i2c bus

Platform bus: for platform upgrades Samsung: s3c2410---------------s3c6410-----------s5pv210 GPIO Controller GPIO Controller GPIO Controller Uart I2c Spi Control logic method is the same: 1, configure GPIO Registers 2. Read and write Data The address will be different. Three elements: Bus: When the boot has been created, do not need us to create struct Bu

This concept emerged when the new sysfs management device driver was adopted in linux2.6 and can be intuitively understood under the/sys directory. Bus indicates the bus type, such as I2C, IDE, USB... many bus types such as platform, including MTD devices; Device records device resources, specific to the NAND driver,

Detailed history of system bus, including early PC bus and ISA bus, PCI/AGP bus, PCI-X bus and mainstream pciexpress, hypertransport High Speed Serial Bus. From the PC bus to the ISA an

Absrtact: This paper introduces the interaction and coupling problems in the process of informatization construction of modern enterprises, expounds the solution of service-oriented enterprise application--ESB Enterprise Service Bus, gives the detailed design of this solution, and presents the implementation example. Keywords: service oriented; enterprise solution; Enterprise Service Bus Middle Figure categ

Simple Bus transfer algorithm: Three tables (most simplistic, do not consider fuzzy query, one-way street and other things):1, the Site table Stop (stop_id,stop_name)2, route table line (line_id,line_name)3, Route site table (point line Relational table) Linestops (line_id, stop_id, seq) the SEQ here refers to the order of a site in a line. Now analyze the algorithm:1, Direct LineFirst of all, according to two site names to obtain the respective IDs o

Relationship between bus, device, and driver in Linux 1. Bus: As the connection channel between the host and peripherals, some buses are relatively standard and form many protocols. Such as PCI, USB, 1394, and IIC. Any device can select a suitable bus to connect to the host. Of course, the host may be the CPU itself. The memory is also connected to the host throu

8.5 system bus Optimization The system bus service requests a bus proxy (such as a logic processor) to obtain data or code from the memory subsystem. The performance impact caused by retrieving data traffic from the memory depends on the features of the workload, and the degree to which the software optimizes access to the memory, and the position implemented in

A digital computer room consists of several system components which work together to form a complete computer system. Bus: a public channel for data transmission between multiple functional components of a computer system. With the help of bus connection, the computer implements address, data, and control information exchange between functional components of each system, and works on the basis of compet

Author: Yang Shuo,Hua Qing vision embedded college lecturer. 1. Concept of Bus In computer systems, different subsystems must have interfaces to connect to each other. For example, the memory and processor need to communicate, and the processor and I/O devices also need to communicate. These tasks are completed by the bus. A bus is a shared communication link tha

This article introduces Recently, CPCI was used in the project, and the information about PCI was collected online. CPCI is a subset of PCI. The bridge chip used is divided into two types: master and slave. As for PCI, I will describe it as follows: With the rapid development of Windows Graphical User interfaces and the wide application of multimedia technology, the system requires high-speed graphic processing and I/O throughput, this makes the original ISA and eisa

Abstract: This paper introduces the specifications and features of the PXI bus, the features, functions and usage of the plx9030 chip, and provides the use of plx9030 interface chip, hardware and software implementation method of A/D data acquisition card based on PXI specification.Key words: PXI bus; plx9030; A/D data collection The PCI extension for instrumentation bu