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.
Frequency20MHz
PackagePLCC
MountingSurface Mount
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Technical Specifications
Microchip AT89LP51-20JU technical specifications.
General
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
Compliance
RoHS
Compliant
Datasheet
Microchip AT89LP51-20JU Datasheet
Download the complete datasheet for Microchip AT89LP51-20JU to view detailed technical specifications.
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