Item specifics
Description
STM32L010C6T6 Product Overview
STM32L010C6T6 is a Cortex-M0+ MCU at 32 MHz, LQFP-48. 32 KB Flash, 8 KB SRAM, 256B EEPROM, 12-bit ADC (10 ch), LP timers, RTC, 2×USART, 1×SPI, 1×I2C. Up to 43 x 5 V-tolerant I/Os. 1.8–3.6 V, -40–85 °C. As a value-line member of the STM32L0 series, it delivers 32-bit performance at exceptionally low power and cost, optimized for battery-powered IoT nodes and portable applications.
STM32L010C6T6 Core Features
Core: Cortex-M0+ 32 MHz, low-power design
Memory: 32 KB Flash, 8 KB SRAM, 256B EEPROM
Analog: 12-bit ADC (10 ch)
Connectivity: 2×USART, 1×SPI, 1×I2C
Timers: LP Timer, GP Timers, RTC
I/Os: 43 (5 V-tolerant)
Package: LQFP-48
Temperature Range: -40°C to 85°C
STM32L010C6T6 Applications
IoT Sensor Nodes: Battery-powered environmental sensors, wireless modules
Portable Devices: Wearables, portable medical devices
Industrial Metering: Water, gas, and electricity meters
Consumer Electronics: Remote controls, e-labels, smart cards
Energy Harvesting Applications: Self-powered systems using energy harvesting
STM32L010C6T6 Key Advantages
Ultra-Low Power: Multiple low-power modes extend battery life
Integrated EEPROM: Eliminates external storage for data logging
32-bit Performance, 8-bit Price: Enjoy the ARM ecosystem at a very low cost
5 V-tolerant I/Os: Enhanced robustness, simplified level shifting
Full Ecosystem Compatibility: Easy development with STM32CubeIDE/HAL/LL libraries
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FAQ
1. What is STM32L010C6T6 and how does it differ from STM32L010K4T6?
STM32L010C6T6 is an ultra‑low‑power 32‑bit MCU from STMicroelectronics' STM32L0 series, built around an Arm® Cortex®‑M0+ core in an LQFP‑48 package. Running at 32 MHz, it provides 32 KB Flash and 8 KB SRAM, along with a 12‑bit ADC and a low‑power UART. Compared to the STM32L010K4T6, the key upgrades are larger Flash (32 KB vs. 16 KB), larger SRAM (8 KB vs. 2 KB), more I/Os (37 vs. 25), and a move from a 32‑pin to a 48‑pin package. This enables more complex firmware, more sensor connections, while retaining the exceptional cost advantage of the L010 series.
2. What are the key specifications of STM32L010C6T6?
Core: Arm® Cortex®‑M0+, up to 32 MHz
Memory: 32 KB Flash, 8 KB SRAM (no hardware EEPROM)
Operating Voltage: 1.8 V to 3.6 V
Temperature Range: -40 °C to +85 °C (industrial grade)
I/O Count: up to 37
Package: LQFP‑48 (7 mm × 7 mm)
3. Is the LQFP‑48 package easy to solder? What are its advantages over smaller packages in the same series?
Very easy. The LQFP‑48 has all pins exposed with a 0.5 mm pitch, allowing drag‑soldering with a standard iron and flux—no hot‑air station required. Compared to the LQFP‑32 or smaller TSSOP‑20 packages, it offers more I/Os and greater routing flexibility while remaining highly hand‑solderable. The 7 mm × 7 mm size strikes an excellent balance between compactness and ease of prototyping and small‑batch production.
4. Why doesn't the STM32L010C6T6 have a hardware EEPROM? How can I store configuration data if needed?
The L010 series omits the hardware EEPROM to achieve maximum cost efficiency. If your application requires storing small amounts of non‑volatile data (e.g., device IDs, calibration values), you can emulate EEPROM in the internal Flash using the official ST EEPROM emulation library, which implements wear‑leveling for reliable operation. For higher write endurance or larger data sizes, an external low‑cost SPI EEPROM can be added.
5. What kind of applications can the 32 KB Flash and 8 KB SRAM support? Is it sufficient?
This memory configuration is a significant step up from the 16 KB/2 KB of the L010K4T6. The 32 KB Flash can accommodate a lightweight RTOS (such as FreeRTOS), multiple sensor drivers, and basic communication stacks (UART, I²C, SPI). The 8 KB SRAM allows more flexible task‑stack sizing and moderate data buffering, making it capable of handling relatively complex logic such as multi‑sensor fusion, state‑machine control, or wireless module management. If larger storage is needed, upgrade to the STM32L051C8T6 (64 KB Flash, 8 KB SRAM).
6. How does it perform in terms of low power consumption? What are the typical currents across its modes?
Temperature Range: -40 °C to +85 °C
Ultra‑low‑power modes:
Standby mode: ~0.27 µA (no RTC)
Stop mode: ~0.4 µA (no RTC), ~0.8 µA with RTC
Run mode: ~88 µA/MHz
7. How many ADC channels can be brought out in the 48‑pin package? Does it support low‑power wake‑up?
In the LQFP‑48 package, up to 16 external ADC input channels are available, depending on the multiplexing configuration of other peripherals. The ADC supports a maximum sampling rate of 1.14 Msps with 12‑bit resolution, and includes a built‑in window comparator. It can wake the CPU via the analog watchdog while in low‑power modes, making it ideal for battery‑powered devices that periodically monitor analog signals.
8. What communication interfaces does the chip offer? Is there a low‑power UART?
The STM32L010C6T6 includes 1× SPI, 1× I²C, and 1× low‑power UART (LPUART). The LPUART can remain active in Stop mode and wake the MCU upon an address match or start‑bit detection, significantly reducing standby power. The 48‑pin package provides ample pin flexibility, allowing these interfaces to be easily connected to sensors, wireless modules, or debuggers with minimal pin conflicts.
9. What development tools are needed for the STM32L010C6T6? Is there a suitable evaluation board?
ST provides free STM32CubeMX and STM32CubeIDE, along with the STM32CubeL0 firmware library. Debugging and programming use an ST‑Link debugger. For rapid prototyping, the NUCLEO‑L031K6 (LQFP‑32) or NUCLEO‑L053R8 (LQFP‑64) boards are excellent starting points. Although they carry slightly different L0 series chips, the peripherals and core are highly compatible. After development, simply change the target device to STM32L010C6T6 in CubeMX and adjust the pin configuration to seamlessly port your code.
10. If I later need more storage or richer peripherals, what upgrade options are available?
If hardware EEPROM is required, you can upgrade to the pin‑compatible STM32L011C6T6 (32 KB Flash, adds 512‑byte EEPROM). For more Flash or additional communication interfaces, consider the STM32L051C8T6 (64 KB Flash, 8 KB SRAM, 2× SPI, 2× I²C). If a segment LCD driver or USB is needed, step up to the L052 or L053 series. All these migration paths stay within the STM32Cube ecosystem, allowing extensive code reuse—only peripheral configuration and pin assignments need to be adjusted in the tools.