| Manufacturer | STMicroelectronics | STMicroelectronics | 
                        
                            | Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
                        
                            |  |   |   | 
                                                
                            | Product Status | Active | Active | 
                                                
                            | Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 | 
                                                
                            | Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 
                                                
                            | Speed | 32MHz | 32MHz | 
                                                
                            | Connectivity | I²C, IrDA, LINbus, SPI, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART, USB | 
                                                
                            | Peripherals | Brown-out Detect/Reset, Cap Sense, DMA, I²S, LCD, POR, PWM, WDT | Brown-out Detect/Reset, Cap Sense, DMA, I²S, LCD, POR, PWM, WDT | 
                                                
                            | Number of I/O | 83 | 83 | 
                                                
                            | Program Memory Size | 64KB (64K x 8) | 128KB (128K x 8) | 
                                                
                            | Program Memory Type | Flash | Flash | 
                                                
                            | EEPROM Size | 4K x 8 | 4K x 8 | 
                                                
                            | RAM Size | 10K x 8 | 16K x 8 | 
                                                
                            | Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 
                                                
                            | Data Converters | A/D 24x12b; D/A 2x12b | A/D 24x12b; D/A 2x12b | 
                                                
                            | Oscillator Type | Internal | Internal | 
                                                
                            | Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
                                                
                            | Mounting Type | Surface Mount | Surface Mount | 
                                                
                            | Package / Case | 100-UFBGA | 100-UFBGA | 
                                                
                            | Supplier Device Package | 100-UFBGA (7x7) | 100-UFBGA (7x7) |