| PartNumber | UPSD3422E-40T6 | UPSD3422EB40T6 | UPSD3422E-40U6 |
| Description | IC MCU 8BIT 80KB FLASH 52TQFP | IC MCU 8BIT 80KB FLASH 52LQFP | IC MCU 8BIT 80KB FLASH 80LQFP |
| Manufacturer | - | STMicroelectronics | STMicroelectronics |
| Product Category | - | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | - | μPSD | μPSD |
| Packaging | - | Tray | Tray |
| Package Case | - | 52-LQFP | 80-LQFP |
| Operating Temperature | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | * | * |
| Number of I O | - | 35 | 46 |
| Speed | - | 40MHz | 40MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | 8032 | 8032 |
| RAM Size | - | 4K x 8 | 4K x 8 |
| Program Memory Type | - | FLASH | FLASH |
| Peripherals | - | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT |
| Connectivity | - | I2C, IrDA, SPI, UART/USART, USB | I2C, IrDA, SPI, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | 3 V ~ 5.5 V | 3 V ~ 5.5 V |
| Core Size | - | 8-Bit | 8-Bit |
| Program Memory Size | - | 80KB (80K x 8) | 80KB (80K x 8) |
| Data Converters | - | A/D 8x10b | A/D 8x10b |
| Oscillator Type | - | Internal | Internal |