Overview
The STM32L151ZCT6TR is a member of the STM32L151xC/C-A and STM32L152xC/C-A series of ultra-low-power microcontrollers from STMicroelectronics. These devices are based on the Arm® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. The STM32L151ZCT6TR integrates a range of features including high-performance embedded memories, extensive I/Os, and advanced communication interfaces, making it suitable for low-power applications.
The device operates from a 1.65 V to 3.6 V power supply and is available in a wide temperature range of -40°C to 105°C. It includes a comprehensive set of power-saving modes, such as standby, stop, and low-power run modes, which are essential for battery-powered devices and other low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M3 32-bit CPU, up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 105°C |
| Flash Memory | 256 Kbytes with ECC |
| RAM | 32 Kbytes |
| EEPROM | 8 Kbytes with ECC |
| Backup Register | 128 bytes |
| ADC | 12-bit, 1 Msps, up to 40 channels |
| DAC | 12-bit, 2 channels with output buffers |
| Operational Amplifiers | 2 |
| Comparators | 2 ultra-low-power comparators |
| Timers | 1x 32-bit, 6x 16-bit, 2x 16-bit basic timers, 2x watchdog timers |
| Communication Interfaces | 1x USB 2.0, 3x USARTs, up to 8x SPIs, 2x I2Cs |
| Capacitive Sensing Channels | Up to 23 channels |
| Package | LQFP 144 20x20x1.4 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
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and operational amplifiers
- Advanced communication interfaces such as USB 2.0, USARTs, SPIs, and I2Cs
- Up to 23 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except for STM32L151xC/C-A devices)
- Low-power, ultrasafe BOR (brownout reset) and programmable voltage detector (PVD)
- Pre-programmed bootloader and support for serial wire debug, JTAG, and trace
- Up to 116 fast I/Os (102 I/Os 5V tolerant) with 16 external interrupt vectors
Applications
- Battery-powered devices and other low-power applications
- Industrial control systems requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Medical devices that need ultra-low power modes
- Automotive systems where power efficiency is crucial
Q & A
- What is the core architecture of the STM32L151ZCT6TR?
The core architecture is based on the Arm® Cortex®-M3 32-bit RISC CPU.
- What is the power supply range for the STM32L151ZCT6TR?
The device operates from a 1.65 V to 3.6 V power supply.
- What are the temperature ranges for the STM32L151ZCT6TR?
The device operates in the -40°C to 105°C temperature range.
- How much flash memory does the STM32L151ZCT6TR have?
The device has 256 Kbytes of flash memory with ECC.
- What types of communication interfaces are available on the STM32L151ZCT6TR?
The device includes USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151ZCT6TR support capacitive sensing?
Yes, it supports up to 23 capacitive sensing channels.
- What are the power-saving modes available on the STM32L151ZCT6TR?
The device has standby, stop, and low-power run modes.
- Is the STM32L151ZCT6TR suitable for battery-powered devices?
Yes, it is designed for low-power applications, making it suitable for battery-powered devices.
- What is the package type for the STM32L151ZCT6TR?
The device is available in an LQFP 144 20x20x1.4 mm package.
- Does the STM32L151ZCT6TR have an integrated LCD controller?
No, the integrated LCD controller is not available on the STM32L151xC/C-A devices.
