STM32 Development Boards , STM32F407ZET6 STM32F407 ARM Cortex-M4 STM32 Development Core Board

1. STM32F407ZET6: the high performance STM32 MCU which features:
   • Core: ARM Cortex-M4 32-bit RISC
   • Feature: a full set of single-cycle DSP instructions
   • Operating frequency: 168MHz, 210 DMIPS/1.25 DMIPS/MHz
   • Operating voltage: 1.8V-3.6V
   • Package: LQFP144
   • Memories: 512KB Flash, 196kB SRAM
   • MCU communication interfaces:
     • 3 x SPI, 4 x USART, 2 x UART, 2 x I2S, 3 x I2C
     • 1 x FSMC, 1 x SDIO, 2 x CAN
     • 1 x USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, ULPI and on-chip full-speed PHY
     • 1 x 10/100 Ethernet MAC
     • 1 x 8 to 14-bit parallel camera interface
   • AD & DA converters: 3 x AD (12-bit, 1μs, shares 24 channels); 2 x DA (12-bit)
   • Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP
2. AMS1117-3.3: 3.3V voltage regulator
3. MIC2075-2BM: onboard chip for USB power management
4. Power indicator
5. VBUS LED
6. LEDs: convenient for indicating I/O status and/or program running state
7. Reset button
8. User keys
9. Joystick: five positions
10. 8M crystal oscillator: enables the MCU run at 168M frequency by frequency multiplication
11. 32.768K crystal (bottom side), for internal RTC with calibration
12. JTAG/SWD interface: for debugging/programming
13. USB connector, used for establishing USB communication between PC and the STM32 development board
14. UART1 connector, supports ISP (In-System Programming) through UART1, as well as system signal output
15. IO expander, all the MCU pins are accessible on expansion connectors for further expansion
16. 5V/3.3 V power input/output: usually used as power output, also common-grounding with other user board
17. 5V DC jack
18. Boot mode selection: for configuring the BOOT0 and BOOT1 pins
19. Power supply switch, powered from 5V DC jack or USB connection
20. USB HOST jumper
    • short the jumper when using USB HOST
    • open the jumper to disconnect from I/O port
21. VBAT selection jumper
    • short the jumper to use system power supply
    • open the jumper to connect the VBAT to external power, such as battery
22. VREF jumper
    • short the jumper to connect VREF+/VREF- respectively to VCC/GND
    • open the jumper to connect VREF+/VREF- to other custom pins via jumper wires
23. User LEDs jumper
    • short the jumper to connect to I/Os used in example code
    • open the jumper to connect to other custom pins via jumper wires
24. User keys jumper
    • short the jumper to connect to I/Os used in example code
    • open the jumper to connect to other custom pins via jumper wires
25. Joystick jumper
    • short the jumper to connect to I/Os used in example code
    • open the jumper to connect to other custom pins via jumper wires

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