| PartNumber | UPSD3254BV-24U6 | UPSD3254A-40T6 | UPSD3254A-40U6 |
| Description | 8-bit Microcontrollers - MCU 3.0V 2M 24MHz | IC MCU 8BIT 288KB FLASH 52LQFP | IC MCU 8BIT 288KB FLASH 80LQFP |
| Manufacturer | STMicroelectronics | - | ST |
| Product Category | 8-bit Microcontrollers - MCU | - | Embedded - Microcontrollers |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-80 | - | - |
| Series | UPSD3254 | - | μPSD |
| Core | 8032 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 24 MHz | - | - |
| Program Memory Size | 288 kB | - | 288KB (288K x 8) |
| Data RAM Size | 32 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 80 I/O | - | - |
| Operating Supply Voltage | 3 V to 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | Tray |
| Height | 1.4 mm | - | - |
| Length | 12 mm | - | - |
| Program Memory Type | Flash | - | FLASH |
| Width | 12 mm | - | - |
| Brand | STMicroelectronics | - | - |
| Interface Type | DDC, I2C, UART, USB | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 4 | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 714 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 3 V | - | - |
| Unit Weight | 0.018117 oz | - | - |
| Package Case | - | - | 80-LQFP |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | * |
| Number of I O | - | - | 46 |
| Speed | - | - | 40MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | 8032 |
| RAM Size | - | - | 32K x 8 |
| Peripherals | - | - | LVD, POR, PWM, WDT |
| Connectivity | - | - | I2C, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 4.5 V ~ 5.5 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 4x8b |
| Oscillator Type | - | - | Internal |