STM32L4R5VIT6

STMicroelectronics · STM32L4R Series

STMicroelectronics STM32L4R series, ARM Cortex-M4, 32-bit MCU, STM32L4R5VIT6, 120MHz, 2MB Flash, 640K x 8 RAM, CANbus/EBI/EMI/I²C/IrDA/LINbus/MMC/SD/SAI/SPI/UART/USART/USB OTG, 83 I/O, 100-LQFP, -40°C to 85°C.

STMicroelectronics STM32L4R5VIT6
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MOQ 1 · Tray · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

STM32L4R5VIT6 specifications
Parameter / AttributeSpecification / Value
SeriesSTM32L4R
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.71V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed120MHz
PackageTray
RAM size640K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityCANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG
Number of i (O)83
Core processorARM® Cortex®-M4
Case100-LQFP
Data convertersA/D 16x12b; D/A 2x12b
Program memory size2MB (2M x 8)

Technical details

120 MHz Cortex-M4 with 2 MB Flash — the memory headroom play

That SRAM allocation — 640 KB — is the standout: enough for a VGA-class graphics frame buffer, a multi-protocol IoT stack with TLS, or a dual-channel audio pipeline without adding external memory. The 2 MB Flash gives firmware teams room for OTA staging, over-the-air update images, and rich application code without density anxiety.

Peripheral set and I/O count — what connects where

The 100-LQFP (14x14 mm) package is a hand-solderable, inspectable footprint — no BGA rework station needed for prototyping or low-volume production. The tray shipping medium matches pick-and-place feeders that handle LQFP-100.

STM32L4R5VIT6
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