STM32L4R9ZIY6PTR
| Parameters | |
|---|---|
| Series | STM32L4R |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 144-UFBGA, WLCSP |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 144-WLCSP (5.24x5.24) |
| Speed | 120MHz |
| Oscillator Type | Internal |
| Core Processor | ARM® Cortex®-M4 |
| RAM Size | 640K x 8 |
| Number of I/O | 112 |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| EEPROM Size | - |
| Program Memory Type | FLASH |
| Connectivity | CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG |
| Core Size | 32-Bit Single-Core |
| Program Memory Size | 2MB (2M x 8) |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | STM32L4R9 |
| REACH Status | REACH Unaffected |
| Standard Package | 5,000 |
| ECCN | 3A991A2 |
| HTSUS | 8542.31.0001 |
STM32L4R9ZIY6PTR Arm Cortex-M4 MCU 2MB Flash, LCD-TFT & MIPI DSI
The STM32L4R9ZIY6PTR is an ultra-low-power 32-bit microcontroller manufactured by STMicroelectronics, belonging to the STM32L4+ series and built around a high-performance ARM Cortex-M4 32-bit RISC core operating at up to 120 MHz. This device integrates 2 MB of Flash memory and 640 KB of SRAM, making it one of the most feature-rich and power-efficient MCUs in its class. It uniquely combines an LCD-TFT controller with a MIPI DSI host controller supporting two DSI lanes at up to 500 Mbits/s each, positioning it as an ideal solution for advanced human-machine interface (HMI) applications, wearable devices, industrial panel displays, and IoT gateways. The chip supports a wide 1.71 V to 3.6 V power supply range and delivers exceptional energy efficiency with a ULPMark-CP score of 233 and ULPMark-PP score of 56.5, ensuring extended battery life in portable and remote sensing applications.
The ARM Cortex-M4 core features a hardware single-precision floating-point unit (FPU) that supports all Arm single-precision data-processing instructions and data types, complemented by a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security. The adaptive real-time accelerator (ART Accelerator) enables zero-wait-state execution from Flash memory at frequencies up to 120 MHz, delivering a peak performance of 150 DMIPS (1.25 DMIPS/MHz, Dhrystone 2.1) and achieving 409.20 Coremark (3.41 Coremark/MHz at 120 MHz). The device also includes a chromatic art accelerator (DMA2D) for hardware-accelerated graphic content creation and a Chrom-GRC (GFXMMU) that optimizes up to 20% of graphic resources, significantly offloading the CPU for display-intensive tasks.
Alternative Microcontroller Models
● STM32L4R9ZIT6 (STMicroelectronics) - Same 120 MHz Cortex-M4 core with 2 MB Flash and MIPI DSI in a 144-pin LQFP package for designers preferring leaded QFP assembly.
● GD32L476ZIT6 (GigaDevice) - Pin-compatible Cortex-M4 MCU with 1 MB Flash and LCD-TFT support, offering a cost-effective Chinese-manufactured alternative with comparable low-power performance.
● APM32F107ZET6 (APMicro) - Cortex-M3 based 72 MHz MCU with 128 KB Flash in 144-pin LQFP, serving as a functional alternative for less demanding legacy designs requiring pin-level migration.
