Overview
The STM32L151ZDT6 is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the Arm® Cortex®-M3 core. This device is part of the STM32L series, known for its high performance and low power consumption, making it suitable for a wide range of applications, particularly those requiring energy efficiency and reliability.
The STM32L151ZDT6 features advanced peripherals, a robust set of communication interfaces, and extensive memory options, including 384 KB of Flash memory, 48 KB of SRAM, and 12 KB of true EEPROM. The device supports various operating modes to optimize power consumption and performance.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M3 32-bit CPU |
| Program Memory | 384 KB Flash with ECC |
| SRAM | 48 KB |
| EEPROM | 12 KB with ECC |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40°C to 105°C |
| ADC Resolution | 12-bit, up to 40 channels |
| DAC Resolution | 12-bit, 2 channels with output buffers |
| Communication Interfaces | USB 2.0, 5x USARTs, up to 8x SPIs, 2x I2Cs, 1x SDIO |
| Timers | 11 timers: 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
| Package | LQFP144 (20 × 20 mm) |
Key Features
- Ultra-low-power platform with multiple power-saving modes: Standby, Stop, and Low-power run modes.
- Advanced reset and supply management: Low-power BOR (brownout reset) with 5 selectable thresholds, ultra-low-power POR/PDR, and programmable voltage detector (PVD).
- Rich analog peripherals: 3 operational amplifiers, 12-bit ADC up to 40 channels, 12-bit DAC with 2 channels, and 2 ultra-low-power comparators.
- Extensive communication interfaces: USB 2.0, USARTs, SPIs, I2Cs, and SDIO.
- DMA controller with 12 channels and memory interface controller supporting SRAM, PSRAM, and NOR Flash.
- LCD driver (except for some models) supporting up to 8x40 segments with contrast adjustment and blinking mode.
- Capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- CRC calculation unit and 96-bit unique ID.
Applications
- Industrial automation and control systems.
- Medical devices requiring low power consumption and high reliability.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, especially those needing robust and energy-efficient solutions.
- IoT devices and wireless sensor networks where power efficiency is crucial.
Q & A
- What is the core architecture of the STM32L151ZDT6?
The STM32L151ZDT6 is based on the Arm® Cortex®-M3 32-bit CPU.
- What is the power supply range for the STM32L151ZDT6?
The power supply range is from 1.65 V to 3.6 V.
- What are the key power-saving modes available on the STM32L151ZDT6?
The device features Standby, Stop, and Low-power run modes to optimize power consumption.
- How much Flash memory does the STM32L151ZDT6 have?
The device has 384 KB of Flash memory with ECC.
- What types of communication interfaces are supported by the STM32L151ZDT6?
The device supports USB 2.0, USARTs, SPIs, I2Cs, and SDIO interfaces.
- Does the STM32L151ZDT6 have an LCD driver?
Yes, it supports an LCD driver for up to 8x40 segments with contrast adjustment and blinking mode, except for some models.
- What is the temperature range for the STM32L151ZDT6?
The operating temperature range is from -40°C to 105°C.
- How many timers does the STM32L151ZDT6 have?
The device has 11 timers, including 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, and 2x watchdog timers.
- What package options are available for the STM32L151ZDT6?
The device is available in LQFP144 (20 × 20 mm) package among others.
- Does the STM32L151ZDT6 support capacitive sensing?
Yes, it supports up to 34 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
