STMicroelectronics
STM32F103C8T6 - 32位ARM Cortex-M3 MCU，64KB Flash | STMicroelectronics
料号： STM32F103C8T6 ✓ 量产中
有现货
1-3 个工作日内发货
2.0 V to 3.6 V Vdss
LQFP-48 Package
72 MHz Speed
64 KB Memory
低至 $1.02
USD / 件
最小起订量： 1 |
价格更新于： 2026-08-17
批量定价
| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.93 | $1.93 |
| 10 | $1.33 | $13.30 |
| 100 | $1.18 | $118.00 |
| 500 | $1.11 | $555.00 |
| 1,000 | $1.08 | $1,080.00 |
| 1,500 | $1.02 | $1,530.00 |
ℹ️ 所有价格均以 USD 计价
STM32F103C8T6 概述
STM32F103C8T6 是 STMicroelectronics 推出的 32 位 ARM Cortex-M3 微控制器，具有 64KB Flash、20KB SRAM，工作频率高达 72 MHz。它包含多种通信接口（USART、SPI、I2C、USB、CAN）和 12 位 ADC，适用于工业控制、电机驱动和物联网应用。采用 LQFP-48 封装。
直接替换替代料： STM32F103C8T6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32F103C8T6 （相同外形与封装尺寸） ——差异在于 Package, Core, Flash Memory, Operating Temperature, SRAM.
Silicon Labs
Package: 64-TQFP (10x10 mm)
Core: ARM Cortex-M3 (32-bit)
Operating Temperature: -40 C to +85 C
对比 STM32F103C8T6 →
STMicroelectronics
Package: LQFP-48 (7x7 mm)
Core: ARM Cortex-M3 32-bit RISC
Flash Memory: 128 KB
对比 STM32F103C8T6 →
快速对比工具——选择替代料号进行并排对比：
STM32F103CBT6
STMicroelectronics
ARM Cortex-M3 32-bit RISC · 72 MHz · 128 KB · 20 KB · 2.0 V to 3.6 V · 37 (5 V tolerant) · 2x 12-bit, up to 10 channels · 1x 12-bit
✓ 有现货
$3.2 / 个
查看数据手册 →GD32F103C8T6
GigaDevice, compatible
📋 参考替代料（不在目录中）
STM32F103R8T6
STMicroelectronics
ARM Cortex-M3 32-bit · 72 MHz · 64 KB (64K x 8) · 20 KB · 2.0 V to 3.6 V · 51 I/O · 2 x 12-bit, 1 us conversion time, 16 channels · 3 x general-purpose 16-bit + 1 advanced PWM timer
✓ 有现货
$2.9 / 个
查看数据手册 →APM32F103C8T6
Geehy, compatible
📋 参考替代料（不在目录中）
STM32F030C8T6
STMicroelectronics
ARM Cortex-M0 32-bit · 48 MHz · 64 KB · 8 KB · 2.4 V to 3.6 V · 12-bit · up to 16 external channels · 5 timers including 1 advanced-control timer
✓ 有现货
$0.98 / 个
查看数据手册 →STM32F103C8T6 最大额定值与电气特性
| Core | ARM Cortex-M3 |
| Max Clock Frequency | 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| 电源电压 | 2.0 V to 3.6 V |
| 工作温度 | -40C to +85C |
| 封装 | LQFP-48 |
| 安装类型 | Surface Mount |
| Number of I/Os | 37 |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 10 |
| Timer Modules | 3 general-purpose, 1 advanced |
| Communication Interfaces | USART (2), SPI (2), I2C (2), USB 2.0 FS, CAN 2.0B |
| DMA Channels | 7 |
| Debug Interface | SWD, JTAG |
| RoHS 状态 | Compliant |
STM32F103C8T6 引脚配置
| 引脚 1 | VBAT — Battery backup for RTC |
| 引脚 2 | PC13 — GPIO, also used for RTC tamper |
| 引脚 3 | PC14 — GPIO, also used for OSC32_IN |
| 引脚 4 | PC15 — GPIO, also used for OSC32_OUT |
| 引脚 5 | OSC_IN — Main oscillator input |
| 引脚 6 | OSC_OUT — Main oscillator output |
| 引脚 7 | NRST — Reset (active low) |
| 引脚 8 | VSSA — Analog ground |
| 引脚 9 | VDDA — Analog power supply |
| 引脚 10 | PA0 — GPIO, ADC12_IN0, TIM2_CH1 |
| 引脚 11 | PA1 — GPIO, ADC12_IN1, TIM2_CH2 |
| 引脚 12 | PA2 — GPIO, ADC12_IN2, TIM2_CH3 |
| 引脚 13 | PA3 — GPIO, ADC12_IN3, TIM2_CH4 |
| 引脚 14 | PA4 — GPIO, SPI1_NSS, DAC_OUT1 |
| 引脚 15 | PA5 — GPIO, SPI1_SCK, DAC_OUT2 |
| 引脚 16 | PA6 — GPIO, SPI1_MISO, TIM3_CH1 |
| 引脚 17 | PA7 — GPIO, SPI1_MOSI, TIM3_CH2 |
| 引脚 18 | PB0 — GPIO, TIM3_CH3, ADC12_IN8 |
| 引脚 19 | PB1 — GPIO, TIM3_CH4, ADC12_IN9 |
| 引脚 20 | PB2 — GPIO, BOOT1 |
| 引脚 21 | PB10 — GPIO, I2C2_SCL, USART3_TX |
| 引脚 22 | PB11 — GPIO, I2C2_SDA, USART3_RX |
| 引脚 23 | PB12 — GPIO, SPI2_NSS, I2C2_SMBA |
| 引脚 24 | PB13 — GPIO, SPI2_SCK, USART3_CTS |
| 引脚 25 | PB14 — GPIO, SPI2_MISO, USART3_RTS |
| 引脚 26 | PB15 — GPIO, SPI2_MOSI, TIM1_CH3N |
| 引脚 27 | PC13 — GPIO, RTC_AF1 |
| 引脚 28 | PC14 — GPIO, OSC32_IN |
| 引脚 29 | PC15 — GPIO, OSC32_OUT |
| 引脚 30 | VSS_1 — Ground |
| 引脚 31 | VDD_1 — Power supply |
| 引脚 32 | VDDA — Analog power supply |
| 引脚 33 | VSSA — Analog ground |
| 引脚 34 | PA8 — GPIO, TIM1_CH1, MCO |
| 引脚 35 | PA9 — GPIO, TIM1_CH2, USART1_TX |
| 引脚 36 | PA10 — GPIO, TIM1_CH3, USART1_RX |
| 引脚 37 | PA11 — GPIO, USART1_CTS, USB_DM |
| 引脚 38 | PA12 — GPIO, USART1_RTS, USB_DP |
| 引脚 39 | PA13 — GPIO, SWDIO |
| 引脚 40 | PA14 — GPIO, SWCLK |
| 引脚 41 | PA15 — GPIO, JTDI |
| 引脚 42 | PB3 — GPIO, JTDO |
| 引脚 43 | PB4 — GPIO, NJTRST |
| 引脚 44 | PB5 — GPIO, I2C1_SMBA |
| 引脚 45 | PB6 — GPIO, I2C1_SCL, TIM4_CH1 |
| 引脚 46 | PB7 — GPIO, I2C1_SDA, TIM4_CH2 |
| 引脚 47 | BOOT0 — Boot mode selection |
| 引脚 48 | VDD_2 — Power supply |
典型应用
STM32F103C8T6 适用于 6 应用s: Industrial Control, IoT Gateway, Medical Monitoring Device, Automotive Body Control, Consumer Electronics, Data Logging System.
Industrial Control
Used in PLCs, motor drives, and automation controllers.
IoT Gateway
Acts as a central hub for sensor data collection and communication.
Medical Monitoring Device
Powers portable health monitors with low-power operation.
Automotive Body Control
Manages lighting, wipers, and window controls.
Consumer Electronics
Embedded in smart home devices, drones, and toys.
Data Logging System
Records sensor data to SD card or transmits via USB.
What is the maximum clock speed of STM32F103C8T6?
The maximum clock speed is 72 MHz using an external crystal or internal PLL.
How much Flash and SRAM does STM32F103C8T6 have?
It has 64 KB of Flash memory and 20 KB of SRAM.
What is the supply voltage range for STM32F103C8T6?
The supply voltage range is 2.0V to 3.6V.
Does STM32F103C8T6 have a built-in USB interface?
Yes, it has a USB 2.0 Full-Speed interface.
What is the package type of STM32F103C8T6?
It comes in an LQFP-48 package with a 7x7 mm body.
Can STM32F103C8T6 be programmed using Arduino IDE?
Yes, with the STM32duino core or STM32CubeProgrammer, it can be programmed via Arduino IDE.
What is the difference between STM32F103C8T6 and STM32F103CBT6?
The STM32F103CBT6 has 128 KB Flash, while the C8T6 has 64 KB Flash. Both have the same pinout.
Does STM32F103C8T6 support CAN bus?
Yes, it has one CAN 2.0B interface.
What is the maximum ADC sampling rate of STM32F103C8T6?
The 12-bit ADC can achieve up to 1 MHz sampling rate.
Is STM32F103C8T6 suitable for motor control applications?
Yes, it has an advanced timer for PWM generation and is commonly used in motor drives.
What development tools are compatible with STM32F103C8T6?
It is supported by STM32CubeIDE, Keil MDK, IAR EWARM, and GCC-based toolchains.
Does STM32F103C8T6 have a built-in bootloader?
Yes, it has a system memory bootloader that supports USART and USB DFU.
What is the power consumption of STM32F103C8T6 in run mode?
Typical run mode current is about 50 mA at 72 MHz.
Can STM32F103C8T6 operate at 3.3V logic levels?
Yes, all I/O pins are 3.3V tolerant, and some are 5V tolerant.
What is the operating temperature range of STM32F103C8T6?
The industrial temperature range is -40C to +85C.
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