| Parameters | 
                                                                                                                        
                                                | Mfr | Freescale Semiconductor | 
                                                                                    
                                                | Series | Kinetis K40 | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Active | 
                                                                                    
                                                | Core Processor | ARM® Cortex®-M4 | 
                                                                                    
                                                | Core Size | 32-Bit Single-Core | 
                                                                                    
                                                | Speed | 72MHz | 
                                                                                    
                                                | Connectivity | CANbus, I²C, IrDA, SPI, UART/USART, USB, USB OTG | 
                                                                                    
                                                | Peripherals | DMA, I²S, LCD, LVD, POR, PWM, WDT | 
                                                                                    
                                                | Number of I/O | 66 | 
                                                                                    
                                                | Program Memory Size | 256KB (256K x 8) | 
                                                                                    
                                                | Program Memory Type | FLASH | 
                                                                                    
                                                | EEPROM Size | 2K x 8 | 
                                                                                    
                                                | RAM Size | 64K x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 
                                                                                    
                                                | Data Converters | A/D 34x16b; D/A 1x12b | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 105°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 100-LQFP | 
                                                                                    
                                                | Supplier Device Package | 100-LQFP (14x14) | 
                                                                                    
                                                | Base Product Number | MK40DX256 | 
                                                                                    
                                                | ECCN | 3A991A2 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                                                
                                
                             
                                                ARM® Cortex®-M4 Kinetis K40 Microcontroller IC 32-Bit Single-Core 72MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)