STM32F107VCT6 - 256KB Flash ARM Cortex-M3 MCU | STMicroelectronics
MPN: STM32F107VCT6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.2 | $112.00 |
| 100 | $9.8 | $980.00 |
| 500 | $8.9 | $4,450.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for STM32F107VCT6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32F107VBT6
β Drop-Inπ Reference alternative (not in catalog)
STM32F107VCT6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M3 |
| Max Clock Frequency | 72 MHz |
| Flash Memory | 256 KB |
| SRAM | 64 KB |
| Supply Voltage Range | 2.0 V to 3.6 V |
| Operating Temperature Range | -40Β°C to +85Β°C |
| Package | LQFP-100 (14x14 mm) |
| Mounting Type | Surface Mount |
| Number of I/O Pins | 80 |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 16 |
| Ethernet MAC | 10/100 Mbps with dedicated DMA |
| USB | USB 2.0 OTG Full-Speed |
| CAN | 2x CAN 2.0B |
| USART | 5x USART |
| SPI | 3x SPI |
| I2C | 2x I2C |
| Timers | 10x 16-bit, 1x 32-bit |
| DMA | 12-channel DMA |
| Debug Interface | JTAG, SWD |
| RoHS Status | Compliant |
STM32F107VCT6 Pin Configuration
| Pin 1 | PE2 β GPIO or alternate function |
| Pin 2 | PE3 β GPIO or alternate function |
| Pin 3 | PE4 β GPIO or alternate function |
| Pin 4 | PE5 β GPIO or alternate function |
| Pin 5 | PE6 β GPIO or alternate function |
| Pin 6 | VBAT β Battery backup supply |
| Pin 7 | PC13 β GPIO or RTC output |
| Pin 8 | PC14 β GPIO or OSC32_IN |
| Pin 9 | PC15 β GPIO or OSC32_OUT |
| Pin 10 | PF0 β GPIO or OSC_IN |
| Pin 11 | PF1 β GPIO or OSC_OUT |
| Pin 12 | NRST β Reset (active low) |
| Pin 13 | PC0 β GPIO or ADC input |
| Pin 14 | PC1 β GPIO or ADC input |
| Pin 15 | PC2 β GPIO or ADC input |
| Pin 16 | PC3 β GPIO or ADC input |
| Pin 17 | VDD β Digital power supply |
| Pin 18 | VSS β Digital ground |
| Pin 19 | PC4 β GPIO or ADC input |
| Pin 20 | PC5 β GPIO or ADC input |
| Pin 21 | PB0 β GPIO or ADC input |
| Pin 22 | PB1 β GPIO or ADC input |
| Pin 23 | PB2 β GPIO or BOOT1 |
| Pin 24 | PB10 β GPIO or I2C2_SCL |
| Pin 25 | PB11 β GPIO or I2C2_SDA |
| Pin 26 | VSS β Digital ground |
| Pin 27 | VDD β Digital power supply |
| Pin 28 | PB12 β GPIO or SPI2_NSS |
| Pin 29 | PB13 β GPIO or SPI2_SCK |
| Pin 30 | PB14 β GPIO or SPI2_MISO |
| Pin 31 | PB15 β GPIO or SPI2_MOSI |
| Pin 32 | PD8 β GPIO or USART3_TX |
| Pin 33 | PD9 β GPIO or USART3_RX |
| Pin 34 | PD10 β GPIO or USART3_CK |
| Pin 35 | PD11 β GPIO or USART3_CTS |
| Pin 36 | PD12 β GPIO or USART3_RTS |
| Pin 37 | PD13 β GPIO |
| Pin 38 | PD14 β GPIO |
| Pin 39 | PD15 β GPIO |
| Pin 40 | PC6 β GPIO or I2S2_MCK |
| Pin 41 | PC7 β GPIO or I2S2_MCK |
| Pin 42 | PC8 β GPIO or SDIO_D0 |
| Pin 43 | PC9 β GPIO or SDIO_D1 |
| Pin 44 | PA8 β GPIO or USB_OTG_FS_SOF |
| Pin 45 | PA9 β GPIO or USB_OTG_FS_VBUS |
| Pin 46 | PA10 β GPIO or USB_OTG_FS_ID |
| Pin 47 | PA11 β GPIO or USB_OTG_FS_DM |
| Pin 48 | PA12 β GPIO or USB_OTG_FS_DP |
| Pin 49 | PA13 β GPIO or SWDIO |
| Pin 50 | PA14 β GPIO or SWCLK |
| Pin 51 | PA15 β GPIO or JTDI |
| Pin 52 | PC10 β GPIO or SDIO_D2 |
| Pin 53 | PC11 β GPIO or SDIO_D3 |
| Pin 54 | PC12 β GPIO or SDIO_CK |
| Pin 55 | PD0 β GPIO or CAN1_RX |
| Pin 56 | PD1 β GPIO or CAN1_TX |
| Pin 57 | PD2 β GPIO or SDIO_CMD |
| Pin 58 | PD3 β GPIO or USART2_CTS |
| Pin 59 | PD4 β GPIO or USART2_RTS |
| Pin 60 | PD5 β GPIO or USART2_TX |
| Pin 61 | PD6 β GPIO or USART2_RX |
| Pin 62 | PD7 β GPIO or USART2_CK |
| Pin 63 | VDD β Digital power supply |
| Pin 64 | VSS β Digital ground |
| Pin 65 | PE7 β GPIO or TIM1_ETR |
| Pin 66 | PE8 β GPIO or TIM1_CH1N |
| Pin 67 | PE9 β GPIO or TIM1_CH1 |
| Pin 68 | PE10 β GPIO or TIM1_CH2N |
| Pin 69 | PE11 β GPIO or TIM1_CH2 |
| Pin 70 | PE12 β GPIO or TIM1_CH3N |
| Pin 71 | PE13 β GPIO or TIM1_CH3 |
| Pin 72 | PE14 β GPIO or TIM1_CH4 |
| Pin 73 | PE15 β GPIO or TIM1_CH4N |
| Pin 74 | PB3 β GPIO or JTDO |
| Pin 75 | PB4 β GPIO or NJTRST |
| Pin 76 | PB5 β GPIO or I2C1_SMBA |
| Pin 77 | PB6 β GPIO or I2C1_SCL |
| Pin 78 | PB7 β GPIO or I2C1_SDA |
| Pin 79 | BOOT0 β Boot mode selection |
| Pin 80 | PB8 β GPIO or CAN2_RX |
| Pin 81 | PB9 β GPIO or CAN2_TX |
| Pin 82 | PE0 β GPIO or TIM4_ETR |
| Pin 83 | PE1 β GPIO or TIM4_CH1 |
| Pin 84 | VSS β Digital ground |
| Pin 85 | VDD β Digital power supply |
| Pin 86 | PA0 β GPIO or ADC input |
| Pin 87 | PA1 β GPIO or ADC input |
| Pin 88 | PA2 β GPIO or USART2_TX |
| Pin 89 | PA3 β GPIO or USART2_RX |
| Pin 90 | PA4 β GPIO or SPI1_NSS |
| Pin 91 | PA5 β GPIO or SPI1_SCK |
| Pin 92 | PA6 β GPIO or SPI1_MISO |
| Pin 93 | PA7 β GPIO or SPI1_MOSI |
| Pin 94 | PA8 β GPIO or USB_OTG_FS_SOF |
| Pin 95 | PA9 β GPIO or USB_OTG_FS_VBUS |
| Pin 96 | PA10 β GPIO or USB_OTG_FS_ID |
| Pin 97 | PA11 β GPIO or USB_OTG_FS_DM |
| Pin 98 | PA12 β GPIO or USB_OTG_FS_DP |
| Pin 99 | PA13 β GPIO or SWDIO |
| Pin 100 | PA14 β GPIO or SWCLK |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32F107VCT6 is suitable for 6 applications: Industrial Control Systems, Ethernet Gateways, CAN Bus Nodes, USB Peripherals, Smart Home Devices, Test and Measurement Equipment.
Industrial Control Systems
The STM32F107VCT6 is ideal for industrial control systems due to its robust communication interfaces (CAN, Ethernet, USART) and real-time processing capabilities. Its 72 MHz Cortex-M3 core handles complex control algorithms, while the multiple timers and ADC channels enable precise motor control and sensor interfacing. The device's wide operating temperature range (-40Β°C to +85Β°C) ensures reliability in harsh industrial environments. In a typical PLC or motor drive, the MCU manages I/O, executes PID loops, and communicates with a central controller via Ethernet or CAN. The dedicated DMA channels offload data transfer, improving system responsiveness. Designers can leverage the low-power modes to reduce energy consumption in battery-backed or energy-harvesting industrial sensors.
Recommended
Ethernet Gateways
The STM32F107VCT6 is a perfect fit for Ethernet gateways, thanks to its integrated 10/100 Mbps Ethernet MAC with dedicated DMA. This allows the MCU to handle high-throughput network traffic without CPU intervention, enabling efficient data routing between Ethernet, USB, and serial interfaces. In a typical gateway application, the MCU connects to an external PHY (e.g., LAN8720A) and runs a lightweight TCP/IP stack (such as lwIP) to manage network protocols. The USB OTG port can connect to external storage or a host PC, while the USARTs and CAN interface link to legacy industrial devices. The 256 KB Flash provides ample space for protocol stacks and application code. Designers should ensure proper PCB layout for the Ethernet differential pairs and provide a 25 MHz crystal for the MAC.
Recommended
CAN Bus Nodes
The STM32F107VCT6 is well-suited for CAN bus nodes in automotive and industrial networks, featuring two CAN 2.0B controllers. These controllers support standard and extended frames, with a 3-message mailbox for efficient message handling. In a typical CAN node, the MCU interfaces with a CAN transceiver (e.g., SN65HVD230) to communicate on the bus. The 72 MHz core can handle real-time control tasks, such as reading sensors and actuating outputs, while the CAN peripheral manages message filtering and error handling. The device's robust design and wide temperature range make it reliable for under-hood automotive applications. Designers should implement proper termination resistors and bus protection to ensure signal integrity.
Recommended
USB Peripherals
The STM32F107VCT6 includes a USB 2.0 OTG full-speed controller, making it ideal for USB peripherals such as data loggers, virtual COM ports, and mass storage devices. The OTG capability allows the device to act as either a host or a peripheral, enabling direct connection to USB flash drives or other devices. In a typical USB peripheral, the MCU enumerates with the host and transfers data using the built-in DMA. The 64 KB SRAM provides sufficient buffering for high-throughput transfers. Designers should pay attention to USB signal routing and provide proper ESD protection on the USB lines. The device's low power consumption in suspend mode is beneficial for bus-powered devices.
Recommended
Smart Home Devices
The STM32F107VCT6 is a versatile choice for smart home devices, offering multiple communication interfaces (Ethernet, USB, CAN, UART, SPI, I2C) to connect with various sensors and actuators. Its 72 MHz Cortex-M3 core can handle complex automation logic, while the low-power modes enable battery-operated devices. In a typical smart home hub, the MCU aggregates data from Zigbee, Z-Wave, or Wi-Fi modules via UART/SPI and communicates with a cloud server via Ethernet. The 256 KB Flash allows for a rich feature set, including local rule engines and OTA updates. Designers can leverage the ADC to read analog sensors and the timers to generate PWM for lighting control.
Recommended
Test and Measurement Equipment
The STM32F107VCT6 is suitable for test and measurement equipment, such as data loggers, signal generators, and multimeters, due to its high-speed ADC (12-bit, up to 1 Msps) and precise timers. The 72 MHz core can perform real-time signal processing, while the multiple communication interfaces allow data transfer to a PC or display. In a typical data logger, the MCU samples analog signals via the ADC, stores data in SRAM or external memory, and streams it over USB or Ethernet. The device's low power consumption is advantageous for portable instruments. Designers should use a stable voltage reference for the ADC and implement proper anti-aliasing filters on analog inputs.
Recommended
Recommended Products Summary
Engineering reference data for STM32F107VCT6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F107VBT6 | STM32F107RCT6 | STM32F207VCT6 | LPC1768FBD100 |
|---|---|---|---|---|---|
| Package | LQFP-100 | LQFP-100 (same) | LQFP-64 (different) | LQFP-100 (different pinout) | LQFP-100 (different pinout) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core | ARM Cortex-M3 @ 72 MHz | ARM Cortex-M3 @ 72 MHz | ARM Cortex-M3 @ 72 MHz | ARM Cortex-M3 @ 120 MHz | ARM Cortex-M3 @ 100 MHz |
| Flash Memory | 256 KB | 128 KB | 256 KB | 256 KB | 512 KB |
| SRAM | 64 KB | 64 KB | 48 KB | 128 KB | 64 KB |
| Ethernet MAC | Yes (10/100 Mbps) | Yes | Yes | Yes | Yes |
| USB OTG | Yes (Full-Speed) | Yes | Yes | Yes (High-Speed) | Yes (Full-Speed) |
| CAN | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B |
| Supply Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 1.8V to 3.6V | 2.4V to 3.6V |
Key Differentiators
- Integrated Ethernet MAC with dedicated DMA (vs STM32F103VCT6)
- USB OTG full-speed support (vs STM32F107VBT6)
- Dual CAN 2.0B controllers (vs LPC1768FBD100)
Design Notes
Ensure all VDD and VDDA pins are connected to a clean 3.3V supply with 100nF decoupling capacitors placed as close to each pin as possible. Add a 4.7uF bulk capacitor on the main supply. For VDDA, use a ferrite bead to isolate analog noise. The VBAT pin should be connected to a backup battery or tied to VDD if not used.
For Ethernet, route the TX and RX differential pairs with controlled impedance (100 ohms) and keep them away from high-speed digital traces. Place the 25 MHz crystal for the Ethernet MAC close to the OSC pins with load capacitors as specified in the datasheet. For USB, route the D+/D- lines as a differential pair with 90-ohm impedance and add ESD protection diodes.
Do not leave the BOOT0 pin floating; tie it to ground through a 10k resistor for normal boot from Flash. Ensure the NRST pin has a 100nF capacitor to ground for reliable reset. When using the ADC, provide a stable reference voltage on VREF+ and filter the VDDA supply to minimize noise. Also, verify that the external crystal for the main clock (HSE) is properly loaded to avoid startup issues.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive use, consider STM32F107VCT6TR or other automotive-grade variants.
