| ST72F512R9T3 | 
                                            STMicroelectronics | 
                                            ST72F512R9T3 STM IC QFP | 
                                        
                                                                            
                                            | ST72F521 | 
                                            STMicroelectronics | 
                                            80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE IC | 
                                        
                                                                            
                                            | ST72F521AR6T3 | 
                                            STMicroelectronics | 
                                            80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE IC | 
                                        
                                                                            
                                            | ST72F521AR6T6 | 
                                            STMicroelectronics | 
                                            IC MCU 8BIT 32KB FLASH 64TQFP | 
                                        
                                                                            
                                            | ST72F521AR6TC | 
                                            STMicroelectronics | 
                                            80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE IC | 
                                        
                                                                            
                                            | ST72F521AR9T3 | 
                                            STMicroelectronics | 
                                            80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE IC | 
                                        
                                                                            
                                            | ST72F521AR9T6 | 
                                            STMicroelectronics | 
                                            IC MCU 8BIT 60KB FLASH 64TQFP | 
                                        
                                                                            
                                            | ST72F521AR9T6 KEMOTA | 
                                            STMicroelectronics | 
                                            ST72F521AR9T6 KEMOTA STM IC QFP64 | 
                                        
                                                                            
                                            | ST72F521AR9TC | 
                                            STMicroelectronics | 
                                            IC MCU 8BIT 60KB FLASH 64TQFP | 
                                        
                                                                            
                                            | ST72F521AR9TCE | 
                                            STMicroelectronics | 
                                            IC MCU 8BIT 60KB FLASH 64TQFP | 
                                        
                                                                            
                                            | ST72F521AR9TCS | 
                                            STMicroelectronics | 
                                            ST72F521AR9TCS STM IC ORIGINAL | 
                                        
                                                                            
                                            | ST72F521AR9TCTR | 
                                            STMicroelectronics | 
                                            IC MCU 8BIT 60KB FLASH 64TQFP |