| PartNumber | UPSD3233B-40T6 | UPSD3233B-40T6T | UPSD3233B-40U6 |
| Description | IC MCU 8BIT 160KB FLASH 52TQFP | IC MCU 8BIT 160KB FLASH 52LQFP | IC MCU 8BIT 160KB FLASH 80LQFP |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Embedded - Microcontrollers | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | μPSD | μPSD | μPSD |
| Packaging | Tray | Tape & Reel (TR) | Tray |
| Package Case | 52-TQFP | 52-LQFP | 80-LQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supplier Device Package | * | * | * |
| Number of I O | 37 | 37 | 46 |
| Speed | 40MHz | 40MHz | 40MHz |
| EEPROM Size | - | - | - |
| Core Processor | 8032 | 8032 | 8032 |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 |
| Program Memory Type | FLASH | FLASH | FLASH |
| Peripherals | LVR, POR, PWM, WDT | LVR, POR, PWM, WDT | LVR, POR, PWM, WDT |
| Connectivity | I2C, UART/USART | I2C, UART/USART | I2C, UART/USART |
| Voltage Supply Vcc Vdd | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Core Size | 8-Bit | 8-Bit | 8-Bit |
| Program Memory Size | 160KB (160K x 8) | 160KB (160K x 8) | 160KB (160K x 8) |
| Data Converters | A/D 4x8b | A/D 4x8b | A/D 4x8b |
| Oscillator Type | Internal | Internal | Internal |