STM32F405RGT6 STM32 STM32 development board core board system board

[Chip Introduction]
STM32F405RGT6
Kernel: Cortex-M4 32-bit RISC;
Operating frequency: 168MHz, 210 DMIPS/1.25 DMIPS / MHz;
Operating voltage: 1.8V-3.6V;
Pack: LQFP64;
Storage resources: 1MB Flash, 192 +4 kB SRAM;
Resource: 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 FS / HS controller (with dedicated DMA);
1 x USB HS ULPI; (for external USB HS PHY)
3 x AD (12 , 1us, sharing 16), 2 x DA (12-bit);
Debugging Download: Support JTAG / SWD debug interface to download, support IAP.
AMS1117-3.3
3.3V regulator device.
MIC2075-2
USB power management devices.
[Other Device Profile]
"5Vin"or"USB"power selector switch
Switch to the left, select USB powered;
Switch to the right, select 5Vin supply.
BOOT state setting switch
You can set the status BOOT0. (BOOT1 rarely need to be used, its status can be changed by BOOT1 change solder PCB soldering points on the back)
Power LED
VBUS LED
Reset button
8M crystal
32.768K crystal
Available using the built-in RTC, or for calibration.
[Interface Description]
JTAG / SWD Interface
Support Downloads and debugging.
USB Interface
USB can communicate with a PC.
MCU pin interface (with VCC / GND)
Leads to VCC, GND, and all I / O, convenience and peripherals to connect.
5Vin input interface
When a USB HOST / OTG, you need to enter a 5V supply.
[Jumper / Switch Description]
USB jumper
Short jumper: When using the USB jump on.
Disconnect Jumper: does not affect the I / O.
VBAT Jumper
Short jumper: The system power supply;
Disconnect Jumper: VBAT can access external power source such as a battery.