STMicroelectronics STM32L073RBT6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L0
Packaging Tray |
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit Single-Core
Speed 32MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Number of I/O 51
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size 6K x 8
RAM Size 20K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L073RBT6 from STMicroelectronics is an ultra-low-power MCU featuring an ARM Cortex-M0+ core at 32 MHz. It offers 128 KB Flash and 20 KB SRAM, with a supply range of 1.8V to 3.6V. This device integrates an LCD controller, DMA, I2S, PWM, and brown-out detection. The 64-LQFP package is perfect for metering, medical, and industrial applications requiring low energy consumption and direct display driving.

  • Integrated LCD driver: Eliminates external display driver ICs, reducing BOM cost and PCB area.
  • Ultra-low-power design: Optimized for battery-powered devices requiring years of operation.
  • Balanced memory: 128 KB Flash and 20 KB RAM suit mid-range applications.
  • Wide I/O count: 64-pin package provides ample GPIO for user interfaces.
  • Reliable operation: Brown-out detection and watchdog ensure system stability.

Smart Meters

The integrated LCD controller drives display directly, while 32 MHz core handles metering algorithms and communication protocols.

Wearable Health Monitors

Low-power Cortex-M0+ and 1.8V operation enable continuous vital-sign monitoring with long battery life.

Industrial HMI Panels

64-LQFP provides enough I/O for keypads and LEDs, with LCD for status display in factory equipment.

Building Automation

I2S and DMA support audio alerts in fire alarm panels, while 128 KB Flash stores voice prompts.

Portable Instrumentation

20 KB RAM allows data logging of environmental sensors, with LCD showing real-time readings.

Medical Infusion Pumps

Reliable operation with brown-out detection and 32 MHz speed ensures precise motor control and user interface updates.

Q: What is the core and speed of STM32L073RBT6?
A: It uses an ARM Cortex-M0+ core at 32 MHz.
Q: What is the memory configuration?
A: It has 128 KB Flash and 20 KB SRAM.
Q: What is the voltage range?
A: It operates from 1.8V to 3.6V.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD driver (up to 8x40 segments).
Q: What package is this?
A: It is a 64-pin LQFP package.
Base Product Number : STM32L073RB
128KB Flash 20KB RAM 32MHz ARM Cortex-M0+ LCD low power LQFP-64 smart meter STM32L073RBT6 STMicroelectronics
Q: What is the core and speed of STM32L073RBT6?
A: It uses an ARM Cortex-M0+ core at 32 MHz.
Q: What is the memory configuration?
A: It has 128 KB Flash and 20 KB SRAM.
Q: What is the voltage range?
A: It operates from 1.8V to 3.6V.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD driver (up to 8x40 segments).
Q: What package is this?
A: It is a 64-pin LQFP package.