读写SD卡的驱动程序,里面有使用说明,大家自己看

用STC12C5A60S2 编写的PWM波3路输出，使用定时器，按键可控制频率一千赫兹到十千赫兹之间。使用了内部2个定时器。

凌云逻辑CS4360音频DAC的参数设置代码，缺省为I2S六声道。- Reaches the clouds logical CS4360 the audio frequency DAC parameter establishment code, lacks the province is the I2S six sound tracks.

提示：你将赚取积分（0-20）的基础上，你的产品质量

一本讲arm存储结构的书。-an arm storage structure stresses the book.

HG12684 俄罗斯方块程序 自编的，测试好用，KILE开发的-Tetris HG12684 own procedures, and test use, KILE development

arm开发，基于linux环境的一些重要的配置程序-arm development environment based on Linux some of the important procedures for the allocation of

Communication helper for stixxxx based systems. Usally used in firmware uploaders.

Realizing an MP3 player with the LPC2148, using libmad and EFSL This Application Note describes how to integrate the libmad MPEG 1/2 layer 3 library and the Embedded File System Library EFSL in a LPC2148 device to realize MP3 player. The Keil MCB2140 board is used to test the application and the Rowley CrossStudio for ARM has been chosen as a reference tool-chain. -Realizing an MP3 player with the LPC2148, using libmad and EFSL This Application Note describes how to integrate the libmad MPEG 1/2 layer 3 library and the Embedded File System Library EFSL in a LPC2148 device to realize MP3 player. The Keil MCB2140 board is used to test the application and the Rowley CrossStudio for ARM has been chosen as a reference tool-chain.

本示例描述如何切换个 GPIO 引脚连接 AHB 总线上。 PD12，PD13，PD14 和 PD15 （在输出推挽模式中配置） 在一个永远循环切换。 -设置 PD12、 PD13、 PD14 和 PD15 的 BSRRL 中设置相应位注册 -重置 PD12、 PD13、 PD14 和 PD15 的 BSRRH 中设置相应位注册

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