The AT89LP51IC2-20AAU is an 8-bit microcontroller compatible with the 8051 architecture, featuring an enhanced design that allows for a throughput of up to 20 MIPS at a clock frequency of 20 MHz. It operates in a fully static mode from 0 Hz to 20 MHz and includes a 2-cycle hardware multiplier and a 16x16 multiply-accumulate unit. The device offers 256 bytes of internal RAM and supports up to 1152 bytes of expanded RAM, which can be configured in software. This microcontroller includes 24KB or 32KB of in-system programmable (ISP) flash program memory, with a write/erase endurance of 10,000 cycles. It features multiple peripheral interfaces, including three 16-bit enhanced timer/counters, seven 8-bit PWM outputs, and an enhanced UART with automatic address recognition. The device supports dual data pointers and has a four-level interrupt priority system. Operating voltage ranges from 2.4V to 5.5V, and it is rated for a temperature range of -40¬8C to 85¬8C. The AT89LP51IC2-20AAU is available in various package types, including 44-lead PLCC, VQFP, and PDIP, and provides up to 40 programmable I/O lines. It also includes features such as brown-out detection, power-on reset, and low power modes, making it suitable for a wide range of embedded applications.
Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PQFP44
8051 89LP Microcontroller IC 8-Bit 20MHz 32KB (32K x 8) FLASH 44-LQFP (10x10)
Manufacturer: Microchip Technology
Win Source Part Number: 1322711-AT89LP51IC2-
Category: Integrated Circuits (ICs)>Embedded>Micro
Packaging: Tray
Core Processor: 8051
Speed: 20MHz
Standard Package: 160
Mounting: Surface Mount
Core Size: 8-Bit
Connectivity: EBI/EMI, I2C, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 40
Program Memory Size: 32KB (32K x 8)
Program Memory Type: FLASH
RAM Size: 1.375K x 8
Data Converters: A/D 7x10b
Oscillator Type: Internal
Supplier Device Package: 44-LQFP (10x10)
Temperature Range - Operating: -40°C ~ 85°C
Case / Package: 44-LQFP
ECCN: EAR99
Fake Threat In the Open Market: 82
MSL Level: 3 (168 Hours)
Voltage - Supply (Vcc/Vdd): 2.4V ~ 5.5V
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
Other Part Number: 1611-AT89LP51IC2-20A
Base Product Number: AT89LP51
RoHS Status: ROHS3 Compliant
IC MCU 8BIT 32KB FLASH 44LQFP Product overview: AT89LP51IC2-20AAU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 32KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 32KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89LP51IC2-20AA
8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V
IC MCU 8BIT 32KB FLASH 44LQFP
IC MCU 8BIT 32KB FLASH 44LQFP
8051 89LP Microcontroller IC 8-Bit 20MHz 32KB (32K x 8) FLASH 44-LQFP (10x10)
8051 89LP Microcontroller IC 8-Bit 20MHz 32KB (32K x 8) FLASH 44-LQFP (10x10)
| Rochester Electronics | DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | AT89LP51IC2-20AAU | AT89LP51IC2-20AAU-ND | 1322711-AT89LP51IC2-20AAU | 685-AT89LP51IC2-20AAU | AT89LP51IC2-20AAU | AT89LP51IC2-20AAU | AT89LP51IC2-20AAU | AT89LP51IC2-20AAU |
| Product Name | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | 8-bit 8BIT 32KB Embedded Microcontroller MCU | 8-bit Microcontrollers - MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers | |
| Data Bus | 8 Bit; 8-Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | ||
| Life Cycle Stage | Active | Active | Active | |||||
| ROM Type | Flash | Flash | Flash; FLASH | |||||
| Package Type | QFP; Other; QFP44 | LFQP; Other; 44-LQFP | QFP; Other; 44-LQFP | Other; Tray | QFP | QFP; Other; 44-LQFP | ||
| Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
