在嵌入式系统中，串行外设接口（Serial Peripheral Interface，SPI）及其扩展（如 DSPI 和 QSPI）被广泛应用于与外部设备（如传感器、存储器、LCD 控制器等）高速通信。 SPI（Serial Peripheral Interface）是一种全双工同步串行通信协议，通常由主设备（Master）和从设备（Slave ...

SPI是串行外设接口（Serial Peripheral Interface）的缩写，是一种高速、全双工、同步的通信总线，并且在芯片的管脚上只占用四根线，节约了芯片的管脚，同时为PCB的布局上节省空间，提供方便。其现已发展成为一种工业标准，目前，各半导体公司推出了大量的带有 ...

The SPI is an interface bus that is used to send data between microcontrollers, and/or other peripherals like sensors, flash and EEPROM memory, LCDs, SD Cards, Camera Lenses and many more. Being able ...

串行外设接口（Serial Peripheral Interface，SPI）是由摩托罗拉公司开发的一种全双工同步串行通信接口，广泛应用于微控制器与外围设备之间的数据传输。本文档以MCU与FLASH存储器的通信为实例，深入阐述SPI通信的硬件设计、软件实现和实战应用。

The 23LCV1024 is a 1 Mbit Serial Peripheral Interface (SPI) serial SRAM with battery backup and SDI interface. The memory of the device is accessed via a simple SPI compatible serial bus. The bus ...

September 20th, 2005 – The Intellectual Property (IP) provider - Digital Core Design (DCD) today has announced the release of the DSPI_FIFO and DSPIS IP Cores. The DSPI_FIFO and DSPIS IP Cores ...

Hack a Day’s very own (and very prolific contributor) [Mike Szczys] put up a great tutorial on how to drive shift registers with an SPI interface. [Mike]’s earlier tutorial of the 595 shift register ...

Silicon Labs’ CP2130 offers a solution for bridging a Universal Serial Bus (USB) host and Serial Peripheral Interface (SPI) bus. Silicon Labs’ CP2130 offers a solution for bridging a Universal Serial ...

The basic test instrument suite — a bench power supply, a good multimeter and perhaps an oscilloscope — is extremely flexible, but not exactly “plug and play” when it comes to diagnosing problems with ...