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| PartNumber | P89C52X2BBD/00,557 | P89C52X2BN/00,112 | P89C52X2BA |
| Description | IC MCU 8BIT 8KB FLASH 44LQFP | IC MCU 8BIT 8KB FLASH 40DIP | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 |
| Manufacturer | - | NXP Semiconductors | PHILIPS |
| Product Category | - | Embedded - Microcontrollers | IC Chips |
| Series | - | 89C | - |
| Packaging | - | Tube | - |
| Package Case | - | 40-DIP (0.600", 15.24mm) | - |
| Operating Temperature | - | 0°C ~ 70°C (TA) | - |
| Supplier Device Package | - | 40-DIP | - |
| Number of I O | - | 32 | - |
| Speed | - | 33MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | - | 8051 | - |
| RAM Size | - | 256 x 8 | - |
| Program Memory Type | - | FLASH | - |
| Peripherals | - | POR | - |
| Connectivity | - | UART/USART | - |
| Voltage Supply Vcc Vdd | - | 4.5 V ~ 5.5 V | - |
| Core Size | - | 8-Bit | - |
| Program Memory Size | - | 8KB (8K x 8) | - |
| Data Converters | - | - | - |
| Oscillator Type | - | Internal | - |