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 |