Overview
The STM32F777IIT7, produced by STMicroelectronics, is a high-performance microcontroller based on the Arm® Cortex®-M7 32-bit RISC core. This device operates at a frequency of up to 216 MHz and features a floating-point unit (FPU) that supports Arm® double-precision and single-precision data-processing instructions. It also includes a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
The STM32F777IIT7 incorporates high-speed embedded memories, including up to 2 Mbytes of flash memory, 512 Kbytes of SRAM, and 4 Kbytes of backup SRAM. It offers an extensive range of enhanced I/Os and peripherals, advanced communication interfaces, and cryptographic acceleration.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M7 CPU with FPU, ART Accelerator, and L1-cache (16 Kbytes I/D cache) |
| Frequency | Up to 216 MHz |
| Flash Memory | Up to 2 Mbytes, organized into two banks allowing read-while-write |
| SRAM | 512 Kbytes (including 128 Kbytes of data TCM RAM and 16 Kbytes of instruction TCM RAM) + 4 Kbytes of backup SRAM |
| External Memory Controller | Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memories |
| ADCs | Three 12-bit ADCs, up to 24 channels, 2.4 MSPS |
| DACs | Two 12-bit D/A converters |
| Timers | Up to thirteen 16-bit timers and two 32-bit timers |
| Communication Interfaces | Up to four I2C interfaces, four USARTs/UARTs, six SPIs, three CANs, USB 2.0 full-speed/device/host/OTG, 10/100 Ethernet MAC |
| Power Supply | 1.7 to 3.6 V application supply and I/Os |
| Operating Temperature | Industrial grade, -40°C to 105°C |
| Package | LQFP 176 24x24x1.4 mm |
Key Features
- Includes ST state-of-the-art patented technology
- Arm® 32-bit Cortex®-M7 CPU with FPU, ART Accelerator, and L1-cache
- High-speed embedded memories: up to 2 Mbytes of flash, 512 Kbytes of SRAM, and 4 Kbytes of backup SRAM
- Chrom-ART Accelerator (DMA2D) for enhanced graphical user interface
- Hardware JPEG codec and LCD-TFT controller supporting up to XGA resolution
- MIPI® DSI host controller supporting up to 720p 30 Hz resolution
- Advanced communication interfaces: USB 2.0, Ethernet MAC, CAN, SPI, I2C, USART/UART
- Cryptographic acceleration: hardware acceleration for AES, DES, HASH, and HMAC
- True random number generator (RNG) and CRC calculation unit
- Low-power modes: Sleep, Stop, and Standby
- VBAT supply for RTC and backup registers
Applications
- Industrial automation and control systems
- Medical devices requiring high performance and low power consumption
- Automotive systems, including advanced driver-assistance systems (ADAS)
- Consumer electronics with graphical user interfaces
- IoT devices requiring secure and efficient communication
- Smart home and building automation systems
Q & A
- What is the core architecture of the STM32F777IIT7?
The STM32F777IIT7 is based on the Arm® 32-bit Cortex®-M7 CPU with a floating-point unit (FPU), ART Accelerator, and L1-cache.
- What is the maximum frequency of the STM32F777IIT7?
The maximum frequency is up to 216 MHz.
- How much flash memory does the STM32F777IIT7 have?
The device has up to 2 Mbytes of flash memory, organized into two banks allowing read-while-write.
- What types of communication interfaces are available on the STM32F777IIT7?
The device offers USB 2.0, Ethernet MAC, CAN, SPI, I2C, and USART/UART interfaces.
- Does the STM32F777IIT7 support cryptographic functions?
Yes, it includes hardware acceleration for AES, DES, HASH, and HMAC.
- What are the power supply and operating temperature ranges for the STM32F777IIT7?
The device operates with a 1.7 to 3.6 V application supply and I/Os, and it is rated for industrial temperatures from -40°C to 105°C.
- What package options are available for the STM32F777IIT7?
The device is available in an LQFP 176 package.
- Does the STM32F777IIT7 support graphical user interfaces?
Yes, it includes a Chrom-ART Accelerator (DMA2D) and an LCD-TFT controller supporting up to XGA resolution.
- What low-power modes are available on the STM32F777IIT7?
The device supports Sleep, Stop, and Standby modes.
- Is the STM32F777IIT7 RoHS compliant?
Yes, the device is RoHS compliant and meets the Ecopack2 standards.
