The Emcraft Systems STM32F4 System-On-Module (SOM) is a compact (30 mm x 46 mm) mezzanine module that combines a 180 MHz Arm Cortex-M4 STM32F429 microcontroller with 32 MB SDRAM, 16 MB NOR Flash and an Ethernet PHY buffer on a single board. The SOM interfaces to a baseboard (motherboard) using two 80-pin interface connectors.
The following are the key hardware features of the STM32F4 SOM:
- Compact (30 mm x 46 mm) mezzanine module;
- External interface using two 80-pin 0.4 mm-pitch connectors;
- Mounting hole reducing the risk of connector-to-PCB intermittence;
- Compliant with the Restriction of Hazardous Substances (RoHS) directive;
- STM32F429 MCU in UFBGA176 package capable of running the system clock at up to 180 MHz;
- Arm SWJ-DP: a combined JTAG and serial wire debug port;
- Powered from single +3.3 V power supply;
- Low-power mode with short startup times;
- Deep-sleep power mode with ultra-low power consumption profiles;
- On-module clocks;
- 32 MBytes SDRAM;
- 16 MBytes NOR Flash;
- Serial console interface at UART CMOS levels;
- 802.3 Ethernet interface;
- USB 2.0 full-speed device/host/OTG controller with on-chip PHY;
- Watchdog Timer (WDT);
- Real-Time Clock (RTC);
- All otherwise uncommitted interfaces of the STM32F4 MCU available on the interface connectors.
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