STMicroelectronics STM32L4P5QEI6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Bulk | NULL
Core Processor ARM® Cortex®-M4F
Core Size 32-Bit Single-Core
Speed 120MHz
Connectivity CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG
Peripherals Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Number of I/O 110
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 320K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 16x12b SAR; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 132-UFBGA (7x7)
Package / Case 132-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32L4P5QEI6 is a high-performance ARM Cortex-M4F microcontroller with 512KB flash and 320KB SRAM. Operating at 120MHz with a 1.71V-3.6V supply, it integrates an LCD controller, DMA, PWM, and multiple safety features in a 132-UFBGA package, ideal for advanced IoT and medical devices.

  • High-speed FPU: 120MHz Cortex-M4F accelerates DSP and math-heavy tasks.
  • Large memory: 512KB flash and 320KB SRAM support complex applications.
  • Integrated LCD: Eliminates external display drivers, saving cost and space.
  • Ultra-low voltage: 1.71V operation extends battery life in portable devices.

Wearable Health Monitors

The Cortex-M4F with FPU at 120MHz processes ECG and PPG signals in real-time, while 320KB SRAM buffers data for BLE transmission.

Smart Home Displays

The integrated LCD controller drives segment displays directly, reducing external components, while DMA handles touch sensing without CPU load.

Industrial Process Transmitters

With 1.71V operation and 512KB flash, it runs complex calibration algorithms for pressure transmitters, ensuring 4-20mA loop accuracy.

Portable Medical Devices

The low-power modes and 320KB SRAM support continuous glucose monitors, storing days of data before wireless sync.

Battery-Powered IoT Gateways

Its 120MHz speed handles TLS encryption for secure cloud communication, while the LCD shows status and battery level.

Audio Processing Units

The FPU accelerates audio filters for voice-controlled assistants, with DMA moving samples efficiently between ADC and DAC.

Q: What core does the STM32L4P5QEI6 use?
A: It is based on the ARM Cortex-M4F core with FPU, running at 120MHz.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting low-power battery designs.
Q: How much flash and RAM are available?
A: It has 512KB flash and 320KB SRAM.
Q: Does it have a built-in LCD controller?
A: Yes, it includes an LCD driver, along with DMA, PWM, POR, BOD, and WDT.
Q: What package is used?
A: It comes in a 132-UFBGA package, ideal for compact, high-density PCBs.
Base Product Number : STM32L4P5
120MHz 32-bit 320KB SRAM 512KB Flash ARM Cortex-M4F DMA IoT LCD Medical UFBGA-132 Wearable
Q: What core does the STM32L4P5QEI6 use?
A: It is based on the ARM Cortex-M4F core with FPU, running at 120MHz.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting low-power battery designs.
Q: How much flash and RAM are available?
A: It has 512KB flash and 320KB SRAM.
Q: Does it have a built-in LCD controller?
A: Yes, it includes an LCD driver, along with DMA, PWM, POR, BOD, and WDT.
Q: What package is used?
A: It comes in a 132-UFBGA package, ideal for compact, high-density PCBs.