STM32F103RxT6 DEMO
STM32F103RBT6
Board
| Name | STM32F103RxT6 DEMO |
| Part | Unknown |
| Brand | Unknown |
| Origin | China |
Microcontroller
| Part | STM32F103RBT6 |
| Manufacturer | ST-Microelectronics |
| Core | Arm Cortex-M3 |
| Max. Clock Speed | 72MHz |
| Package | UFQFPN 64 pins |
Internal memories
| FLASH | 128KiB |
| SRAM | 20KiB |
Oscillators
| HSI | 8MHz |
| LSI | 40kHz |
| HSE | 8MHz |
| LSE | 32.768kHz |
Power
| Sources | Any +3.3V pin (+3.3V) Any +5V pin (+5V) USB connector (+5V) |
| VDDA pin | No |
| VSSA pin | No |
| VREF- pin | No |
| VREF+ pin | No |
| Backup battery | Pin |
Regulator
| Manufacturer | Advanced Monolithic Systems Inc. |
| Part | AMS1117 (AMS1117) |
| Package | SOT223 3 pins |
| Input | +4.6V to +15V |
| Output | +3.3V @ 1A |
| Datasheet | AMS1117.pdf |
PCB
| Color | Blue |
| Size (w x l) | 54mm x 60mm |
| Mounting | 4x mounting hole (M4) |
Remarks
- Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time.
Pictures
Resources
Inputs
Devices
None
Inputs & outputs
Reset button
| Name | RST |
| Reference | - |
| Type | Button |
| Connected to | NRST |
| Mode | Active low |
BOOT0 jumper
| Name | BOOT0 |
| Reference | - |
| Type | 2-way jumper |
| Connected to | BOOT0 |
| Mode | N.A. |
BOOT1 jumper
| Name | BOOT1 |
| Reference | - |
| Type | 2-way jumper |
| Connected to | PB2 |
| Mode | N.A. |
Power LED
| Name | POWER |
| Reference | D2 |
| Type | LED |
| Connected to | +3.3V rail |
| Mode | N.A. |
User LED
| Name | PC13 |
| Reference | D1 |
| Type | LED |
| Connected to | PC13 |
| Mode | Sink |
Connectors & headers
Header 1 properties
| Name | Unknown |
| Reference | P4 |
| Type | Pin header (2.54mm, 15x2, male) |
Header 1 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3V3 | - | +3.3V rail |
| 2 | GND | - | Ground plane |
| 3 | PB9 | - | PB9 |
| 4 | 5V | - | +5V rail |
| 5 | PB7 | - | PB7 |
| 6 | PB8 | - | PB8 |
| 7 | PB5 | - | PB5 |
| 8 | PB6 | - | PB6 |
| 9 | PB3 | - | PB3 |
| 10 | PB4 | - | PB4 |
| 11 | PC12 | - | PC12 |
| 12 | PD2 | - | PD2 |
| 13 | PC10 | - | PC10 |
| 14 | PC11 | - | PC11 |
| 15 | PA14 | - | PA14 |
| 16 | PA15 | - | PA15 |
| 17 | PA12 | - | PA12 |
| 18 | PA13 | - | PA13 |
| 19 | PA10 | - | PA10 |
| 20 | PA11 | - | PA11 |
| 21 | PA8 | - | PA8 |
| 22 | PA9 | - | PA9 |
| 23 | PC8 | - | PC8 |
| 24 | PC9 | - | PC9 |
| 25 | PC6 | - | PC6 |
| 26 | PC7 | - | PC7 |
| 27 | PB14 | - | PB14 |
| 28 | PB15 | - | PB15 |
| 29 | PB12 | - | PB12 |
| 30 | PB13 | - | PB13 |
Header 2 properties
| Name | Unknown |
| Reference | P3 |
| Type | Pin header (2.54mm, 15x2, male) |
Header 2 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | PC13 | - | PC13 |
| 2 | VBAT | - | VBAT |
| 3 | PC15 | - | PC15 |
| 4 | PC14 | - | PC14 |
| 5 | PC1 | - | PC1 |
| 6 | PC0 | - | PC0 |
| 7 | PC3 | - | PC3 |
| 8 | PC2 | - | PC2 |
| 9 | PA1 | - | PA1 |
| 10 | PA0 | - | PA0 |
| 11 | PA3 | - | PA3 |
| 12 | PA2 | - | PA2 |
| 13 | PA5 | - | PA5 |
| 14 | PA4 | - | PA4 |
| 15 | PA7 | - | PA7 |
| 16 | PA6 | - | PA6 |
| 17 | PC5 | - | PC5 |
| 18 | PC4 | - | PC4 |
| 19 | PB1 | - | PB1 |
| 20 | PB0 | - | PB0 |
| 21 | PB10 | - | PB10 |
| 22 | PB2 | - | PB2 |
| 23 | 3V3 | - | +3.3V rail |
| 24 | PB11 | - | PB11 |
| 25 | 3V3 | - | +3.3V rail |
| 26 | GND | - | Ground plane |
| 27 | 5V | - | +5V rail |
| 28 | GND | - | Ground plane |
| 29 | 5V | - | +5V rail |
| 30 | GND | - | Ground plane |
USB connector properties
| Name | Unknown |
| Reference | None |
| Type | USB Mini |
USB connector pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | VCC | +5V rail |
| 2 | - | D- | PA11 |
| 3 | - | D+ | PA12 |
| 4 | - | ID | N.C. |
| 5 | - | GND | Ground plane |
SWD header properties
| Name | SWD |
| Reference | None |
| Type | Pin header (2.54mm, 4x1, female) |
SWD header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3.3V | VCC | +3.3V rail |
| 2 | DIO | SWDIO | PA13 |
| 3 | CLK | SWCLK | PA14 |
| 4 | GND | GND | Ground plane |
JTAG header properties
| Name | JTAG |
| Reference | None |
| Type | IDC (2.54mm, 10x2, male) |
JTAG header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | VCC | +3.3V rail |
| 2 | - | VCC | +3.3V rail |
| 3 | - | TRST | PB4 |
| 4 | - | GND | Ground plane |
| 5 | - | TDI | PA15 |
| 6 | - | GND | Ground plane |
| 7 | - | TMS / SWDIO | PA13 |
| 8 | - | GND | Ground plane |
| 9 | - | TCLK / SWCLK | PA14 |
| 10 | - | GND | Ground plane |
| 11 | - | RTCK | N.C. |
| 12 | - | GND | Ground plane |
| 13 | - | TDO / SWO | PB3 |
| 14 | - | GND | Ground plane |
| 15 | - | RESET | NRST |
| 16 | - | GND | Ground plane |
| 17 | - | N.C. | N.C. |
| 18 | - | GND | Ground plane |
| 19 | - | N.C. | N.C. |
| 20 | - | GND | Ground plane |
Serial header properties
| Name | UART1 |
| Reference | None |
| Type | Pin header (2.54mm, 4x1, male) |
Serial header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | RX1 | - | PA10 |
| 2 | TX1 | - | PA9 |
| 3 | GND | - | Ground plane |
| 4 | 5V | - | +5V rail |
OLED/TFT header properties
| Name | TFT |
| Reference | None |
| Type | Pin header (2.54mm, 8x1, female) |
OLED/TFT header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | RST | - | NRST |
| 2 | CS | - | PB12 |
| 3 | RS | - | PB1 |
| 4 | SDA | - | PB15 |
| 5 | SCL | - | PB13 |
| 6 | 3V3 | - | +3.3V rail |
| 7 | LED | - | PB0 |
| 8 | GND | - | Ground plane |