Midgard¶
Datasheets
Midgard is a powerful but easy to use development board with a STM32F7 microcontroller as well as 100 Mbit eithernet support.
Peripherals¶
MCU STM32F769BGT6¶
Core¶
Arm® 32-bit Cortex®-M7 CPU with DPFPU, ART Accelerator and L1-cache, execution from embedded Flash and external memories, up to 216 MHz, 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions.
Memory¶
1 Mbyte 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
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
Low-power¶
Sleep, Stop and Standby modes
VBAT supply for RTC, 32×32 bit backup registers + 4 Kbytes backup SRAM
Interfaces¶
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
Dual mode Quad-SP
General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
Up to 18 timers: up to thirteen 16-bit (1x lowpower 16-bit timer available in Stop mode) andtwo 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 and JTAG interfaces
Cortex®-M7 Trace Macrocell™
GPIO Interrupts¶
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
Ethernet Phy DP83620¶
Single Port 10/100 Mbps Ethernet Physical Layer Transceiver with Fiber Support
Deterministic, Low Transmit and Receive Latency
Selectable Frequency Synchronized Clock Output
Dynamic Link Quality Monitoring
TDR Based Cable Diagnostic and Cable Length Detection
10/100 Mb/s Packet BIST (Built in Self Test)
Error-Free Operation up to 150 Meters CAT5 Cable
ESD Protection - 8 kV Human Body Model
2.5 V and 3.3 V I/Os and MAC Interface
Auto-MDIX for 10/100 Mbps
Auto-Crossover in Forced Modes of Operation
RMII Rev. 1.2 and MII MAC Interface
RMII Master Mode
Synchronous Ethernet Output
25 MHz MDC and MDIO Serial Management
Programmable LED Support for Link, 10 /100 Mb/s Mode, Duplex, Activity, and Collision Detect
Optional 100BASE-TX Fast Link Loss Detection