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| Part Number | UPSD3254A-40U6 | UPSD3234A-40U6 | UPSD3254A-40T6 |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete |
| Core Processor | 8032 | 8032 | 8032 |
| Core Size | 8-Bit | 8-Bit | 8-Bit |
| Speed | 40MHz | 40MHz | 40MHz |
| Connectivity | I²C, UART/USART, USB | I²C, UART/USART, USB | I²C, UART/USART, USB |
| Peripherals | LVD, POR, PWM, WDT | LVR, POR, PWM, WDT | LVD, POR, PWM, WDT |
| Number of I/O | 46 | 46 | 46 |
| Program Memory Size | 288KB (288K x 8) | 288KB (288K x 8) | 288KB (288K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | - | - | - |
| RAM Size | 32K x 8 | 8K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Data Converters | A/D 4x8b | A/D 4x8b | A/D 4x8b |
| Oscillator Type | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 80-LQFP | 80-LQFP | 52-LQFP |
| Supplier Device Package | - | - | - |
