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Description: 本SD卡高度集成闪存，具备串行和随机存取能力。可以通过专用优化速度的串行接口访问，数据传输可靠。接口允许几个卡垛叠，通过他们的外部连接。接口完全符合最新的消费者标准，叫做SD卡系统标准，由SD卡系统规范定义。-The highly integrated flash memory SD card with serial and random access ability. Can be through a dedicated serial interface optimized speed access, reliable data transmission. Interface allows several cards stacked pile, through their external connections. Interface in full compliance with the latest consumer standard, called the SD card system standard SD card system from the definition of norms.
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Size: 1373184 |
Author: chenq |
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Description: PDF文档，51单片机与SD卡接口设计方案，包含详细的设计思路，来自万方数据。-PDF document, 51 SCM and SD card interface design, detailed design, from万方data.
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Size: 344064 |
Author: 吴国瑞 |
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Description: 整理好的最全的S3C2440中文资料，包含18章节。如下：第1章 产品概述
第2章 处理器工作模式
第5章 内存控制器
第6章 Nand Flash控制器
第7章 时钟与电源管理
第8章 直接存储器存取
第10章 PWM及定时器
第11章 UART
第14章 中断控制器
第16章 ADC和触摸屏接口
第17章 实时时钟
第18章 看门狗定时器
第19章 MMC/SD/SDIO控制器
第20章 IIC总线接口
第21章 IIS总线接口
第22章 SPI（串行外围设备接口）
第24章 AC97控制器。
网上一般只能找到四五章节。-Finishing S3C2440 good most of the Chinese data, contains 18 chapters. As follows: Chapter 1 Product Overview Chapter 2 processor mode Chapter 5 Memory Controller Chapter 6 Nand Flash controller clock Chapter 7 and Chapter 8 Power Management direct memory access and Chapter 10 PWM timer section 11 Chapter 14 Chapter UART interrupt controller Chapter 16 ADC and touch screen interface Chapter 17 Real Time Clock Chapter 18 Watchdog Timer Chapter 19 MMC/SD/SDIO controller Chapter 20 IIC Bus Interface IIS total Chapter 21 Chapter 22 line interface SPI (serial peripheral interface) Chapter 24 AC97 controller. Internet in general can only find four or five chapters.
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Size: 4360192 |
Author: |
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Description: PXA27x的MMC/SD IO控制器在访问PXA27x处理器的软件与MMC存储堆和支持MMC、SD及SDIO通信协议之间充当联结作用。PXA27x的MMC控制器协议规范遵守多媒体卡系统规范V3.2（MultiMediaCard System Specification Version 3.2)；SD控制器支持一个基于SD存储卡规范V1.01（SD Memory Card Specification Version 1.01）SD卡或基于SDIO卡规范V1.0( SDIO Card pecification Version 1.0)。MMC/SD/SDIO控制器采用标准的MMC传输协议或串行通信接口SPI协议模式。访问PXA27x的软件使用MMC传输协议或SPI模式作为与MMC控制器通信的协议。-PXA27x the MMC/SD/SDIO controller in the PXA27x processor to access the software and MMC memory heap and support MMC, SD and SDIO act as a link between the role of communication protocols. PXA27x MMC controller protocol specification to comply with the Multimedia Card System Specification V3.2 (MultiMediaCard System Specification Version 3.2) SD controller supports an SD memory card standard based on V1.01 (SD Memory Card Specification Version 1.01) SD card or SDIO card based on Specification V1.0 (SDIO Card pecification Version 1.0). MMC/SD/SDIO MMC controller in a standard transmission protocol or serial communication interface SPI protocol mode. Software used to access PXA27x MMC or SPI mode of transport protocol as communication protocol with the MMC controller.
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Size: 12288 |
Author: sxf |
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Description: 这是我自已为实验室画的基于STM32的PCB，现在将原理图及PCB全部分享，图是用PROTEL 99SE绘制的。可能会有布线不合理之处，仅供大家参考。
实验板资源介绍
1）CPU为100脚STM32F103XX
2）TFTLCD
3）SD卡
4）4X4键盘模块及四个独立按键
5）ISP下载口及20脚JTAG下载口
6）RS232接口、RS485接口、PS/2接口、USB接口
7）I/O口驱动的蜂鸣器
8）I2C口驱动的AT24C02
9）三线SPI接口的DS1302
10）单路ADC
11）两路LED灯，方便实验板调试
-This is my own paintings for the laboratory-based STM32 of the PCB, schematic and PCB will now all share, map is drawn with PROTEL 99SE. Wiring may be unreasonable, only for your reference. Experimental board resource describes 1) CPU is 100 feet STM32F103XX 2) TFTLCD 3) SD cards 4) 4X4 keypad module and four separate buttons 5) ISP download port and 20-pin JTAG download port 6) RS232 Interface, RS485 Interface, PS/2 Interface, USB Interface 7) I/O port driver buzzer 8) I2C port driven AT24C02 9) three-wire SPI interface, the DS1302 10) single ADC 11) Two LED lights, to facilitate debugging test board
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Size: 869376 |
Author: 彬彬有礼 |
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Description: Interface with a tft 2.8 display and a SD card of 4Gb. Can write and read files on the card.
(Using 32MX795F512L and C32).
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Size: 352256 |
Author: john |
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