Other important features of these microcontrollers are: complete 8042 keyboard control functions, local 16 x 8 keyboard switch matrix support, two industry standard serial keyboard interface, low power CHMOS technology, 5 LED drivers, 4-channel 8-bit A/D converter, interface for up-to 32 Kbytes of external memory, 256 bytes data RAM, three multifunction I/O ports, 10 interrupt sources with 6 user-definable external interrupts, 2-16MHz clock frequency, etc.
其他重要的特征，这些微控制器是：完成8042键盘控制功能，当地16 × 8键盘开关矩阵的支持，两个行业标准的串行键盘接口，低功耗CHMOS技术，5个LED驱动器，4通道8位A/D转换器，接口为最新的32 KB的外部存储器，256字节数据RAM ，三个多功能I/O端口，10个中断源6用户可定义外部中断，2 - 16MHz的时钟频率等，也可在5V的版本。
When a memory array is organized in pages of memory cells that are sensed in parallel, with the sources in each page coupled to a page source line, the reference point is selected to be at the page source line of a selected page via a multiplexor.
当存储器阵列被组织成并行感测的存储器单元页(其中每一页中的源极耦合至页源极线)时，经由多路复用器将所述基准点选择为位于所选页的页源极线处。
Four 8-bit I/O Ports C Three 16-bit Timer/Counters C 256 Bytes Scratch Pad RAM C 8 Interrupt Sources with 4 Priority Levels C Dual Data Pointer Variable Length MOVX for Slow RAM/Peripherals High-speed Architecture C 10 to 40 MHz in Standard Mode 16K/32K Bytes On-Chip ROM Program T80C51RD2 ROMless Versions On-Chip 1024 bytes Expanded RAM C Software Selectable Size (0, 256, 512, 768, 1024 bytes) C 256 Bytes Selected at Reset for AT87C51RB2/RC2 Compatibility Keyboard Interrupt Interface on Port P18-bit Clock Prescaler 64K Program and Data Memory Spaces Improved X2 Mode with Independant Selection for CPU and Each Peripheral Programmable Counter Array 5 Channels with: C High-speed Output C Compare/Capture C Pulse Width Modulator C Watchdog Timer Capabilities Asynchronous Port Reset Full Duplex Enhanced UART Dedicated Baud Rate Generator for UART Low EMI Hardware Watchdog Timer (One-time Enabled with Reset-out) Power Control Modes C Idle Mode C Power-down Mode C Power-off Flag Power Supply: 2.7V to 5.5V or 2.7V to 3.6V Temperature Ranges: Commercial (0 to +70C) and Industrial (-40C to +85C) Packages: PDIL40, PLCC44, VQFP44
四8位I/O端口C款三16位定时器/计数器 256字节RAM的便笺簿 8中断源4优先级和C双数据指针MOVX在缓变长内存/外设高速架构为C 10至40 MHz的标准模式16K/32K字节的片上ROM程序T80C51RD2无ROM版本片1024字节扩展RAMC软件可选尺寸（0，256，512，768，1024字节）C选取在重置为AT87C51RB2/RC2兼容键盘中断接口与独立的选择港口小一8位时钟分频器64K的程序和数据存储器空间的改进X2模式的CPU和256字节每个外设可编程计数器5通道的阵列：C型高速输出C比较/脉宽调制器捕获看门狗定时器复位功能异步端口全双工增强型UART的波特率发生器的UART低EMI硬件看门狗定时器电源控制模式空闲模式C掉电模式C断电旗电源：2.7V至5.5V或2.7V至3.6V温度范围：商业（0到+70 C）和工业（- 40C至+85℃）封装：PDIL40，PLCC44，VQFP44
This design is the first solid-state memory system for satellite, which can confront with multi-clock sources and multi-data sources compatibly.
本星载固存系统是我国星载固存系统中第一个采用多数据源，多时钟源进行兼容设计的单一固存系统；
Lithium ion batteries (LIB), as power sources have attracted special attention in the scientific and industrial fields due to their high energy density, high electromotive force, no memory effect and long cycle life as compared with the traditional second batteries.
与传统的二次电池相比，锂离子电池因具有高能量密度、高工作电压、无记忆效应、循环寿命长等突出特点，受到了各国学者的广泛关注，其应用领域也在不断扩大。
Formaldehyde, which is one of the familiar air pollutions in the newly decorated rooms, with an extensive sources and great toxicity, can cause the symptom of neurasthenic, such as memory letdown and lethargy.
其中甲醛是装修后的建筑室内空气中常见的污染物之一，因其毒性较大，能使人出现记忆力减退、嗜睡等神经衰弱症状，已被WHO定为可疑致癌物。
TL084MJ Pinout: 3.3V Operation with 5V Tolerant Buffers ACPI 1.1, PC99/PC2001 Compliant LPC Interface with Clock Run Support Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems 15 Direct IRQs Four 8-Bit DMA Channels ACPI SCI Interface nSMI Shadowed write only registers Internal 64K Flash ROM Programmed From Direct Parallel Interface, 8051, or LPC Host 2k-Byte Lockable Boot Block Can be Programmed Without 8051 Intervention Three Power Planes Low Standby Current in Sleep Mode Intelligent Auto Power Management for Super I/O ACPI Embedded Controller Interface Configuration Register Set Compatible with ISA Plug-and-Play Standard (Version 1.0a) High-Performance Embedded 8051 Keyboard and System Controller Provides System Power Management System Watch Dog Timer 8042 Style Host Interface Supports Interrupt and Polling Access 256 Bytes Data RAM On-Chip Memory-Mapped Control Registers Access to RTC and CMOS Registers Up to 16x8 Keyboard Scan Matrix Two 16 Bit Timer/Counters Integrated Full-Duplex Serial Port Interface Eleven 8051 Interrupt Sources Thirty-Two 8-Bit, Host/8051 Mailbox Registers Thirty-six Maskable Hardware Wake-Up Events Fast GATEA20
TL084MJ引脚说明：3.3V工作电压为5V容错缓冲器的ACPI 1.1，PC99/PC2001符合LPC接口与时钟运行支持-兼容串行接口与串行的IRQ IRQ的支持PCI系统- 15直接的IRQ - 4个8位DMA通道- ACPI的SCI接口- nSMI -阴影只写寄存器内部的64K的Flash ROM -直接从程序并行接口，8051，还是LPC主机-的2K字节可锁定引导块-可在不干预程序8051三力飞机-低待机电流在休眠模式-智能型自动电源管理的超级I/O的ACPI嵌入式控制器接口配置寄存器设置兼容的ISA拆开的播放标准（版本1.0a）高性能嵌入式8051键盘和系统控制器-提供系统电源管理-系统监视狗定时器- 8042型主机接口-支持中断和轮询访问- 256字节数据RAM -片上存储器映射控制寄存器-获取实时时钟和CMOS寄存器-最多16x8矩阵键盘扫描- 2个16位定时器/计数器-综合全双工串行接口- 11个中断源8051 - 32个8位，Host/8051邮箱寄存器- 36个可屏蔽硬件唤醒事件-快速GATEA20