2 layers95.1 × 30 mm
2 layers68.4 × 20.3 mm
UINIO MCU STM32F103C8T6
uinika/UINIO-MCU-STM32F103C8T6an Evaluation Board base on STM32F103C8T6 microcontroller.
- Size
- 68.4 × 20.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 41
- Nets
- 54
- Pads
- 197
- Tracks, vias
- 387, 84
- Pours
- 221
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 4 Feb 2024
- Updated
- 18 Apr 2024
Overview
UINIO MCU STM32F103C8T6 is an open-source printed circuit board by uinika, from the uinika/UINIO-MCU-STM32F103C8T6 repository on GitHub. It is a 2-layer board of 68.4 × 20.3 mm with 41 parts on 54 nets, routed with 387 tracks and 84 vias.
It is built around the STM32F103C8T6 and ME6211C33M5G-N. Its parts include 13 capacitors, 11 resistors, 3 connectors, 3 switches and 2 ICs. It belongs with the STM32 boards of this library.
Main components
2
STM32F103C8T6
LQFP-48(7x7)-40℃~+85℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
ME6211C33M5G-N
SOT-23-5-40℃~+150℃ 1 120mV@(100mA) 3.3V 500mA 50uVrms 60uA 6V 70dB@(1kHz) Fixed Over Current Protection、Enable、Short Circuit Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMICRONEVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdUINIO-MCU-STM32F103C8T6 核心板
UINIO-MCU-STM32F103C8T6 是一款基于 意法半导体 LQFP48 封装的 STM3232F103C8T6 微控制器的核心板电路设计，该微控制器基于 ARM Cortex-M3 内核架构，主频可以达到 72MHz，片上载有 64KB 容量的 Flash 存储器和 20Kbytes 的 SRAM 存储器，并且拥有 3 组 USART 和 2 组 I²C 接口，以及 2 组 SPI 接口与 USB2.0 全速控制器、12 位分辨率的 ADC/DAC 转换器，整体上属于外设资源比较完善的高性价比主控芯片产品。
设计概要
- 引出了意法半导体 STM32F103C8T6 型微控制器上面的全部 GPIO 引脚资源；
- 单独提供有四线制的 SWD 下载接口，便于快速与 UINIO-DAP-Link 建立连接；
- 分别使用了
8MHz与32.768KHz两枚贴片晶振作为系统外部时钟与实时时钟； - 板载 BOOT0 和 BOOT1 两枚启动配置按钮，以及一枚 NRST 复位按钮；
- 模拟电源引脚
VDDA使用了对100Mhz高频杂散信号存在1KΩ阻抗的磁珠进行单点接地；
启动配置
UINIO-MCU-STM32F103C8T6 通过板载的 BOOT0 和 BOOT1 两枚按钮来配置启动方式，默认情况下是从片上的 Flash 闪存进行启动，具体的配置信息可以参见下表：
| BOOT0 | BOOT1 | 启动方式 |
|---|---|---|
0 | X | 片上 Flash 闪存 |
1 | 0 | 系统存储器/ISP |
1 | 1 | 片上 SRAM 静态随机存储器 |
参考技术文档
UinIO.com 电子技术实验室 为 UINIO-MCU-STM32F103C8T6 开源项目提供了如下一系列技术参考资料：
Parts
41| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C1, C3, C4, C6, C7, C9, C13 |
| 5 | 10K | Resistor_SMD:R_0402_1005Metric | R5, R6, R8, R9, R10 |
| 4 | Hole-1mm | Uinio:Hole-1mm | HOLE**, HOLE**, HOLE**, HOLE** |
| 2 | 10pF | Capacitor_SMD:C_0402_1005Metric | C10, C11 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C2, C5 |
| 2 | 22pF | Capacitor_SMD:C_0402_1005Metric | C8, C12 |
| 2 | 5.1K | Resistor_SMD:R_0402_1005Metric | R11, R12 |
| 2 | 50R | Resistor_SMD:R_0402_1005Metric | R2, R3 |
| 2 | Conn_01x24_Pin | Connector_PinHeader_2.54mm:PinHeader_1x24_P2.54mm_Vertical | J1, J2 |
| 1 | 1.5K | Resistor_SMD:R_0402_1005Metric | R4 |
| 1 | 1KΩ 100Mhz | Inductor_SMD:L_0603_1608Metric | L1 |
| 1 | 2K | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 32.768KHz | Uinio:CRYSTAL-FC135-32.768 | Y1 |
| 1 | 8MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | BOOT0 | Uinio:KEY-SMD_4P-L4.2-W3.4-P2.15-LS4.7 | SW3 |
| 1 | BOOT1 | Uinio:KEY-SMD_4P-L4.2-W3.4-P2.15-LS4.7 | SW1 |
| 1 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | LED_Red | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | ME6211C33M5G-N | Uinio:SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR | U1 |
| 1 | NRST | Uinio:KEY-SMD_4P-L4.2-W3.4-P2.15-LS4.7 | SW2 |
| 1 | STM32F103C8T6 | Uinio:TQFP-48_L7.0-W7.0-P0.50-LS9.0-BL | U2 |
| 1 | USB_Type_C_16Pin | Uinio:USB-C-SMD_TYPEC-304J-BCP16 | USB1 |
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Questions
How big is the UINIO MCU STM32F103C8T6 PCB?
It measures 68.4 × 20.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the UINIO MCU STM32F103C8T6 use?
41 parts, built around the STM32F103C8T6 and ME6211C33M5G-N. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the UINIO MCU STM32F103C8T6 KiCad files?
From the uinika/UINIO-MCU-STM32F103C8T6 repository on GitHub, at the commit this page was made from: the board is UINIO-MCU-STM32F103C8T6.kicad_pcb and its schematic UINIO-MCU-STM32F103C8T6.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the UINIO MCU STM32F103C8T6 design in my own project?
Its repository states no licence, so its author keeps all rights: ask uinika before reusing the design.