MCU: STM32F103VCT6 from STMicroelectronics, incorporates the high-performance ARM? Cortex ? -M3 32-bit RISC core operating at a 72 MHz frequency in the LQFP100 package.?The STM32F103VCT6 offers high-speed embedded memories, 12-bit ADC, DAC, PWM, I2C, SPI, I2S, SDIO, USART, USB, CAN, and FSMC.
3.2 “TFT LCD touch screen, 320 * 240 resolution, 262k color, 8/16 bit bus, IO controlling, Stand-Alone touch controller chip, supports 1 SD card (SPI) and 1 DATA FLASH for storage application, such as images , files, date, etc.
128M NAND FLASH, IO controlling, customized updating is available (supports up to 1G, 2G, 4G, etc.).
Onboard high performance MP3 / WMA / MIDI audio decoder and ADPCM encoder: VS1003.?It is a single-chip MP3 / WMA / MIDI audio decoder and ADPCM encoder.?It contains a highperformance, proprietary low-power DSP processor core, DSP4, working data memory, 5 KiB instruction RAM and 0.5 KiB data RAM for user applications, as well as a high-quality variable-sample-rate mono ADC and stereo DAC, followed by an earphone amplifier and a common buffer.
One USB host port, features a file manage and control chip: CH376, used to read / write MCU file in USB Flash Drive or SD card.?CH376 supports USB-Mode and USB-HOST Mode.?Set the firmware of the USB communication protocol in the inner.?It is also a set of firmware of special communication protocol to deal with Mass-Storage devices, communication interface firmware of SD card, FAT16, FAT32 and FAT12 file system to manage firmware in the inner.?It supports common USB storage devices (ch?a USB Flash memory drive / USB ??c th?) v? SD th? (ch?a SD card v?i standard v? HC-SD protocol).
Supports 1.5Mbps low-speed and 12Mbps full-speed, compatible with USB V2.0, only needs crystal and external capacitance.
USB-HOST Mode and USB-DEVICE Mode, automatically switch to Host Mode and Device Mode.
Supports USB device transfer control, bulk transfer and interrupt transfer.
Detects USB device plug and unplug automatically and sends message to USB host.
Set file system manage firmware of FAT16, FAT32 and FAT12, support the capacity up to 32GB USB Flash Drive and SD Card.
Supply file manage function: open, create or delete file, enumerate and search file, create sub-catalog, and support the long file name.
Supply 8-bit passive parallel interface with 2MB speed, support parallel data bus connect to MCU.
Supply SPI device interface with 2MB / 24MHz speed, support SPI serial bus connect to MCU.
One Ethernet port, features a Microchip Stand-Alone Ethernet Controller with SPI Interface: ENC28J60.?Onboard RJ45 connector with transformer and LED indicator.
IEEE 802.3 ? Compatible Ethernet Controller
Fully Compatible with 10/100 / 1000Base-T Networks
Integrated MAC and 10Base-T PHY
Supports One 10Base-T Port with Automatic Polarity Detection and Correction
Supports Full and Half-Duplex modes
One USB device port (supported by STM32F103VCT6)
Communication Interfaces: one CAN, one RS485?,?two RS232
SD card slot that uses SPI interface
Memories: one EEPROM with I2C interface & one Data Flash with SPI interface
AD & DA function: one potentiometer for ADC input adjustment, Screw-terminated connectors for two channels ADC input & one channel DAC output
Human-Machine Interfaces: one buzzer, four user LEDs, one power indicator, one USB communication indicator, three user push-buttons, one joystick (five directions), one reset button
Powered from 5V DC or USB interface, configured via onboard jumper
Dimension: 15cm x 11cm
And the picture along with the arrangement of the elements (my plate looks slightly different, but only in aesthetic terms so the whole layout was the same):
1. 5V DC jack 2. USB port (slave / device mode) 3. MCU – STM32F103VCT6 – LQFP100 package 4. COM port 1 & 2 5. RS-232 transceiver: SP3232 6. Screw-terminated connectors for ADC & DAC – two Channels ADC input – one channel DAC output 7. RS-485 transceiver: SP3485 8. Screw-terminated connectors for CAN & RS485 9. CAN transceiver SN65VHD230 10. NAND Flash, 128M 11. TFT LCD module connector 12. Battery holder 13. Date Flash with SPI interface 14. one joystick & three push buttons 15. audio button?and decoder ADPCM encoder: VS1003?16. reset button 17. three audio ports 18. File manage and control chip: CH376 19. USB port (host mode) 20. Stand-Alone Ethernet Controller with SPI Interface: ENC28J60 22. Ethernet port 23. JTAG / SWD port