Port103R

Overview

Port103R is a STM32 development board that features a STM32F103RCT6 device as the microcontroller, supports further expansion with various optional accessory boards for your specific application. It is ideal for starting application development with STM32F family.

Note: Optional accessory boards are NOT included in the price.

What's On Board

1. STM32F103RCT6: the high performance STM32 MCU which features
   • Core: ARM Cortex-M3 32-bit RISC
   • Operating Frequency: 72MHz, 1.25 DMIPS/MHz
   • Operating Voltage: 2-3.6V
   • Package: LQFP64
   • I/Os: 51
   • Memories: 256kB Flash, 48kB RAM
   • Communication Interfaces: 2 x SPI, 5 x USART, 2 x I2S, 2 x I2C, 1 x SDIO, 1 x USB, 1 x CAN
   • 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
2. AMS1117-3.3: 3.3V voltage regulator
3. Power indicator
4. VBUS LED
5. LEDs: convenient for indicating I/O status and/or program running state
6. Reset button
7. User keys
8. Joystick: five positions
9. 8M crystal oscillator
10. 32.768K crystal, for internal RTC with calibration
11. JTAG/SWD interface: for debugging/programming
12. USB connector, used for establishing USB communication between PC and the STM32 development board
13. UART1 connector, supports ISP (In-System Programming) through UART1, as well as system signal output
14. IO expander, all the MCU pins are accessible on expansion connectors for further expansion
15. Power input/output header, 5V/3.3V, usually used for power output, or common ground with other user board
16. 5V DC power jack
17. Boot mode selection: for configuring the BOOT0 pin
18. Power supply switch, powered from 5V DC jack or USB connection
19. USB jumper
    • short the jumper to enable the PC auto detection while USB connecting
    • open the jumper to disable
20. VBAT selection jumper
    • short the jumper to use system power supply
    • open the jumper to connect the VBAT to external power, such as battery
21. 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
22. 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
23. 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

Photos

Note:
Accessory board and programmer/debugger in the photos are NOT included in the price.
Port103R supports programming through UART port, and requires a debugger for debugging.

JTAG/SWD Interfaces

The figure 1, and 2 show the header pinouts of JTAG/SWD interface

Figure 1. JTAG Header Pinout

Figure 2. SWD Header Pinout

Development Resources

Port103R 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