| Parameters | 
                                                                                                                        
                                                | EEPROM Size | - | 
                                                                                    
                                                | RAM Size | 512 x 8 | 
                                                                                    
                                                | Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 
                                                                                    
                                                | Data Converters | A/D 7x10b SAR; D/A 2x8b | 
                                                                                    
                                                | Oscillator Type | External, Internal | 
                                                                                    
                                                | Operating Temperature | 0°C ~ 70°C (TA) | 
                                                                                    
                                                | Mounting Type | Surface Mount | 
                                                                                    
                                                | Package / Case | 64-LQFP | 
                                                                                    
                                                | Supplier Device Package | 64-LQFP (10x10) | 
                                                                                    
                                                | Base Product Number | P83C554 | 
                                                                                    
                                                | RoHS Status | RoHS non-compliant | 
                                                                                    
                                                | REACH Status | REACH Unaffected | 
                                                                                    
                                                | ECCN | EAR99 | 
                                                                                    
                                                | HTSUS | 8542.31.0001 | 
                                                                                    
                                                | Other Names | 2156-P83C554SBBDCV9514 | 
                                                                                    
                                                | Standard Package | 1 | 
                                                                                    
                                                | Mfr | NXP Semiconductors | 
                                                                                    
                                                | Series | - | 
                                                                                    
                                                | Package | Bulk | 
                                                                                    
                                                | Product Status | Obsolete | 
                                                                                    
                                                | Core Processor | 80C51 | 
                                                                                    
                                                | Core Size | 8-Bit | 
                                                                                    
                                                | Speed | 16MHz | 
                                                                                    
                                                | Connectivity | I²C, UART/USART | 
                                                                                    
                                                | Peripherals | PWM, WDT | 
                                                                                    
                                                | Number of I/O | 40 | 
                                                                                    
                                                | Program Memory Size | 16KB (16K x 8) | 
                                                                                    
                                                | Program Memory Type | ROM | 
                                                                                                                
                                
                             
                                                80C51 - Microcontroller IC 8-Bit 16MHz 16KB (16K x 8) ROM 64-LQFP (10x10)