8-bit microcontroller (MCU) featuring 4KB FLASH memory and 256B RAM. Operates at up to 20MHz with an 8-bit data bus width. Supports I2C, SPI, UART, USART, and EBI/EMI interfaces. Includes 3 timers/counters, internal oscillator, and 36 programmable I/Os. Packaged in a 44-pin PLCC for surface mounting, with a temperature range of -40°C to 85°C and a supply voltage of 2.4V to 5.5V. Features include brown-out detect/reset, POR, PWM, and a watchdog timer.
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Microchip AT89LP51-20JU technical specifications.
| Package/Case | PLCC |
| Contact Plating | Tin, Matte |
| Core Architecture | 80C51 |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Interface | I2C, SPI, UART, USART, EBI/EMI |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.4V |
| Mount | Surface Mount |
| Number of I/Os | 36 |
| Number of Programmable I/O | 36 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| RAM Size | 256B |
| RoHS Compliant | Yes |
| Series | 89LP |
| Watchdog Timer | Yes |
| RoHS | Compliant |
Download the complete datasheet for Microchip AT89LP51-20JU to view detailed technical specifications.
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