Overview1. Core405R is an STM32 MCU core board designed for STM32F405RGT6, supports further expansion. It is ideal for starting application development with STM32F family.2. Minimal ready-to-run system, integrates clock circuit, USB control circuit, USB connector, 3. etc.3. All the I/O ports are accessible on the pin headers4. JTAG/SWD programming/debugging interface5. 2.54mm header pitch, allowed to be plugged-in your application boardWhat has On Board1. STM32F405RGT6: The high performance STM32 MCU which features:- Core: Cortex-M4 32-bit RISC- Operating Frequency: 168MHz, 210 DMIPS/1.25 DMIPS/MHz- Operating Voltage: 1.8V-3.6V- Package: LQFP64- Memories: 1MB Flash, 192+4kB SRAM- MCU communication Interfaces:-- 3 x SPI, 4 x USART, 2 x UART, 2 x I2S, 3 x I2C, 1 x SDIO, 2 x CAN--1 x USB 2.0 HS/FS device/host/OTG controller with dedicated DMA, on-chip full-speed PHY--1 x USB HS ULPI (external PHY required)- AD & DA converters: 3 x AD (12-bit, 1μs, shares 16 channels); 2 x DA (12-bit)- Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP2. AMS1117-3.3: 3.3V voltage regulator3. MIC2075-2: onboard USB power management device4. Power supply switch, powered from 5Vin or USB connection5. Boot mode selection, for configuring BOOT0 pin6. Power indicator7. VBUS LED8. Reset button9. 8M crystal10. 32.768K crystal, for internal RTC with calibration11. JTAG/SWD interface: for debugging/programming12. USB connector, used for establishing USB communication between PC and the STM32 development board13. MCU pins expander, VCC, GND and all the I/O pins are accessible on expansion connectors for further expansion14. 5Vin pinheader, 5V power supply is required when using USB HOST/OTG15. USB jumper- Short the jumper when using USB- Open the jumper to disconnect from related I/O port16. VBAT selection jumper- Short the jumper to use system power supply- Open the jumper to connect the VBAT to external power, such as batteryPackage Contents1. Core405R x 12. USB type A to Mini-B cable x 13. Software CD x 1Specification: Package Weight One Package Weight 0.12kgs / 0.26lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 390 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 39cm / 23.62inch * 15.75inch * 15.35inch Loading Container 20GP: 284 cartons * 390 pcs = 110760 pcs40HQ: 661 cartons * 390 pcs = 257790 pcs