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AT89LP51ED2 Datasheet
Part Number
AT89LP51ED2
Manufacturers
ATMEL
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Description
8-bit Microcontroller
Datasheet
AT89LP51ED2 Datasheet (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 I.
8-bit Microcontroller
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 In.
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