| Parameters | 
                                                                                                                        
                                                | Mfr | STMicroelectronics | 
                                                                                    
                                                | Series | STM32L4 | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | ARM® Cortex®-M4 | 
                                                                                    
                                                | Core Size | 32-Bit | 
                                                                                    
                                                | Speed | 80MHz | 
                                                                                    
                                                | Connectivity | I²C, Infrared, IrDA, LINbus, QSPI, SPI, UART/USART, USB | 
                                                                                    
                                                | Peripherals | Brown-out Detect/Reset, DMA, PWM, Temp Sensor, WDT | 
                                                                                    
                                                | Number of I/O | 26 | 
                                                                                    
                                                | Program Memory Size | 128KB (128K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 40K x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 
                                                                                    
                                                | Data Converters | A/D 10x12b SAR | 
                                                                                    
                                                | Oscillator Type | External, Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 125°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 32-LQFP | 
                                                                                    
                                                | Supplier Device Package | 32-LQFP (7x7) | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | Other Names | 497-STM32L412KBT3TR | 
                                                                                    
                                                | Standard Package | 2,400 | 
                                                                                                                
                                
                             
                                                ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit 80MHz 128KB (128K x 8) FLASH 32-LQFP (7x7)