Overview Core205R is an STM32 MCU core board designed for STM32F205RBT6, supports further expansion. It is ideal for starting application development with STM32F family. * Minimal ready-to-run system, integrates clock circuit, USB control circuit, USB connector, etc. * All the I/O ports are accessible on the pin headers * JTAG/SWD programming/debugging interface * 2.54mm header pitch, allowed to be plugged-in your application board What's On Board * STM32F205RBT6: the high performance STM32 MCU which features: * Core: Cortex-M3 32-bit RISC * Operating Frequency: 120MHz, 150 DMIPS/1.25 DMIPS/MHz * Operating Voltage: 1.8V-3.6V * Package: LQFP64 * Memories: 128kB Flash, 64+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 IAP * AMS1117-3.3: 3.3V voltage regulator * MIC2075-2: onboard USB power management device * Power supply switch, powered from 5Vin or USB connection * Boot mode selection, for configuring BOOT0 pin * Power indicator * VBUS LED * Reset button * 25M crystal * 32.768K crystal, for internal RTC with calibration * JTAG/SWD interface: for debugging/programming * USB connector, used for establishing USB communication between PC and the STM32 development board * MCU pins expander, VCC, GND and all the I/O pins are accessible on expansion connectors for further expansion * 5Vin pinheader, 5V power supply is required when using USB HOST/OTG * USB jumper * short the jumper when using USB * open the jumper to disconnect from related I/O port * VBAT selection jumper * short the jumper to use system power supply * open the jumper to connect the VBAT to external power, such as battery JTAG/SWD Interfaces The figure 1, figure 2 shows the header pinout of JTAG, SWD interface respectively Figure 1. JTAG Header Pinout Figure 2. SWD Header Pinout Development Resources Core205R STM32 development board comes with a User Guide CD including development resources listed as below: * Related software (KEIL etc.) * Examples in C * Schematic (PDF) * Development documentations Dimensions Package Contains * Core205R x 1 * USB type A to Mini-B cable x 1 Wiki: www.waveshare.com/wiki/Core205R https://elecena.pl/product/4641620/core205r-stm32f205rbt6-mcu-core-board 2014-05-31 https://elecena.pl/product/4641620/core205r-stm32f205rbt6-mcu-core-board 2015-07-07 https://elecena.pl/product/4641620/core205r-stm32f205rbt6-mcu-core-board 2015-09-07 https://elecena.pl/product/4641620/core205r-stm32f205rbt6-mcu-core-board 2018-04-09