STMicroelectronics STM32L053R8T6

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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, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Number of I/O 51
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V
Data Converters A/D 16x12b; D/A 1x12b
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 STM32L053R8T6 is an ultra-low-power MCU from STMicroelectronics, featuring an ARM Cortex-M0+ core at 32MHz. It offers 64KB flash and 8KB RAM in a 64-LQFP package. With an integrated LCD driver, brown-out detection, DMA, I2S, PWM, and WDT, it is optimized for battery-operated devices with segment displays.

  • Integrated LCD driver: Eliminates external display driver ICs.
  • Ultra-low power: 1.65V operation for years of battery life.
  • Compact 64-LQFP: Good I/O count for control applications.
  • Reliable operation: Brown-out detection and WDT ensure stability.

Segment LCD Displays

The integrated LCD controller drives glass displays directly, reducing BOM cost in clocks and meters.

Battery-Powered Thermostats

1.65V operation and LCD support enable long-life wall-mounted temperature controllers.

Portable Medical Monitors

Low power and 64KB flash support compact glucose meters with LCD readouts.

Smart Home Panels

The LCD interface and PWM allow interactive control panels for lighting and security.

Industrial Counters

With WDT and brown-out detection, it reliably counts production units in harsh environments.

Wearable Watches

Its low power and LCD driver make it suitable for smartwatches with basic notifications.

Q: What is the core and speed?
A: ARM Cortex-M0+ at 32MHz.
Q: What is the flash size?
A: 64KB flash and 8KB RAM.
Q: What is the supply voltage?
A: 1.65V to 3.6V.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD driver for segment displays.
Q: What package is this?
A: 64-LQFP package.
Base Product Number : STM32L053R8T6
32-bit 32MHz 64KB Flash 8KB RAM ARM Cortex-M0+ Display DMA I2S LCD Driver Low Power LQFP-64 MCU PWM WDT Wearable
Q: What is the core and speed?
A: ARM Cortex-M0+ at 32MHz.
Q: What is the flash size?
A: 64KB flash and 8KB RAM.
Q: What is the supply voltage?
A: 1.65V to 3.6V.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD driver for segment displays.
Q: What package is this?
A: 64-LQFP package.