Microchip AT89LP51ID2-20AAU Microcontrollers
IC MCU 8BIT 64KB FLASH 44LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT89LP51ID2-20AAU
Detailed Description
Advanced Microchip AT89LP51ID2-20AAU Microcontrollers for precision electronics.
Package
44-LQFP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AT89LP51ID2-20AAU Datasheet
Quick Jump:
Technical Specifications
Microchip AT89LP51ID2-20AAU Microcontrollers technical specifications.
General
Series
89LP
RAM Size
2.25K x 8
Package / Case
44-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.4V ~ 5.5V
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
40
Speed
20MHz
EEPROM Size
4K x 8
Alternate Parts Comparison (AT89LP51ID2-20AAU vs AT80C51RD2T-RLTUM vs AT89C51RD2T-RLTUM vs AT89C51RC2-RLTUM)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 44-LQFP | 44-LQFP | 44-LQFP | 44-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.4V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | 8051 | 80C51 | 80C51 | 80C51 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2.25K x 8 | 1K x 8 | 2K x 8 | 1.25K x 8 |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART | UART/USART | SPI, UART/USART | SPI, UART/USART |
| Number of I/O | 40 | 32 | 34 | 32 |
| Oscillator Type | Internal | Internal | External | External |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT | POR, PWM, WDT |
| Program Memory Type | Flash | ROMless | Flash | Flash |
| Action |
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