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P89LPC925 PDF预览

P89LPC925

更新时间: 2024-10-26 22:44:35
品牌 Logo 应用领域
恩智浦 - NXP 转换器闪存微控制器时钟
页数 文件大小 规格书
49页 223K
描述
8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter

P89LPC925 数据手册

 浏览型号P89LPC925的Datasheet PDF文件第2页浏览型号P89LPC925的Datasheet PDF文件第3页浏览型号P89LPC925的Datasheet PDF文件第4页浏览型号P89LPC925的Datasheet PDF文件第5页浏览型号P89LPC925的Datasheet PDF文件第6页浏览型号P89LPC925的Datasheet PDF文件第7页 
P89LPC924/925  
8-bit microcontrollers with accelerated two-clock 80C51 core  
4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter  
Rev. 03 — 15 December 2004  
Product data  
1. General description  
The P89LPC924/925 are single-chip microcontrollers designed for applications  
demanding high-integration, low cost solutions over a wide range of performance  
requirements. The P89LPC924/925 is based on a high performance processor  
architecture that executes instructions in two to four clocks, six times the rate of  
standard 80C51 devices. Many system-level functions have been incorporated into  
the P89LPC924/925 in order to reduce component count, board space, and system  
cost.  
2. Features  
2.1 Principal features  
4 kB/8 kB Flash code memory with 1 kB erasable sectors, 64-byte erasable page  
size, and single byte erase.  
256-byte RAM data memory.  
Two 16-bit counter/timers. Each timer may be configured to toggle a port output  
upon timer overflow or to become a PWM output.  
Real-Time clock that can also be used as a system timer.  
4-input 8-bit multiplexed A/D converter/single DAC output. Two analog  
comparators with selectable inputs and reference source.  
Enhanced UART with fractional baud rate generator, break detect, framing error  
detection, automatic address detection and versatile interrupt capabilities.  
400 kHz byte-wide I2C-bus communication port.  
Configurable on-chip oscillator with frequency range and RC oscillator options  
(selected by user programmed Flash configuration bits). The RC oscillator (factory  
calibrated to ±1 %) option allows operation without external oscillator  
components. Oscillator options support frequencies from 20 kHz to the maximum  
operating frequency of 18 MHz. The RC oscillator option is selectable and fine  
tunable.  
2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or  
driven to 5.5 V).  
15 I/O pins minimum. Up to 18 I/O pins while using on-chip oscillator and reset  
options.  

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