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                                    | Manufacturer Part Number: | STM32L431RBI3 | 
| Manufacturer: | STMicroelectronics | 
| Part of Description: | IC MCU 32BIT 128KB FLASH 64UFBGA | 
| Lead Free Status / RoHS Status: | Lead Free / RoHS Compliant | 
| Stock Condition: | 2503 In Stock | 
| Ship From: | Hong Kong | 
| Shipment Way: | DHL/Fedex/TNT/UPS/EMS | 
| Type | Description | 
|---|---|
| Series | STM32L4 | 
| Package | Tray | 
| Part Status | Active | 
| Core Processor | ARM® Cortex®-M4 | 
| Core Size | 32-Bit | 
| Speed | 80MHz | 
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT | 
| Number of I/O | 52 | 
| Program Memory Size | 128KB (128K x 8) | 
| Program Memory Type | FLASH | 
| EEPROM Size | - | 
| RAM Size | 64K 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) | 
| Mounting Type | Surface Mount | 
| Package / Case | 64-UFBGA | 
| Supplier Device Package | 64-UFBGA (5x5) | 










