| Part Number | AT80C31X2-RLTUL | AT80C32X2-RLTUL |
|---|---|---|
| Manufacturer | Atmel | Microchip Technology |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Obsolete | Obsolete |
| Core Processor | 80C51 | 80C51 |
| Core Size | 8-Bit | 8-Bit |
| Speed | 30/20MHz | 30/20MHz |
| Connectivity | UART/USART | UART/USART |
| Peripherals | POR | POR |
| Number of I/O | 32 | 32 |
| Program Memory Size | - | - |
| Program Memory Type | ROMless | ROMless |
| EEPROM Size | - | - |
| RAM Size | 128 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Data Converters | - | - |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 44-LQFP | 44-LQFP |
| Supplier Device Package | 44-VQFP (10x10) | 44-VQFP (10x10) |