AT89LP428

Features 8-bit Microcontroller Compatible with MCS®51 Products Enhanced 8051 Architecture – Single-clock Cycle per Byte Fetch – Up to 20 MIPS Throughput at 20 MHz Clock Frequency – Fully Static Operation: 0 Hz to 20 MHz – On-chip 2-cycle Hardware Multiplier – 256 x 8 Internal RAM – 512 x 8 Internal Extra RAM – Dual Data Pointers – 4-level Interrupt Priority Nonvolatile Program and Data Memory – 4K/8K Bytes of In-System Programmable (ISP) Flash Program Memory – 512/1024 Bytes of Flash Data Memory – Endurance: Minimum 100,000 Write/Erase Cycles (for Both Program/Data Memories) – Serial Interface for Program Downloading – 64-byte Fast Page Programming Mode – 128-byte User Signature Array – 2-level Program Memory Lock for Software Security – In-Application Programming of Program Memory Peripheral Features – Three 16-bit Enhanced Timer/Counters – Two 8-bit PWM Outputs – 4-channel 16-bit Compare/Capture/PWM Array – Enhanced UART with Automatic Address Recognition and Framing Error Detection – Enhanced Master/Slave SPI with Double-buffered Send/Receive – Programmable Watchdog Timer with Software Reset – Dual Analog Comparators with Selectable Interrupts and Debouncing – 8 General-purpose Interrupt Pins Special Microcontroller Features – 2-wire On-chip Debug Interface – Brown-out Detection and Power-on Reset with Power-off Flag – Active-low External Reset Pin – Internal RC Oscillator – Low Power Idle and Power-down Modes – Interrupt Recovery from Power-down Mode I/O and Packages ...