| PartNumber | P80C32X2FA,512 | P80C32X2BA,512 | P80C32X2BBD,157 |
| Description | Microcontrollers - MCU 8-bit Microcontrollers - MCU 80C51 256B 12/6 CLKS ROMLESS | Microcontrollers - MCU 8-bit Microcontrollers - MCU 80C51 256B 12/6 CLKS ROMLESS | Microcontrollers - MCU 8-bit Microcontrollers - MCU 80C51 256B 12/6 CLKS ROMLESS |
| Manufacturer | NXP | NXP Semiconductors | - |
| Product Category | IC Chips | Embedded - Microcontrollers | - |
| Series | 80C | 80C | - |
| Packaging | Tube | Tube | - |
| Package Case | 44-LCC (J-Lead) | 44-LCC (J-Lead) | - |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | - |
| Supplier Device Package | 44-PLCC (16.59x16.59) | 44-PLCC (16.59x16.59) | - |
| Number of I O | 32 | 32 | - |
| Speed | 33MHz | 33MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | 8051 | 8051 | - |
| RAM Size | 256 x 8 | 256 x 8 | - |
| Program Memory Type | ROMless | ROMless | - |
| Peripherals | POR | POR | - |
| Connectivity | EBI/EMI, UART/USART | EBI/EMI, UART/USART | - |
| Voltage Supply Vcc Vdd | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V | - |
| Core Size | 8-Bit | 8-Bit | - |
| Program Memory Size | - | - | - |
| Data Converters | - | - | - |
| Oscillator Type | Internal | Internal | - |