GPRS的AT指令集，对搞GPRS的同行可是雪中送炭啊。

蓝海微芯ARM开发板底板原理图,采用s3c2410处理器-BlueOcean Chipscreen ARM development board backplane schematic diagram, using S3C2410 processor

LCD Driver datasheet The SPF54126A, a 262144-color System-on-Chip (SoC) driver LSI designed for small and medium sizes of TFT LCD display, is capable of supporting up to 176xRGBx220 in resolution which can be achieved by the designated RAM for graphic data. The 528-channel source driver has true 6-bit resolution, which generates 64 Gamma-corrected values by an internal D/A converter. The source driver of SPFD54126A adopts OP-AMP structure to enhance display quality and it cooperates with advanced circuitry techniques to reduce power consumption.

1．能正常计时。显示模式分为24小时制和12小时制。其中12小时制须显示上、下午。“时”、“分”、“秒”都要显示。 2．具有快速校准时、分、秒的功能。手动校准，用一个功能键选择校时、校分功能，用另一功能键调校对应时、分数值。 3．整点自动报时。在离整点10s时，便自动发出鸣叫声，步长1s，每隔1s鸣叫一次，前四响是低音，最后一响为高音，最后一响结束为整点。 -1. To resume normal time. Display mode is divided into 24-hour and 12-hour clock. Including 12-hour clock to be displayed on the afternoon. "Time", "sub", "seconds" must be displayed. 2. Fast calibration, minutes and seconds functions. Manual calibration, using a function button to select the school, the school hours functions, corresponding with another function key set, the score values. 3. The whole point of automatic timekeeping. The whole point away from the 10s, they automatically send calls, step 1s, at intervals of 1s tweet once, the first four bass sound is the last one for the treble ring, ring the end of the last one for the whole point.

energy meter ICs schematic library for altium

EUROPEAN STANDARD EN 50221 Common Interface Specification for Conditional Access and other Digital Video Broadcasting Decoder Applications-EUROPEAN STANDARD EN 50221 Common Interfa ce Specification for Conditional Access and ot her Digital Video Broadcasting Decoder Applic ations

基于89S51单片机的双步进电机协调控制器的设计带RS485功能-89S51-based single-chip dual stepper motor controller design coordination function with RS485

提出了一种用于矢量量化的改进的聚类算法,该算法在MKM(Modified K-Means)算法的框架的基础上,对初始码本的生成、失真测度的选择、非典型胞腔的处理等方面进行了改进,从而减少了原算法在能量和增益上对聚类结果的影响.并将该算法应用于波形编辑孤立字识别器,这种识别器直接对语音样本的时域波形进行训练和聚类,不需要提取语音参数,算法复杂度较低,加上提出的聚类算法失真测度简单易实现,对芯片的运算能力要求不高,非常适用于有低成本要求的语音识别器场合.通过中文元音字识别的实验证明,在相同码本尺寸下,运用改进后的聚类算法的识别器的识别率有所提高. -A Modified MKM Clustering Algorithm and Its Application in Speech Recognition

USB Joystick Source code.

闻亭公司内部关于嵌入式系统开发调试的培训资料-Wintech internal debugging on embedded system development training materials

LPC2300以太网连接原理图.用LPC23系列开发以太网必备.-LPC2300 Ethernet connectivity schematics. LPC23 series with the development of Ethernet required.