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| PartNumber | P89LV51RB2BA/512 | P89LV51RB2BA | P89LV51RB2BBC |
| Description | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU 3V 16K/512 FL 12 CLK ISP/IAP | 8-bit Microcontrollers - MCU 3V 16K/512 FL 12 CLK ISP/IAP |
| Manufacturer | NXP | PHILIPS | NXP Semiconductors |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | PLCC-44 | - | - |
| Core | 80C51 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 33 MHz | - | - |
| ADC Resolution | No ADC | - | - |
| Operating Supply Voltage | 2.7 V to 3.6 V | - | - |
| Height | 3.68 mm (Min) | - | - |
| Length | 16.66 mm (Max) | - | - |
| Width | 16.66 mm (Max) | - | - |
| Brand | NXP Semiconductors | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Unit Weight | 0.084185 oz | - | - |
| Series | - | - | 89LV |
| Packaging | - | - | Tray |
| Package Case | - | - | 44-TQFP |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Supplier Device Package | - | - | 44-TQFP (10x10) |
| Number of I O | - | - | 32 |
| Speed | - | - | 33MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | 8051 |
| RAM Size | - | - | 512 x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | - | SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 2.7 V ~ 3.6 V |
| Core Size | - | - | 8-Bit |
| Program Memory Size | - | - | 16KB (16K x 8) |
| Data Converters | - | - | - |
| Oscillator Type | - | - | Internal |