| Parameters | 
                                                                                                                        
                                                | Core Size | 8-Bit | 
                                                                                    
                                                | Speed | 3MHz | 
                                                                                    
                                                | Connectivity | SCI, SPI | 
                                                                                    
                                                | Peripherals | POR, WDT | 
                                                                                    
                                                | Number of I/O | 16 | 
                                                                                    
                                                | Program Memory Size | - | 
                                                                                    
                                                | Program Memory Type | ROMless | 
                                                                                    
                                                | EEPROM Size | 512 x 8 | 
                                                                                    
                                                | RAM Size | 512 x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V | 
                                                                                    
                                                | Data Converters | A/D 8x8b | 
                                                                                    
                                                | Oscillator Type | Internal | 
                                                                                    
                                                | Operating Temperature | -40°C ~ 85°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 52-LCC (J-Lead) | 
                                                                                    
                                                | Supplier Device Package | 52-PLCC (19.13x19.13) | 
                                                                                    
                                                | Other Names | 2156-MC68HCP11E1CFNE3 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                    
                                                | Mfr | Freescale Semiconductor | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Core Processor | M68HC11 | 
                                                                                                                
                                
                             
                                                M68HC11 - Microcontroller IC 8-Bit 3MHz ROMless 52-PLCC (19.13x19.13)