STM32MP251F datasheet(2/241 Pages) STMICROELECTRONICS

2 / 241 page

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Controls for PMIC companion chip

Low-power consumption

Clock management

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Internal oscillators: 64 MHz HSI, 4/16 MHz MSI, 32 kHz LSI

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External oscillators: 16-48 MHz HSE, 32.768 kHz LSE

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Up to 8× PLLs with fractional mode

General-purpose inputs/outputs

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Up to 172 secure I/O ports with interrupt capability

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Up to 6 wake-up inputs

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Up to 8 tamper input pins + 8 active tampers output pins

Interconnect matrix

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Bus matrices

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128-, 64-, 32-bit STNoC interconnect, up to 600 MHz

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32-bit Arm® AMBA® AHB interconnect, up to 400 MHz

4 DMA controllers to unload the CPU

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48 + 4 physical channels in total

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3× dual master port, high-performance, general-purpose, direct memory access controller (HPDMA), 16

channels each

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1× low-power DMA controller with 4 channels in SmartRun domain

Up to 51 communication peripherals

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8× I2C FM+ (1 Mbit/s, SMBus/PMBus®)

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4× I3C (12.5 Mbit/s)

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5× UART + 4× USART (12.5 Mbit/s, ISO7816 interface, LIN, IrDA, SPI) + 1× LPUART

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8× SPI (50 Mbit/s, including 3 with full duplex I2S audio class accuracy via internal audio PLL or external

clock)(+2 with OCTOSPI + 4 with USART)

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4× SAI (stereo audio: I2S, PDM, SPDIF Tx)

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SPDIF Rx with 4 inputs

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3× SDMMC up to 8-bit (SD/e•MMC™/SDIO)

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Up to 3× CAN controllers supporting CAN FD protocol, out of which one supports time-triggered CAN

(TTCAN)

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1× USB 2.0 high-speed Host with embedded 480 Mbits/s PHY

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1× USB 2.0/3.0 high-speed/SuperSpeed dual role data with embedded 480 Mbits/s and 5 Gbits/s PHY

(5 Gbits/s PHY shared with PCI Express)

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1× USB Type-C® Power Delivery control with two CC lines PHY

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1 × PCI Express with embedded 5 Gbits/s PHY (PHY shared with USB 3.0 SuperSpeed)

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Up to 3× Gigabit Ethernet interfaces

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1× Gigabit Ethernet GMAC with one PHY interface (optional)

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1× Gigabit Ethernet GMAC with one external PHY interface, optionally internally connected to one

embedded Ethernet switch providing two external PHY interfaces

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TSN, IEEE 1588v2 hardware, MII/RMII/RGMII

STM32MP251C/F STM32MP253C/F STM32MP255C/F

STM32MP257C/F

DS14284 - Rev 3

page 2/241

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