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| PartNumber | STM32L4R5ZIT6 | STM32L4R5ZGT6 | STM32L4R5ZGY6TR |
| Description | ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 120 MHz with 2048 kbytes Flash, USB OTG, DFSDM, CHROM-ART | ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 120 MHz with 1024 kbytes Flash, USB OTG, DFSDM, CHROM-ART | ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 120 MHz with 1024 kbytes Flash, USB OTG, DFSDM, CHROM-ART |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-144 | LQFP-144 | WLCSP-144 |
| Series | STM32L4R5ZI | STM32L4R5ZG | STM32L4R5ZG |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz |
| Program Memory Size | 2 MB | 1 MB | 1 MB |
| Data RAM Size | 640 kB | 640 kB | 640 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 115 I/O | 115 I/O | 115 I/O |
| Operating Supply Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | - | - |
| Product | MCU+FPU | MCU+FPU | MCU+FPU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | CAN, I2C, SAI, SPI, USART, USB | CAN, I2C, LPUART, SAI, SPI, UART, USART, USB OTG FS | CAN, I2C, LPUART, SAI, SPI, UART, USART, USB OTG FS |
| DAC Resolution | 12 bit | 2 x 12 bit | 2 x 12 bit |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 16 Channel | 16 Channel | 16 Channel |
| Number of Timers/Counters | 7 Timer | 16 Timer | 16 Timer |
| Processor Series | STM32L4R5xx | STM32L4R5 | STM32L4R5 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 360 | 360 | 5000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer, Windowed | Watchdog Timer, Windowed |
| Analog Supply Voltage | - | 1.62 V to 3.6 V, 1.8 V to 3.6 V | 1.62 V to 3.6 V, 1.8 V to 3.6 V |
| I/O Voltage | - | 1.08 V to 3.6 V | 1.08 V to 3.6 V |
