My Inquiry
My Account
STMicroelectronics STM32L4R5AII6P
- Part No.:
- STM32L4R5AII6P
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 169-UFBGA
- Datasheet:
-
STM32L4R5AII6P.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 169UFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,692
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32L4R5AII6P from STMicroelectronics is an ultra-low-power Arm® Cortex®-M4 32-bit MCU with FPU, 120 MHz max frequency, 2 MB Flash, 640 KB SRAM, and integrated MIPI DSI host controller + LCD-TFT controller for embedded graphics applications. It supports external SMPS, operates from 1.71–3.6 V, and delivers 43 µA/MHz in SMPS-run mode.
For engineers reviewing the STM32L4R5AII6P datasheet, STM32L4R5AII6P pinout, STM32L4R5AII6P application, or STM32L4R5AII6P equivalent, key selection criteria include ultra-low-power operation down to 33 nA (Shutdown), dual-bank read-while-write Flash, hardware-accelerated graphics (Chrom-ART/DMA2D), MIPI DSI lane support up to 500 Mbit/s, and 136 5 V-tolerant I/Os with independent supply capability.
Technical Context
The device integrates an adaptive real-time accelerator (ART Accelerator) enabling zero-wait-state execution from Flash at 120 MHz, and features a multi-AHB interconnect matrix supporting concurrent access to memory and peripherals. Its power architecture includes FlexPowerControl with five low-power modes - Shutdown (33 nA), Standby (125 nA), Stop 2 with RTC (2.8 µA), and Run modes optimized for LDO or external SMPS.
Graphics subsystem comprises Chrom-ART Accelerator (DMA2D) for 2D composition and Chrom-GRC (GFXMMU) for memory optimization, plus MIPI DSI Host with two lanes (500 Mbit/s each) and full LCD-TFT controller supporting RGB, YUV, and serial interfaces. Analog integration includes dual 12-bit DACs, two op-amps with PGA, and 12-bit ADC at 5 Msps with hardware oversampling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max, 150 DMIPS, DSP instructions, MPU |
| Memory | 2 MB dual-bank Flash (read-while-write), 640 KB SRAM (64 KB with parity) |
| Power Consumption | 43 µA/MHz in SMPS-run mode; 33 nA in Shutdown mode with 5 wakeup pins |
| Graphics Interface | MIPI DSI Host (2 lanes, 500 Mbit/s each); LCD-TFT controller with RGB/YUV output |
| Analog Peripherals | 12-bit ADC @ 5 Msps (16-bit with oversampling), 2×12-bit DAC, 2×op-amp + PGA, 2×comparator |
| Communication | USB OTG FS, CAN 2.0B, 6×USART, 4×I²C FM+, 3×SPI, 2×SAI, SDMMC, OctoSPI ×2 |
| Package | UFBGA132 (7 × 7 mm, 0.4 mm pitch), 132-pin ball grid array |
Pinout & Package
STM32L4R5AII6P is housed in a UFBGA132 package (7 × 7 mm, 0.4 mm pitch), designed for high-density PCB layouts and thermal efficiency in space-constrained industrial and portable applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Main power supply and ground | Supports 1.71–3.6 V operation; multiple VDD/VSS pairs ensure stable core/peripheral rail decoupling |
| VDDA, VSSA | Analog power and ground | Independent analog domain supply enables precision ADC/DAC performance with reduced noise coupling |
| VBAT | Backup power supply | Supplies RTC and 32×32-bit backup registers during main power loss (305 nA retention current) |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/Os | Up to 136 fast I/Os; most 5 V-tolerant; up to 14 pins support independent 1.08–3.6 V supply for mixed-voltage interfacing |
| PH13–PH15, PI0–PI11 | MIPI DSI lane signals | Dedicated differential pairs (CLKP/CLKN, DAT0P/DAT0N, DAT1P/DAT1N) for high-speed display interface up to 500 Mbit/s per lane |
| PF10–PG15 | LCD-TFT controller outputs | RGB888/666/565, HSYNC/VSYNC/DE, and dotclock signals for direct TFT panel driving without external timing controller |
Key Features
| Feature | Design Value |
|---|---|
| FlexPowerControl architecture | Enables 33 nA Shutdown and 2.8 µA Stop 2 with RTC-critical for battery-powered devices requiring multi-year operation |
| Chrom-ART Accelerator (DMA2D) | Offloads CPU from 2D graphics operations (copy, blend, format conversion), reducing firmware overhead and improving UI frame rate |
| Dual-bank Flash with RWW | Allows seamless firmware updates via background bank swap while application runs from active bank-no interruption to real-time tasks |
| External SMPS support | Reduces active-mode current to 43 µA/MHz vs. 110 µA/MHz with internal LDO-extends battery life in portable displays and IoT gateways |
| MIPI DSI + LCD-TFT integration | Eliminates need for external display bridge IC; supports direct connection to DSI panels and parallel RGB TFTs in same design |
Applications
| Smart Wearable Display | Industrial HMI Panel |
|---|---|
Use Scenario: Round OLED display in fitness tracker with touch sensing and always-on step counter. IC Role / Device Role / Timing Role: Main application processor managing sensor fusion, BLE stack, and MIPI DSI-driven display refresh at 60 Hz. Use Value: 33 nA Shutdown mode preserves battery during sleep; Chrom-ART accelerates icon animation rendering without CPU load. | Use Scenario: 7-inch resistive touchscreen HMI on factory floor PLC interface with ambient temperature up to 85 °C. IC Role / Device Role / Timing Role: Graphics controller driving parallel RGB TFT via LTDC while executing real-time control logic on Cortex-M4 core. Use Value: Dual-bank Flash enables field-upgradable UI firmware; 136 5 V-tolerant I/Os simplify connection to legacy 5 V logic and sensors. |
| Portable Medical Monitor | Energy-Efficient Smart Gateway |
Use Scenario: Battery-powered ECG monitor with color TFT screen, capacitive touch UI, and Bluetooth LE data upload. IC Role / Device Role / Timing Role: Single-chip solution handling analog front-end (ADC, op-amps), display control (DSI + LTDC), and wireless comms (USB/USART). Use Value: Integrated 12-bit ADC (5 Msps) captures high-fidelity waveform; 420 nA Standby-with-RTC maintains timekeeping between measurements. | Use Scenario: Edge gateway aggregating Zigbee/Z-Wave sensor data, displaying status on e-ink + color LCD, and uploading to cloud via Ethernet/USB. IC Role / Device Role / Timing Role: Central hub MCU managing multi-protocol connectivity, dual-display output (DSI for color, SPI for e-ink), and secure boot via hardware crypto acceleration. Use Value: External SMPS support cuts system power by >60% vs. LDO; true RNG and 96-bit UID enable secure device identity and firmware signing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power graphics-capable MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L4R5ZIJ6 | Same core/peripherals, but UFBGA144 (10 × 10 mm) package with 144 balls; adds 2 extra GPIOs and 1 additional USART | Preferred when board layout allows larger footprint and requires more I/Os or peripheral channels | Select for designs needing expanded connectivity without changing firmware or power architecture |
| STM32L4R9VIT6 | LQFP100 package (14 × 14 mm); identical feature set except no MIPI DSI-replaces DSI with additional general-purpose I/Os | Suitable for non-DSI TFT applications where cost-sensitive LQFP packaging and simplified display interface (parallel only) are prioritized | Choose when MIPI DSI is unnecessary and PCB assembly favors leaded packages over BGA |
Compared with STM32L4R5ZIJ6, the AII6P offers smaller UFBGA132 footprint and lower pin count-ideal for compact wearables-while STM32L4R9VIT6 trades DSI capability for LQFP manufacturability and broader I/O availability in non-graphics use cases.
Availability
STM32L4R5AII6P is available at Aetrix Electronics and suitable for smart wearable displays, industrial HMIs, portable medical monitors, and energy-efficient smart gateways requiring stable component supply across long product lifecycles.
Supply support for STM32L4R5AII6P includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, sensors, and automotive ICs.
The STM32L4 series targets ultra-low-power embedded applications demanding rich graphics, secure connectivity, and extended battery life-designed specifically for wearable electronics, portable medical devices, and intelligent industrial edge nodes.
FAQ
What is the maximum operating temperature range for STM32L4R5AII6P?
The STM32L4R5AII6P is rated for industrial temperature range: –40 °C to +85 °C. This is confirmed in Section 6.3.1 of the DS12023 Rev 5 datasheet, which specifies operating conditions and thermal derating curves for all low-power modes under this ambient range.
Does STM32L4R5AII6P support external memory expansion?
Yes-it integrates a Flexible Static Memory Controller (FSMC) supporting SRAM, PSRAM, NOR, NAND, and FRAM, plus two OctoSPI interfaces for high-speed serial flash or RAM. These are electrically and functionally distinct: FSMC handles parallel memories up to 16-bit bus width, while OctoSPI supports x1/x2/x4/x8 configurations with double-data-rate capability.
How many MIPI DSI lanes does STM32L4R5AII6P implement?
The device implements a single MIPI DSI Host controller with two configurable data lanes (DAT0 and DAT1) and one clock lane (CLK), each capable of 500 Mbit/s-enabling WVGA or HD resolution at 60 Hz. Pin mapping is fixed per UFBGA132 ballout: PH13/PH14 (CLKP/CLKN), PH15/PI0 (DAT0P/DAT0N), PI1/PI2 (DAT1P/DAT1N).
Is the 2 MB Flash memory organized as a single block or segmented banks?
The 2 MB Flash is physically divided into two independent 1 MB banks (Bank 1 and Bank 2), enabling true Read-While-Write (RWW) operation. This allows code execution from one bank while erasing/programming the other-essential for robust over-the-air (OTA) firmware updates without system interruption.
STM32L4R5AII6P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 169-UFBGA
- Series:
- STM32L4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- 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, POR, PWM, WDT, (External SMPS Required)
- Number of I/O:
- 112
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 640K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L4R5AII6P FAQ
1.How can I place an order for STM32L4R5AII6P through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L4R5AII6P on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32L4R5AII6P reliable?
The price and inventory of STM32L4R5AII6P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L4R5AII6P is usually 5 days.
3.What payment methods are accepted for STM32L4R5AII6P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L4R5AII6P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L4R5AII6P?
STM32L4R5AII6P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L4R5AII6P order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32L4R5AII6P?
For technical support, including STM32L4R5AII6P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L4R5AII6P requirements.
6.How does Aetrix verify that STM32L4R5AII6P is sourced from the original manufacturer or authorized distributors?
All STM32L4R5AII6P products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32L4R5AII6P meets industry standards.
7.What is the process for return or replacement of STM32L4R5AII6P?
All STM32L4R5AII6P units undergo pre-shipment inspection (PSI). If there is an issue with STM32L4R5AII6P, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32L4R5AII6P part is unused and in its original packaging.
Return procedure for STM32L4R5AII6P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32L4R5AII6P Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
