STM32F030F4 最小系统板 V2.0 (Minimal System Board)
STM32F030F4P6
Board
| Name | STM32F030F4 最小系统板 V2.0 (Minimal System Board) |
| Part | Unknown |
| Brand | Unknown |
| Origin | China |
Microcontroller
| Part | STM32F030F4P6 |
| Manufacturer | ST-Microelectronics |
| Core | Arm Cortex-M0 |
| Max. Clock Speed | 48MHz |
| Package | TSSOP 20 pins |
Internal memories
| FLASH | 16KiB |
| SRAM | 4KiB |
Oscillators
| HSI | 8MHz |
| LSI | 40kHz |
| HSE | 8MHz |
| LSE | None |
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 | None |
Regulator
| Manufacturer | Holtek Semiconductor Inc. |
| Part | HT7333 (7333-A) |
| Package | SOT89-3 3 pins |
| Input | +3.4V to +12V |
| Output | +3.3V @ 250mA |
| Datasheet | HT73xx.pdf |
PCB
| Color | Green |
| Size (w x l) | 28mm x 52mm |
| Mounting | None |
Remarks
- Note: The USB port is connected to the on-board CH330N USB to Serial converter.
Pictures
Inputs
Connectors
Devices
Inputs & outputs
Reset button
| Name | RESET |
| Reference | SW2 |
| Type | Button |
| Connected to | NRST |
| Mode | Active low |
BOOT0 button
| Name | BOOT0 |
| Reference | SW3 |
| Type | Button |
| Connected to | BOOT0 |
| Mode | Active high |
User button
| Name | KEY |
| Reference | SW1 |
| Type | Button |
| Connected to | PA0 |
| Mode | Active low |
Power LED
| Name | Power |
| Reference | D1 |
| Type | LED |
| Connected to | +3.3V rail |
| Mode | N.A. |
User LED
| Name | LED1 |
| Reference | D2 |
| Type | LED |
| Connected to | PB1 |
| Mode | Sink |
Connectors & headers
Header 1 properties
| Name | Unknown |
| Reference | J2 |
| Type | Pin header (2.54mm, 10x1, male) |
Header 1 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3V3 | - | +3.3V rail |
| 2 | F0 | - | PF0 |
| 3 | F1 | - | PF1 |
| 4 | RST | - | NRST |
| 5 | A0 | - | PA0 |
| 6 | A1 | - | PA1 |
| 7 | A2 | - | PA2 |
| 8 | A3 | - | PA3 |
| 9 | A4 | - | PA4 |
| 10 | GND | - | Ground plane |
Header 2 properties
| Name | Unknown |
| Reference | J3 |
| Type | Pin header (2.54mm, 10x1, male) |
Header 2 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3V3 | - | +3.3V rail |
| 2 | A14 | - | PA14 |
| 3 | A13 | - | PA13 |
| 4 | A10 | - | PA10 |
| 5 | A9 | - | PA9 |
| 6 | B1 | - | PB1 |
| 7 | A7 | - | PA7 |
| 8 | A6 | - | PA6 |
| 9 | A5 | - | PA5 |
| 10 | 5V | - | +5V rail |
USB connector properties
| Name | Unknown |
| Reference | None |
| Type | USB Micro |
USB connector pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | VCC | +5V rail |
| 2 | - | D- | CH330 pin 2 |
| 3 | - | D+ | CH330 pin 1 |
| 4 | - | ID | N.C. |
| 5 | - | GND | Ground plane |
SWD header properties
| Name | Unknown |
| Reference | None |
| Type | Pin header (2.54mm, 4x1, male) |
SWD header pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | 3V3 | VCC | +3.3V rail |
| 2 | DIO | SWDIO | PA13 |
| 3 | CLK | SWCLK | PA14 |
| 4 | GND | GND | Ground plane |
Devices
CH330 properties
| Name | Unknown |
| Reference | U2 |
| Manufacturer | WCH |
| Part | CH330 |
| Marking | CH330N |
| Datasheet | CH330_cn.pdf |
| Package | SOP 4 pins |
| Description | USB to Serial converter |
CH330 pins
| # | Name | Function | Connected to |
|---|---|---|---|
| 1 | - | UD+ | USB connector pin 2 via 22Ω (R1) |
| 2 | - | UD- | USB connector pin 3 via 22Ω (R2) |
| 3 | - | GND | Ground plane |
| 4 | - | RTS# | N.C. |
| 5 | - | VCC | +3.3V rail |
| 6 | - | TXD | PA10 via 22Ω (R9) |
| 7 | - | RXD | PA9 via 22Ω (R8) |
| 8 | - | V3 | +3.3V rail |