| Parameters | 
                                                                                                                        
                                                | Mfr | STMicroelectronics | 
                                                                                    
                                                | Series | STM32L0 | 
                                                                                    
                                                | Package | Tape & Reel (TR) | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | ARM® Cortex®-M0+ | 
                                                                                    
                                                | Core Size | 32-Bit Single-Core | 
                                                                                    
                                                | Speed | 32MHz | 
                                                                                    
                                                | Connectivity | I²C, IrDA, LINbus, SPI, UART/USART | 
                                                                                    
                                                | Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 21 | 
                                                                                    
                                                | Program Memory Size | 32KB (32K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | 1K x 8 | 
                                                                                    
                                                | RAM Size | 8K x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 
                                                                                    
                                                | Data Converters | A/D 10x12b | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 28-UFQFN | 
                                                                                    
                                                | Supplier Device Package | 28-UFQFPN (4x4) | 
                                                                                    
                                                | Base Product Number | STM32L031 | 
                                                                                    
                                                | RoHS Status | ROHS3 Compliant | 
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | 3A991A2 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Standard Package | 3,000 | 
                                                                                                                
                                
                             
                                                ARM® Cortex®-M0+ STM32L0 Microcontroller IC 32-Bit Single-Core 32MHz 32KB (32K x 8) FLASH 28-UFQFPN (4x4)