AT89LP51ED2-20AAU
- Mfr.Part #
- AT89LP51ED2-20AAU
- Manufacturer
- Microchip Technology
- Package / Case
- 44-LQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 44LQFP
- Stock
- 188
- In Stock :
- 188
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Product Status :
- Active
- Data Converters :
- A/D 7x10b
- Bit Size :
- 8
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- RoHS :
- Details
- Interface :
- 2-Wire, EBI/EMI, I2C, SPI, UART, USART
- Connectivity :
- EBI/EMI, I2C, SPI, UART/USART
- Data Converter :
- A/D 7x10b
- Brand :
- Microchip Technology / Atmel
- Max Supply Voltage :
- 5.5 V
- Terminal Position :
- QUAD
- RAM (bytes) :
- 2304
- Number of Programmable I/O :
- 36
- Series :
- 89LP
- Published :
- 1997
- Memory Type :
- Flash
- Frequency :
- 20MHz
- JESD-609 Code :
- e3
- Supply Current-Max :
- 7 mA
- Min Supply Voltage :
- 2.4 V
- Height Seated (Max) :
- 1.6mm
- Program Memory Type :
- Flash
- Height :
- 1.6 mm
- Data Bus Width :
- 8B
- Max Operating Temperature :
- 85 °C
- Base Part Number :
- AT89LP51ED2
- Supplier Device Package :
- 44-LQFP (10x10)
- Reach Compliance Code :
- Compliant
- External Data Bus Width :
- 8
- DAC Channels :
- yes
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Packaging :
- Tray
- Speed :
- 20MHz
- CPU Family :
- 8051
- Number of I/Os :
- 36 I/O
- Core Size :
- 8-Bit
- Minimum Operating Temperature :
- - 40 C
- Oscillator Type :
- Internal
- Manufacturer :
- Microchip
- Package :
- Tray
- RAM Size :
- 2.25K x 8
- DMA Channels :
- No
- Surface Mount :
- yes
- Interface Type :
- 2-Wire, SPI, UART
- Package Shape :
- Square
- Supply Voltage :
- 3V
- ROM (words) :
- 65536
- Core Processor :
- 8051
- Pbfree Code :
- yes
- Length :
- 10mm
- Temperature Grade :
- Industrial
- Number of Terminations :
- 44
- Voltage - Supply (Vcc/Vdd) :
- 2.4V~5.5V
- Number of Pins :
- 44
- Max Frequency :
- 20 MHz
- Factory Lead Time :
- 8 Weeks
- Program Memory Size :
- 64KB 64K x 8
- Terminal Form :
- Gull wing
- Mounting Type :
- Surface Mount
- ROM Programmability :
- Flash
- Terminal Finish :
- Matte Tin (Sn)
- EEPROM Size :
- 4K x 8
- Seated Height-Max :
- 1.6 mm
- Watchdog Timer :
- yes
- Number of Terminals :
- 44
- Interfaces :
- SPI/UART
- PWM Channels :
- yes
- Base Product Number :
- AT89LP51
- Qualification Status :
- Not Qualified
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Mounting Style :
- SMD/SMT
- Power Supplies :
- 2.5/5V
- Supply Voltage-Max (Vsup) :
- 5.5V
- Core Architecture :
- 8051
- Terminal Pitch :
- 0.8mm
- Number of I/O Lines :
- 40
- Product Type :
- 8-bit Microcontrollers - MCU
- Maximum Operating Temperature :
- + 85 C
- Has ADC :
- yes
- Width :
- 12 mm
- Package / Case :
- 44-LQFP
- Address Bus Width :
- 16
- Memory Size :
- 64KB
- Number of ADC Channels :
- 8 Channel
- Min Operating Temperature :
- -40 °C
- Supply Voltage-Min (Vsup) :
- 2.4V
- Number of Timers/Counters :
- 3
- Operating Temperature :
- -40°C~85°C TA
- Product Category :
- 8-bit Microcontrollers - MCU
- Mount :
- Surface Mount
- JESD-30 Code :
- S-PQFP-G44
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O :
- 40
- Device Core :
- 8051
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- AT89LP51ED2-20AAU
AT89LP51ED2-20AAU Documents

Microcontrollers Microchip Technology AT89LP51ED2-20AAU Overview
The Microcontrollers Microchip Technology AT89LP51ED2-20AAU is a highly versatile and powerful microcontroller that stands out in the world of embedded systems. Designed by Microchip Technology, this MCU is built on an 8-bit architecture and includes 64KB of Flash memory, offering ample space and speed for complex applications. The compact 44LQFP package makes it ideal for space-constrained applications while ensuring robust performance across a range of operating conditions. With its advanced features and compatibility with various programming environments, the AT89LP51ED2-20AAU is a top choice for developers looking to create scalable and reliable industrial applications.
AT89LP51ED2-20AAU Features
This microcontroller includes several key features that make it suitable for a wide range of applications:
- 8-bit CPU for efficient processing
- 64KB of Flash memory for program storage
- Enhanced interface options including full-duplex UART, SPI, and I²C
- Low power consumption with power-saving modes
- Wide operating voltage and temperature range
- 44-pin LQFP package for compact integration
AT89LP51ED2-20AAU Applications
- Industrial Control Systems: Utilized for managing machinery operations and processes, ensuring high reliability and precision in environments that demand robustness.
- Consumer Electronics: Serves as the control hub in devices such as home appliances and gaming consoles, where efficient processing and interfacing capabilities are crucial.
- Automotive Applications: Used in vehicle systems for enhancing functionalities such as dashboard controls, sensor integrations, and engine management systems.
- Communication Equipment: Employs its communication interfaces in devices like modems and routers for reliable data transmission and network management.
- Home Automation Systems: Ideal for smart home devices, facilitating connectivity and control over household functions, improving convenience and energy efficiency.
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