STM32F778AI

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製品概要

概要

The STM32F777xx, STM32F778Ax and STM32F779xx devices are based on the high-performance Arm^® Cortex®-M7 32-bit RISC core operating at up to 216 MHz frequency. The Cortex®-M7 core features a floating point unit (FPU) which supports Arm® double-precision and single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances the application security.

The STM32F777xx, STM32F778Ax and STM32F779xx devices incorporate high-speed embedded memories with a Flash memory up to 2 Mbytes, 512 Kbytes of SRAM (including 128 Kbytes of Data TCM RAM for critical real-time data), 16 Kbytes of instruction TCM RAM (for critical real-time routines), 4 Kbytes of backup SRAM available in the lowest power modes, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, a 32-bit multi-AHB bus matrix and a multi layer AXI interconnect supporting internal and external memories access.

All the devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers, a true random number generator (RNG), and a cryptographic acceleration cell. They also feature standard and advanced communication interfaces.

Advanced peripherals include two SDMMC interfaces, a flexible memory control (FMC) interface, a Quad-SPI Flash memory interface, a camera interface for CMOS sensors and a cryptographic acceleration cell.

The STM32F777xx, STM32F778Ax and STM32F779xx devices operate in the –40 to +105 °C temperature range from a 1.7 to 3.6 V power supply. Dedicated supply inputs for USB (OTG_FS and OTG_HS) and SDMMC2 (clock, command and 4-bit data) are available on all the packages except LQFP100 for a greater power supply choice.

The supply voltage can drop to 1.7 V with the use of an external power supply supervisor. A comprehensive set of power-saving mode allows the design of low-power applications.

The STM32F777xx, STM32F778Ax and STM32F779xx devices offer devices in 11 packages ranging from 100 pins to 216 pins. The set of included peripherals changes with the device chosen.

These features make the STM32F777xx, STM32F778Ax and STM32F779xx microcontrollers suitable for a wide range of applications.

特徴
Core: Arm® 32-bit Cortex®-M7 CPU with DPFPU, ART Accelerator™ and L1-cache: 16 Kbytes I/D cache, allowing 0-wait state execution from embedded Flash and external memories, up to 216 MHz, MPU, 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions.

Memories

Up to 2 Mbytes of Flash memory organized into two banks allowing read-while-write

SRAM: 512 Kbytes (including 128 Kbytes of data TCM RAM for critical real-time data) + 16 Kbytes of instruction TCM RAM (for critical real-time routines) + 4 Kbytes of backup SRAM

Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories

Dual mode Quad-SPI

Graphics

Chrom-ART Accelerator™ (DMA2D), graphical hardware accelerator enabling enhanced graphical user interface

Hardware JPEG codec

LCD-TFT controller supporting up to XGA resolution

MIPI® DSI host controller supporting up to 720p 30 Hz resolution

Clock, reset and supply management

1.7 V to 3.6 V application supply and I/Os

POR, PDR, PVD and BOR

Dedicated USB power

4-to-26 MHz crystal oscillator

Internal 16 MHz factory-trimmed RC (1% accuracy)

32 kHz oscillator for RTC with calibration

Internal 32 kHz RC with calibration

Low-power

Sleep, Stop and Standby modes

V_BAT supply for RTC, 32×32 bit backup registers + 4 Kbytes backup SRAM

3×12-bit, 2.4 MSPS ADC: up to 24 channels

Digital filters for sigma delta modulator (DFSDM), 8 channels / 4 filters

2×12-bit D/A converters

General-purpose DMA: 16-stream DMA controller with FIFOs and burst support

Up to 18 timers: up to thirteen 16-bit (1x low- power 16-bit timer available in Stop mode) and two 32-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input. All 15 timers running up to 216 MHz. 2x watchdogs, SysTick timer
Debug mode

SWD & JTAG interfaces

Cortex®-M7 Trace Macrocell™

Up to 168 I/O ports with interrupt capability

Up to 164 fast I/Os up to 108 MHz

Up to 166 5 V-tolerant I/Os

Up to 28 communication interfaces

Up to 4 I²C interfaces (SMBus/PMBus)

Up to 4 USARTs/4 UARTs (12.5 Mbit/s, ISO7816 interface, LIN, IrDA, modem control)

Up to 6 SPIs (up to 54 Mbit/s), 3 with muxed simplex I²S for audio

2 x SAIs (serial audio interface)

3 × CANs (2.0B Active) and 2x SDMMCs

SPDIFRX interface

HDMI-CEC

MDIO slave interface

Advanced connectivity

USB 2.0 full-speed device/host/OTG controller with on-chip PHY

USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI

10/100 Ethernet MAC with dedicated DMA: supports IEEE 1588v2 hardware, MII/RMII

8- to 14-bit camera interface up to 54 Mbyte/s

Cryptographic acceleration: hardware acceleration for AES 128, 192, 256, triple DES, HASH (MD5, SHA-1, SHA-2), and HMAC

True random number generator

CRC calculation unit

RTC: subsecond accuracy, hardware calendar

96-bit unique ID
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