NAND and Quad-SPI NOR Flashes.

The chip also includes a 3D GPU to run advanced HMI development, based on OpenGL ES 2.0 interface and native support for Linux and various application frameworks, including Android Qt. The STM32MP1 supports 24-bit parallel RGB displays up to WXGA at 60fps and MIPI DSI with 2 data lanes running at 1Gbps.

To provide security, the STM32MP1 Series embeds hardware security features that include TrustZone, cryptography, hash, Secure Boot, anti-tamper pins, and a real-time clock. The processor chip comes with the OpenSTLinux distribution and works with the STM32Cube development ecosystem.

To provide assurance to purchasers the STM32MP1 has been included in ST’s rolling 10-years longevity commitment.

The STM32MP1 series are available in a range of BGA packages to support the lowest PCB cost structure and use the smallest board space. The components are available with prices starting at $4.84 for orders of 10,000 pieces. Products will be available through distributors in March.

Although described as a processor the part makes use of peripherals from ST's MCU range.

It has multiple communication interfaces, such as 3x USB2.0 including 2x High-Speed, 1x Gigabit Ethernet GMAC, 2x CAN FD and standard I2C, UARTs and SPIs. It also comes with a range of analog peripherals including 2x 16bit ADCs, 2x 12bit DACs and on-chip LDOs. The STM32MP1 supports 29x timers and 3x watchdogs. Depending on packages, it can also support up to 176 GPIOs.

ST completes the chipset with the STPMIC1, a dedicated power-management IC (PMIC) that integrates four DC/DC buck converters, six LDOs, a DC/DC boost converter, and USB VBUS and general-purpose power switches.

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