8-bit CISC microcontroller featuring a 20 MHz 8051 core with 64KB Flash program memory and 2.25KB RAM. This surface-mount device offers 40 programmable I/Os, three timers, and SPI/UART interfaces. Housed in a 44-pin VQFN EP package (7x7x0.88mm) with an exposed pad, it operates from 2.5V to 5.5V and supports 8 ADC channels. Ideal for embedded applications requiring robust performance within a compact footprint.
PackageVQFN EP
MountingSurface Mount
Quick Jump:
Technical Specifications
Microchip AT89LP51RD2-20MUR technical specifications.
General
Basic Package Type
Non-Lead-Frame SMT
Package Family Name
QFN
Package/Case
VQFN EP
Package Description
Very Thin Quad Flat No Lead Package, Exposed Pad
Lead Shape
No Lead
Pin Count
44
PCB
44
Package Length (mm)
7
Package Width (mm)
7
Package Height (mm)
0.88
Seated Plane Height (mm)
0.9
Pin Pitch (mm)
0.5
Package Material
Plastic
Mounting
Surface Mount
Family Name
AT89
Data Bus Width
8bit
Instruction Set Architecture
CISC
Maximum Clock Rate
20MHz
Maximum CPU Frequency
20MHz
Device Core
8051
Program Memory Type
Flash
Program Memory Size
64KB
RAM Size
2.25KB
Number of Programmable I/Os
40
Core Architecture
8051
Programmability
Yes
Number of Timers
3
Interface Type
SPI/UART
CAN
0
I2C
0
SPI
1
Ethernet
0
UART
1
USART
0
USB
0
I2S
0
Max Operating Supply Voltage
5.5V
Min Operating Temperature
-40°C
Max Operating Temperature
85°C
ADC Channels
8
Number of ADCs
Single
Compliance
Cage Code
60991
EU RoHS
Yes
HTS Code
8542310001
Schedule B
8542310000
Automotive
No
AEC Qualified
No
PPAP
No
RoHS Versions
2011/65/EU, 2015/863
Datasheet
Microchip AT89LP51RD2-20MUR Datasheet
Download the complete datasheet for Microchip AT89LP51RD2-20MUR to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.