Overview
The STM32L151C6T6ATR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It features the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for applications requiring low power consumption and high performance. It includes a range of peripherals and interfaces, such as USB, USARTs, SPIs, I2Cs, and advanced analog components like a 12-bit ADC and 2 DACs. The device also supports touch sensing functionality with up to 20 capacitive sensing channels.
Key Specifications
| Specification | Value |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Operating Frequency | Up to 32 MHz |
| Supply Voltage | 1.65 V to 3.6 V |
| Operating Temperature | -40°C to +85°C (up to +105°C in low power dissipation state) |
| Flash Memory | Up to 128 Kbytes |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Package | LQFP 48 (7x7x1.4 mm) |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC (up to 24 channels), 2 DACs, 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0, 3 USARTs, 2 SPIs, 2 I2Cs |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers, 2 watchdog timers |
| Capacitive Sensing Channels | Up to 20 channels |
Key Features
- Ultra-low-power platform: Offers various power-saving modes including Standby, Stop, and Low-power run modes.
- High-performance core: ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency.
- Advanced peripherals: Includes 12-bit ADC, 2 DACs, 2 ultra-low-power comparators, and extensive I/Os.
- Communication interfaces: Supports USB 2.0, USARTs, SPIs, and I2Cs.
- Touch sensing: Up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Real-time clock and backup registers: Maintains time and data in Standby mode.
- Integrated LCD controller: Except for STM32L151x6/8/B devices, supports up to 8 multiplexed LCDs.
- Development support: Includes pre-programmed bootloader, serial wire debug, JTAG, and trace support.
Applications
- Industrial automation: Suitable for low-power industrial control systems.
- Consumer electronics: Ideal for battery-powered devices requiring high performance and low power consumption.
- Medical devices: Can be used in medical equipment that requires precise analog measurements and low power usage.
- IoT devices: Perfect for Internet of Things applications needing efficient power management and multiple communication interfaces.
- Automotive systems: Applicable in automotive electronics that demand robust performance and low power dissipation.
Q & A
- What is the core architecture of the STM32L151C6T6ATR?
The core architecture is based on the ARM® Cortex®-M3 32-bit RISC CPU.
- What is the operating voltage range of the STM32L151C6T6ATR?
The operating voltage range is from 1.65 V to 3.6 V.
- What are the key power-saving modes available in the STM32L151C6T6ATR?
The device offers Standby, Stop, and Low-power run modes among others.
- How much flash memory does the STM32L151C6T6ATR have?
The device has up to 128 Kbytes of flash memory.
- What communication interfaces are supported by the STM32L151C6T6ATR?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151C6T6ATR support touch sensing?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the maximum operating temperature of the STM32L151C6T6ATR?
The maximum operating temperature is +85°C (up to +105°C in low power dissipation state).
- Does the STM32L151C6T6ATR have an integrated LCD controller?
No, the STM32L151x6/8/B devices do not have an integrated LCD controller.
- What development tools are supported by the STM32L151C6T6ATR?
The device supports serial wire debug, JTAG, trace, and a pre-programmed bootloader.
- What package options are available for the STM32L151C6T6ATR?
The device is available in LQFP 48 (7x7x1.4 mm) and UFQFPN 48 (7x7x0.55 mm) packages.
