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AT89LP51IC2 PDF预览

AT89LP51IC2

更新时间： 2024-11-25 14:53:11
品牌 Logo 应用领域
美国微芯 - MICROCHIP PC
页数 文件大小 规格书
254页 7643K
描述
Single-cycle microcontroller with 32KB ISP flash and 12-clock compatibility mode. It includes 1408 bytes RAM, 2KB ROM with UART-based Bootloader, PWM, UART, TWI, SPI, PCA, up to 42 I/Os, 10-bit A/D, dual Analog Comparators, an internal 8MHz RC oscillator, dual Oscillator support and on-chip debug.

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AT89LP51IC2 数据手册

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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  
8-bit Flash  
– On-chip 1152 Bytes Expanded RAM (ERAM)  
• Software Selectable Size (0, 256, 512, 768, 1024 or 1152 Bytes)  
– Dual Data Pointers  
Microcontroller  
with 24K/32K  
bytes Program  
Memory  
– 4-level Interrupt Priority  
• Nonvolatile Program and Data Memory  
– 24KB/32KB of In-System Programmable (ISP) Flash Program Memory  
– 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  
AT89LP51RB2  
AT89LP51RC2  
AT89LP51IC2  
Preliminary  
• 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 (AT89LP51IC2)  
– 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)  
3722A–MICRO–10/11  
1234567...254

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