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howtoOpmizetheM25P80
- M25P80是意法半导体公司推出的8M大容量串行接口Flash器件,采用2.7V-3.6V单电源供电,兼容标准的SPI接口,器件在上升沿接收数据,在下降沿发送数据,接口时钟最高为40MHz,支持最大256bytes的快速页面编程操作、快速的块擦除(512Kbit)操作和快速的整体擦除操作具有操作暂停和硬件写保护功能-M25P80 is agreed that the semiconductor company introduced 8M large capacity Serial Interfa
ATmega88_cn
- ATmega48/88/168产品特性 • 高性能、低功耗的8 位AVR® 微处理器 – 256/512/512 字节的EEPROM (ATmega48/88/168) 擦写寿命: 100,000 次 – 512/1K/1K 字节的片内SRAM (ATmega48/88/168) – 具有独立振荡器的实时计数器RTC – 六通道PWM – 8路10 位ADC(TQFP 与MLF 封装) – 6路10 位ADC( PDIP 封装) – 可编程的串
sd
- 实验目的:学习SD卡的操作. 系统设计 1、SD卡采用SPI通信 2、先往SD里顺序写入0-255共256个数据,然后再读回送数码管显示-Experimental Objective: To learn SD card operation. System Design 1, SD card using SPI communication 2, first write to the SD sequence of 0-255 where a total of 256 data, and
25C256EEPROMviaAVR
- example of using SPI EEPROM like 25C128\256 via AVR controllers family.
EN25F32
- The EN25F32 is a 32M-bit (4096K-byte) Serial Flash memory, with advanced write protection mechanisms, accessed by a high speed SPI-compatible bus. The memory can be programmed 1 to 256 bytes at a time, using the Page Program instruction.
W25Q128
- 读操作包括普通读和快速读,由于时间关系,本程序只涉及到普通读。 读操作包括字节操作和字操作 SPI工作时是与CPU相独立的,一定要注意与CPU时序不能冲突 每次最少可擦除 4K ,最大整片擦除 每次最少可写一个 Byte ,最大写 256 Byte-Read operation includes ordinary read and fast read, because of the time, the program involves only ordinary rea
MFRC522SPI
- MFRC522射频读卡程序,硬件SPI读卡,已成功-Chip type : ATmega16L Program type : Application Clock frequency : 8.000000 MHz Memory model : Small External SRAM size : 0 Data Stack size : 256
dma_spi_flash
- 使用stm32f05xx驱动qd25q40b,使用dma+spi方式实现其读写功能,用于程序空间比较小,只开辟256字节进行传输,大于256字节的有spi实现-Use stm32f05xx driver qd25q40b, using dma+ spi mode to realize the read and write functions, used in the program space is small, only 256 bytes transmitted, open up more
c5131-usb-kbd-stand-alone-1_0_2
- he MAX7456 single-channel, monochrome on-screen display (OSD) generator is preloaded with 256 characters and pictographs, and can be reprogrammed in-circuit using the SPI port. The SPI-compatible serial interface programs the operating modes, the dis
21ic下载_自制STM32F103开发板
- STM32F1系列属于中低端的32位ARM微控制器,该系列芯片是意法半导体(ST)公司出品,其内核是Cortex-M3。 该系列芯片按片内Flash的大小可分为三大类:小容量(16K和32K)、中容量(64K和128K)、大容量(256K、384K和512K)。 芯片集成定时器,CAN,ADC,SPI,I2C,USB,UART,等多种功能。(The STM series belongs to the 32 - bit arm microcontroller of the middle and l