Overview
STM32 Development Board, Supports Arduino, Compatible With NUCLEO-F103RB
Features:
- Compatible with NUCLEO-F103RB, onboard Cortex-M3 microcontroller STM32F103RBT6
- Arduino connectivity support, easy to connect with various Arduino shields and access the massive Arduino resources
- ST Morpho headers provide full access to all STM32 I/Os, easy for peripheral expansion
- Supports mbed, build prototype quickly by mbed SDK and online tools
- Comprehensive free software HAL library including a variety of software examples
- Comes with a separated ST-LINK/V2 module
Advantages:
| COMPARE |
XNUCLEO |
NUCLEO |
REMARKS |
| Arduino compatibility |
UNO, Leonardo |
UNO |
XNUCLEO can be configured by jumper to compatible with UNO (default) or Leonardo |
| Arduino ICSP interface |
Yes |
None |
ICSP is required by certain kinds of shields |
| USB connectivity |
Yes |
None |
The USB connector of NUCLEO is for debugging ONLY, not available for USB connection |
| USB connector |
Micro USB |
Mini USB |
Micro USB is the advanced USB standard |
| Morpho headers mark |
Most |
None |
Now you can check the PCB mark instead of datasheet |
| Common interfaces are connected via |
Jumpers |
0Ω Resistors |
Jumpers are much easier to use, need no soldering |
| UART debugging |
Available while in-circuit debugging |
Not available while in-circuit debugging |
The NUCLEO integrated ST-LINK/V2 functional chip can be simulated as serial port, however, it's not available while in-circuit debugging, whereas XNUCLEO features a stand-alone USB TO UART chip |
| 8MHz crystal |
Yes |
None |
Timer is more accurate when using external 8MHz crystal |
| 32.768KHz crystal |
Yes |
None |
Required for RTC |
| USB fuse |
Yes (500mA) |
None |
The computer USB interface might be harmed without fuse |
| LEDs |
4 |
1 |
The more LEDs, the easier to monitor program running status |
| UART indicator |
Yes |
None |
Data communication is visible now |
| DC input |
Yes |
None |
A convenience |
| Button position |
Close to PCB edge |
Close to Arduino connector |
The button won't be untouchable when connecting with an Arduino shield if it were close to the PCB edge |
| ST-LINK |
Separated |
Integrated |
ST-LINK can be used anywhere else |
| Comes with USB cable |
Yes |
None |
|
What's on the XNUCLEO-F103RB
1. STM32F103RBT6
- Core : ARM® 32-bit Cortex™-M3
- Operating frequency : 72MHz
- Operating voltage : 2.0V-3.6V
- Package : LQFP64
- Memories : 128kB Flash, 20kB SRAM
- Interfaces : 2 x SPI, 3 x USART, 2 x I2C, 1 x CAN, 1 x USB
- AD/DA : 2 x AD (12 bit, 16 channels)
2. SPX3819M5 : 3.3V voltage regulator
3. AMS1117-5.0 : 5.0V voltage regulator
4. CP2102 : USB to UART convertor
5. Arduino connector : for connecting Arduino shields
6. ICSP interface : Arduino ICSP
7. USB TO UART : for debugging
8. USB connector : USB communication interface
9. SWD interface : for programming and debugging
10. ST Morpho headers : access to VCC, GND and all the I/Os, easy for expansion
11. 6-12V DC input
12. User button
13. Reset button
14. Power indicator
15. User LED
16. 500mA fast self-recovery fuse
17. Serial port Rx/Tx indicator
18. 8MHz crystal
19. 32.768KHz crystal
20. ADC/I2C selection jumper
- Short A and B : Arduino A4, A5 is used as I2C
- Short B and C : Arduino A4, A5 is used as ADC
21. UART selection jumper
22. MCU current test jumper : for low power tests
23. Power selection jumper
- Short 5V and U5V : powered from USB connection
- Short 5V and E5V : powered from external power supply
24. USB enable jumper
- Short the jumper to enable
- Open the jumper to disable
25. User button 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
26. User LED 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
XNUCLEO-F103RB Expansion Headers
Package Includes:
- 1x XNUCLEO-F103RB
- 1x ST-LINK/V2 (mini)
- 1x USB Type A Plug to Micro B Plug Cable
- 1x USB Type A Plug to Receptacle Cable
Development Resources:
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