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| PartNumber | P89LPC9321FA/529 | P89LPC9321FA/112 | P89LPC9321FA |
| Description | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | |
| Manufacturer | NXP | NXP | NXP Semiconductors |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PLCC-28 | PLCC-28 | - |
| Core | 80C51 | 80C51 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| ADC Resolution | No ADC | No ADC | - |
| Operating Supply Voltage | 2.4 V to 3.6 V | 2.4 V to 3.6 V | - |
| Height | 3.68 mm (Min) | 3.68 mm (Min) | - |
| Length | 11.58 mm (Max) | 11.58 mm (Max) | - |
| Width | 11.58 mm (Max) | 11.58 mm (Max) | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Unit Weight | 0.041719 oz | 0.041719 oz | - |
| Series | - | - | LPC900 |
| Packaging | - | - | Tube |
| Package Case | - | - | 28-LCC (J-Lead) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 28-PLCC (11.51x11.51) |
| Number of I O | - | - | 26 |
| Speed | - | - | 18MHz |
| EEPROM Size | - | - | 512 x 8 |
| Core Processor | - | - | 8051 |
| RAM Size | - | - | 768 x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | - | - | I2C, SPI, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 2.4 V ~ 3.6 V |
| Core Size | - | - | 8-Bit |
| Program Memory Size | - | - | 8KB (8K x 8) |
| Data Converters | - | - | - |
| Oscillator Type | - | - | Internal |