| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
                        
                            | Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
                        
                            |  |   |   | 
                                                
                            | Product Status | Active | Obsolete | 
                                                
                            | Core Processor | 8052 | 8052 | 
                                                
                            | Core Size | 8-Bit | 8-Bit | 
                                                
                            | Speed | 12.58MHz | 12.58MHz | 
                                                
                            | Connectivity | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | 
                                                
                            | Peripherals | POR, PSM, PWM, Temp Sensor, WDT | POR, PSM, Temp Sensor, WDT | 
                                                
                            | Number of I/O | 34 | 34 | 
                                                
                            | Program Memory Size | 62KB (62K x 8) | 8KB (8K x 8) | 
                                                
                            | Program Memory Type | Flash | Flash | 
                                                
                            | EEPROM Size | 4K x 8 | 640 x 8 | 
                                                
                            | RAM Size | 2.25K x 8 | 256 x 8 | 
                                                
                            | Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.25V | 2.7V ~ 5.25V | 
                                                
                            | Data Converters | A/D 3x16b, 4x24b; D/A 1x12b | A/D 3x16b, 4x24b; D/A 1x12b | 
                                                
                            | Oscillator Type | Internal | Internal | 
                                                
                            | Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
                                                
                            | Mounting Type | Surface Mount | Surface Mount | 
                                                
                            | Package / Case | 56-VFQFN Exposed Pad, CSP | 56-VFQFN Exposed Pad, CSP | 
                                                
                            | Supplier Device Package | 56-LFCSP-VQ (8x8) | 56-LFCSP-VQ (8x8) |