Overview
The STM32L152C8U6A is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L151x6/8/B and STM32L152x6/8/B series. It features the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz (33.3 DMIPS). This device is designed for low-power applications, offering a comprehensive set of power-saving modes and advanced peripherals.
The microcontroller includes high-speed embedded memories such as up to 128 Kbytes of Flash memory with ECC, up to 32 Kbytes of RAM, and up to 4 Kbytes of true EEPROM with ECC. It also features a real-time clock, backup registers, and an integrated LCD controller (except for STM32L151x6/8/B devices) that can drive up to 8 multiplexed LCDs.
The STM32L152C8U6A supports various communication interfaces, including USB 2.0, three USARTs, two SPIs, and two I2Cs. It is available in UFQFPN 48 packages and operates within a temperature range of -40°C to 105°C.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Frequency | Up to 32 MHz (33.3 DMIPS) |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Power Supply | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40°C to 105°C |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Timers | 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | UFQFPN 48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power Run)
- High-performance ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- High-speed embedded memories: Flash, RAM, and EEPROM with ECC
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, ultra-low-power comparators
- Advanced communication interfaces: USB 2.0, USARTs, SPIs, I2Cs
- Integrated LCD controller for up to 8 multiplexed LCDs
- Up to 20 capacitive sensing channels for touch sensing functionality
- DMA controller with 7 channels and CRC calculation unit
- Ultra-safe, low-power BOR with 5 selectable thresholds and programmable voltage detector (PVD)
- Support for serial wire debug, JTAG, and trace
Applications
The STM32L152C8U6A is suitable for a wide range of low-power applications, including:
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power in standby modes
- IoT devices and smart sensors
- Energy metering and monitoring systems
Q & A
- What is the core architecture of the STM32L152C8U6A?
The core architecture is based on the ARM® Cortex®-M3 32-bit RISC CPU.
- What is the maximum frequency of the STM32L152C8U6A?
The maximum frequency is up to 32 MHz.
- What types of memory does the STM32L152C8U6A have?
The device includes up to 128 Kbytes of Flash memory, up to 32 Kbytes of RAM, and up to 4 Kbytes of true EEPROM, all with ECC.
- What are the power supply requirements for the STM32L152C8U6A?
The device operates from a 1.8 V to 3.6 V power supply (down to 1.65 V at power down).
- What is the temperature range for the STM32L152C8U6A?
The temperature range is -40°C to 105°C.
- Does the STM32L152C8U6A support touch sensing?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What communication interfaces are available on the STM32L152C8U6A?
The device includes USB 2.0, three USARTs, two SPIs, and two I2Cs.
- What is the package type for the STM32L152C8U6A?
The package type is UFQFPN 48 7x7x0.55 mm.
- Does the STM32L152C8U6A have an integrated LCD controller?
Yes, it has an integrated LCD controller that can drive up to 8 multiplexed LCDs.
- What are the power-saving modes available on the STM32L152C8U6A?
The device offers Standby, Stop, and Low-power Run modes.
