AT89LP51ED2-20JU  MCU 8BIT 64KB FLASH PLCC44

http://www.atmel.com/Images/doc3714s.pdf

 

Features

• 8-bit Microcontroller Compatible with 8051 Products

• Enhanced 8051 Architecture

– Single Clock Cycle per Byte Fetch

– 12 Clock per Machine Cycle Compatibility Mode

– Up to 20 MIPS Throughput at 20 MHz Clock Frequency

– Fully Static Operation: 0 Hz to 20 MHz

– On-chip 2-cycle Hardware Multiplier

– 16x16 Multiply–Accumulate Unit

– 256 x 8 Internal RAM

– On-chip 2KB Expanded RAM (ERAM)

• Software Selectable Size (0, 256, 512, 768, 1024, 1792, 2048 Bytes)

– Dual Data Pointers

– 4-level Interrupt Priority

• Nonvolatile Program and Data Memory

– 64KB of In-System Programmable (ISP) Flash Program Memory

– 4KB of EEPROM (AT89LP51ED2/ID2 Only)

– 512-byte User Signature Array

– Endurance: 10,000 Write/Erase Cycles

– Serial Interface for Program Downloading

– 2KB Boot ROM Contains Low Level Flash Programming Routines and a Default 

Serial Bootloader

• Peripheral Features

– Three 16-bit Enhanced Timer/Counters

– Seven 8-bit PWM Outputs

– 16-bit Programmable Counter Array

• High Speed Output, Compare/Capture

• Pulse Width Modulation, Watchdog Timer Capabilities

– Enhanced UART with Automatic Address Recognition and Framing 

Error Detection

– Enhanced Master/Slave SPI with Double-buffered Send/Receive

– Two Wire Interface 400K bit/s

– Programmable Watchdog Timer with Software Reset

– 8 General-purpose Interrupt and Keyboard Interface Pins

• Special Microcontroller Features

– Dual Oscillator Support: Crystal, 32 kHz Crystal, 8 MHz Internal (AT89LP51ID2)

– Two-wire On-Chip Debug Interface

– Brown-out Detection and Power-on Reset with Power-off Flag

– Selectable Polarity External Reset Pin

– Low Power Idle and Power-down Modes

– Interrupt Recovery from Power-down Mode

– 8-bit Clock Prescaler

• I/O and Packages

– Up to 40 Programmable I/O Lines

– Green (Pb/Halide-free) PLCC44, VQFP44, QFN44, PDIP40

– Configurable I/O Modes

• Quasi-bidirectional (80C51 Style), Input-only (Tristate)

• Push-pull CMOS Output, Open-drain

• Operating Conditions

– 2.4V to 5.5V VCC Voltage Range

– -40°C to 85°C Temperature Range

– 0 to 20 MHz @ 2.4V–5.5V (Single-cycle)