Dimensions:
                                    
                                    
                                        5.15 x 5.15 x 1.05mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of I2C Channels:
                                    
                                    
                                        2
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of USART Channels:
                                    
                                    
                                        3
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        USB Channels:
                                    
                                    
                                        1
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Width:
                                    
                                    
                                        5.15mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Program Memory Size:
                                    
                                    
                                        128 kB
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of PWM Units:
                                    
                                    
                                        1
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        RAM Size:
                                    
                                    
                                        16 kB
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        ADC Channels:
                                    
                                    
                                        20
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of Timers:
                                    
                                    
                                        10
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Data Bus Width:
                                    
                                    
                                        32bit
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Instruction Set Architecture:
                                    
                                    
                                        MCU
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Program Memory Type:
                                    
                                    
                                        Flash
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package Type:
                                    
                                    
                                        BGA
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Frequency:
                                    
                                    
                                        32MHz
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Maximum Operating Temperature:
                                    
                                    
                                        +85 °C
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        PWM Resolution:
                                    
                                    
                                        16bit
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Family Name:
                                    
                                    
                                        STM32L
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Device Core:
                                    
                                    
                                        ARM Cortex M3
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        ADC Resolution:
                                    
                                    
                                        12bit
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Timer Resolution:
                                    
                                    
                                        16bit
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Timers:
                                    
                                    
                                        10(4 x 16 bit)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of ADC Units:
                                    
                                    
                                        1
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Pin Count:
                                    
                                    
                                        64
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Pulse Width Modulation:
                                    
                                    
                                        1(4 x 16 bit)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Mounting Type:
                                    
                                    
                                        Surface Mount
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        PWM Channels:
                                    
                                    
                                        4
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Length:
                                    
                                    
                                        5.15mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Height:
                                    
                                    
                                        1.05mm
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Typical Operating Supply Voltage:
                                    
                                    
                                        3.6 V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        ADCs:
                                    
                                    
                                        1(20 x 12 bit)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Minimum Operating Temperature:
                                    
                                    
                                        -40 °C
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of SPI Channels:
                                    
                                    
                                        2
                                    
                                                                                                                                                                    
                                                                                                                
                                    
                                                                                                                
                                    
                                        HTSUS:
                                    
                                    
                                        8542.31.0001
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        RoHS Status:
                                    
                                    
                                        ROHS3 Compliant
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Program Memory Size:
                                    
                                    
                                        128KB (128K x 8)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Peripherals:
                                    
                                    
                                        Brown-out Detect/Reset, Cap Sense, DMA, I²S, POR, PWM, WDT
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Operating Temperature:
                                    
                                    
                                        -40°C ~ 85°C (TA)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Voltage - Supply (Vcc/Vdd):
                                    
                                    
                                        1.8V ~ 3.6V
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Package / Case:
                                    
                                    
                                        64-TFBGA
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        RAM Size:
                                    
                                    
                                        16K x 8
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Program Memory Type:
                                    
                                    
                                        FLASH
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        REACH Status:
                                    
                                    
                                        REACH Unaffected
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Connectivity:
                                    
                                    
                                        I²C, IrDA, LINbus, SPI, UART/USART, USB
                                    
                                                                                                        
                                                                                                                
                                                                                                                
                                                                                                                
                                    
                                                                                                                
                                    
                                        Package:
                                    
                                    
                                        Tray
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        EEPROM Size:
                                    
                                    
                                        4K x 8
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Oscillator Type:
                                    
                                    
                                        Internal
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Moisture Sensitivity Level (MSL):
                                    
                                    
                                        3  (168 Hours)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Number of I/O:
                                    
                                    
                                        51
                                    
                                                                                                        
                                                                                                                
                                    
                                                                                                                
                                    
                                        Core Size:
                                    
                                    
                                        32-Bit Single-Core
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Mounting Type:
                                    
                                    
                                        Surface Mount
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Series:
                                    
                                    
                                        STM32L1
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Supplier Device Package:
                                    
                                    
                                        64-TFBGA (5x5)
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Data Converters:
                                    
                                    
                                        A/D 20x12b; D/A 2x12b
                                    
                                                                                                        
                                                                                                                
                                                                                                                
                                    
                                                                                                                
                                    
                                        Core Processor:
                                    
                                    
                                        ARM® Cortex®-M3
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Speed:
                                    
                                    
                                        32MHz
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        Base Product Number:
                                    
                                    
                                        STM32L151
                                    
                                                                                                        
                                    
                                                                                                                
                                    
                                        ECCN:
                                    
                                    
                                        3A991A2