RTC using i2c communication

应用背景The CMX990 provides, on-chip: a flexible, formattable GMSK packet and freeformat modem, a dual synthesiser fed from an external source, IF and RF transceiver stages for both Rx and Tx modes, and auxiliary ADCs and DACs for system control and monitoring.关键技术Operating in the range of 400MHz to 1GHz at data rates of 4 to 16 kbps. This single-chip, half-duplex device requires a minimum of external components, keeping end-product board size, power consumption and cost to an absolute minimum. The versatile GMSK modem is configured for either packet and freeformat data operation via an efficient task-oriented Rx and Tx format and command structure combined with data scrambling, interleaving and FEC and CRC capabilities. Rx data acquisition, extraction and tracking functions use Rx data-quality feedback to support varying signal environments. IF and RF functions in the Tx path handle all the signal processing requi

温度检测SDFFSDTGDFHRTUJTYJUTYJTY-TEMPERATUREDFYHGRTDYJFGHTRUJYTY

可以直接吧点阵转换成16进制，可以逐行、逐列-Bar lattice can be directly converted into 16 hex

嵌入式的usb驱动程序，能顺利运行，对像学习嵌入式底层开发的朋友来说很有用，大家多交流-Embedded usb drivers, smooth running, like the bottom of the development of embedded learning is very useful friends, we more exchanges

PWM输出实验，熟悉PWDM模块的基本原理及应用，使用PWDM6输出一个固定占空比的单边沿控制PWM信号，通过滤波电路实现DAC转换 EasyARM2200 平台，ADS1.2开发环境-PWM output experiment, familiar with the basic principles of PWDM modules and applications, the use of a fixed duty cycle output PWDM6 single-edge PWM control signal, through the filter circuit EasyARM2200 realize DAC conversion platform, ADS1.2 Development Environment

二叉树搜索树的比较课程作业对数据结构会有更好的认识-Comparison of binary search tree data structures will be course work for a better understanding of

是现在非常流行的network processor上的微代码的编程，是其中基于最新的IXP2850的crypto units的ipsec的一个例子，告诉大家如何利用已有的宏以及调用硬件资源。-is now very popular network processor on the micro-code programming. which is based on the latest IXP2850 the crypto units of the ipsec an example, tell you how to make use of the call-and hardware resources.

at9am55800启动源程序，简单易懂，初学者容易上手-at9am55800 boot source

国内还比较新的network processor的微代码开发，关于macro的用法的例子，用的uc语言，告诉你如何利用已有的宏和调用硬件资源。-domestic still relatively new network of micro-processor code development, on the macro examples of the usage of the use of uc language, tell you how to make use of the call-and hardware resources.

At91RM9200键盘代码（Ｃ）--Source code for At91RM9200 keyboard. ( C code)