AT89LP51RC2-20MU by Microchip Technology

Status: Active
Series: AT89LP51RC2
RoHS: Compliant
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Single-cycle microcontroller with 32KB ISP flash and 12-clock compatibility mode. It includes 1408 bytes RAM, 2KB ROM with UART-base Bootloader, PWM, UART, TWI, SPI, PCA, up to 42 I/Os, 10-bit A/D, dual Analog Comparators, an internal 8MHz RC oscillator, and on-chip debug. The TWI and On-Chip Debug features are not available on 40-pin PDIP package.

Prices starting from US$3.09


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Logo for Avnet America Avnet America US$4.26
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Logo for Microchip Technology Microchip Technology US$3.09
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Specifications

Program Memory Type Flash
Program Memory Size (KB) 32
CPU Speed (MIPS/DMIPS) 20
Data EEPROM (bytes) 0
Capture/Compare/PWM (CCP) 0
Max 8 Bit Digital Timers 0
Number of ADCs 0
ADC Channels 7
Max ADC Resolution (bits) 10
Number of Comparators 0
Temp. Range Min. 0
Temp. Range Max. 0
Operation Voltage Max.(V) 5.5
Operation Voltage Min.(V) 2.4
Pin Count 44
Low Power No
Pins | Packaging 44 | VQFN
Temp Range -40C to +85C
Packing Media Tray (360)

Resources


Application Notes
AN_4345 - Program Examples for 8051 Timers
AN_4346 - Program Examples for 8051 UART
AN_3715 - Migrating from AT89S52 to AT89LP52
AN_4363 - Analyzing the Behavior of an Oscillator and Ensuring Good Start-up
AN_AT89LP - AT89LP ADC Implementation
AN_7764 - Design Guide for 8051 Standard Devices
AN_3713 - Digital Filtering with AT89LP6440
AN_3718 - AT89LP52 Drop-In Replacement of AT89S52
AN_3573 - Migrating from AT89C2051/C4051 to AT89LP2052/LP4052
AN_3593 - AT89LP In-System Programming Specification
AN_3617 - Migrating from Philips P89LPC913 to AT89LP214
AN_4284 - How to Calculate the Capacitor of the Reset Input of an 8051 Microcontroller
AN_0508 - Controlling FPGA Configuration with a Flash-based Microcontroller
AN_0510 - Programming the Family of Flash Memories
AN_0524 - Analog-to-Digital Conversion Utilizing AT89LP MCU without ADC
AN_0597 - A Digital Thermometer Using the AT89LP2052 MCU
AN_0593 - Two-Wire Peripheral Expansion for the AT89LP2052 MCU
AN_8128 - AVR186: Best practices for the PCB layout of Oscillators
AN_3707 - Emulating EEPROM Using AT89LP On-Chip Flash Data Memory
AN_4279 - EMC Improvement Guidelines
AN_1489 - PC-Interfaced Data Aquisition System with the AT89C2051 Microcontroller
AN_3716 - Migrating from AT89C51RB2/RC2/RD2/ED2/IC2/ID2 to AT89LP51RB2/RC2/RD2/ED2/IC2/ID2
AN_0507 - Interfacing AT24CXX Serial EEPROMs with AT89LP MCUs
AN_0521 - Interfacing AT93CXXX Serial EEPROMs with AT89LP MCUs
AN_0628 - Interfacing AT25CXXX Serial EEPROMs with AT89LP MCUs
AN_3658 - AT89LP2052/4052 Primer
AN2468 - Production Programming of Microchip AVR and SAM Microcontrollers
AN_3708 - AT89LP Flash Data Memory API
AN_4214 - Driving Unipolar Stepper Motors Using 8051
AN_3310 - AT89ISP Programmer Cable



Miscellaneous
Hardware Connections for C51 Microcontrollers - This document provides schematics that outline the hardware connections to C51 microcontrollers from USB, CAN, UART, and UART Auto interfaces.
Calculation tool for setting Timers, UART, parameters in 80C51 Microcontrollers - This Excel file allows a user to determine register values for PCA, UART and Timers in order to obtain a specific signal (period and duty cycle) according to the application`
Tables for setting UART parameters in 80C51 Microcontrollers - This Excel file provides configuration tables to allow a user to determine register values for UART according to the application`s oscillator frequency and internal clock mode (X1 or X2).
Atmel8051MCUs_DirectReplacements.pdf
NXP Flash MCU to Atmel Flash MCU Devices, Non-Direct Replacements - This cross reference table helps you choose Atmel Flash MCUs to replace NXP Flash MCUs (these are non-direct replacements that are not pin-to-pin compatible).
Package Adapters of 80C51 Devices - This Excel spreadsheet list available package adapters for Atmel 80C51 microcontrollers



Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.1379
Shipping Weight (kg) 0.627778
Lead Count 44
Package Type VQFN
Package Width or Size 7x7x1mm
Soldering Composition Matte Tin

Alternative Descriptions

Single-Cycle 8051,32K Isp Flash,2.4-5.5V 44 Vqfn 7X7X1Mm Tray Rohs Compliant: Yes |Microchip AT89LP51RC2-20MU | Newark Electronics
MCU 8-bit AT89 8051 CISC 32KB Flash 3.3V/5V 44-Pin MLF EP Tray | Avnet America
Single-Cycle 8051,32K ISP Flash,2.4-5.5V | Microchip Technology


Frequently Asked Questions

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Is the AT89LP51RC2-20MU RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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