# x15 bus

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### CRC (16-bit) polynomial is x16+x15+x2+1

The corresponding check bits column 1 1000 0000 0000 0101, but this is 17, ah, I how and 16 bits of information to different or AH? Not the highest bit of 1You don't understand the meaning of CRC.The 17 bits are followed by 16 zeros and then started or calculated. Total 33 bits.Before and after the operation, a one to come: When this value is 1, take this bit to start the next 16-bit and check polynomial XOR, the result is replaced by the corresponding 16-bit value; When this bit number is 0, sk

### Java, CRC (type 8005, x16+x15+x2+1)

/*** CRC16 Related calculationsCRC-16 x16+x15+x2+1 8005 IBM SDLC* Encode:utf-8** @author TRB* @date 2014-12-25*/public class CRC16 {Static byte[] Crc16_tab_h = {(byte) 0x00, (Byte) 0xC1, (Byte) 0x81, (Byte) 0x40, (Byte) 0x01, (Byte) 0xC0, (Byte) 0x80, ( BYTE) 0x41, (Byte) 0x01, (Byte) 0xC0, (Byte) 0x80, (Byte) 0x41, (Byte) 0x00, (Byte) 0xC1, (Byte) 0x81, (Byte) 0x40, (byte) 0x01, (Byte) 0xC0, (Byte) 0x80, (Byte) 0x41, (Byte) 0x00, (Byte) 0xC1, (Byte)

### Data Bus, address bus, control bus

Data Bus, address bus, control bus-Linux general technology-Linux technology and application information, the following is a detailed description. It is about the data bus, the address bus, and the control bus. The number of cpu d

### Compilation 1-address bus, data bus and control bus details

piece of storage unit (a byte in memory as a storage unit). How to operate. How the data is sent over. How did the seniors deal with it?They used three different lines to transmit the data: address bus, control bus, data busWork in the following ways:5. Address Bus Note: The CPU uses address bus to determine which sto

### 51 single chip microcomputer clock and bus timing and bus expansion

microcomputer to execute each statement time is very certain, is 1us is 1us not a little bit less.The following is the 51 single-chip bus extension: This structure is the three-bus structure mentioned in the previous article, as shown in the figure1. Data bus51 MCU data bus is P0 port, the CPU is sent from P0 port and read back data.2. Address busThe address

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### Springcloud Learning-Message bus (Spring Cloud bus)

1. IntroductionSpring Cloud Bus connects the distributed nodes with a lightweight message broker. It can be used to broadcast configuration file changes or communication between services, and can also be used for monitoring. This article is about changes to the configuration file that notifies the MicroServices architecture with spring Cloud bus. spring cloud bus

### Xiangyin Bus Station County shuttle bus timetable

2015 Xiangyin Bus Station bus timetable Xiangyin bus timetable Last updated: 2015-1-9 10:20 Line details start station-terminal start bus departure time fare mileage province outside Xiangyin bus station Xiangyin-Shekou Xiangyin bus

### How to brush the Android phone bus card? Android Phone Brush Bus method

December 19, Samsung Samsung Pay finally supported the public transport card function, the first batch of cities to open only Beijing Shanghai, and the previous MI pay also pioneered the support of mobile phone brush bus, and earlier is the operator level to promote the mobile phone brush bus, including China Mobile/unicom/ Telecom, including the three major operators have Nfc-sim card business support mobi

Logical Address virtual address physical address bus address difference, logical Bus 1. Logical Address Logical Address is the most vague concept. The explanation in understanding the linux kernel is related to virtual addresses. Based on the concept of hardware MMU and Software Memory Management, you can refer to the second chapter of UTLK memory addressing, I have a very detailed explanation. However, the

### Internal bus from PC bus to arm

Bus Evolution First, let's talk about the evolution of the bus. PC architecture series: the development history of CPU, ram, and Io bus. This article is well written! Thank you for the author! The following content is largely from this article, which can be said to be the reduction and reproduction of this article. Public Bus

### Suzhou Bus Line API query bus details

Suzhou Bus line api- Suzhou Bus Status real-time tracking, check bus details. Interface Name: Suzhou Bus line APIInterface platform: API InterfaceInterface Address:Http://apis.juhe.cn/szbusline/busSupported format:json/xmlRequest method:GETSample request:http://apis.juhe.cn/szbusline/

### AHB Bus and APB Bus

The AHB is primarily used for connections between high-performance modules such as CPUs, DMA, and DSP, and acts as an on-chip system bus for the SOC, which includes the following features: Single clock edge operation, non-tri-state Implementation mode;Support burst transmission, support segmented transmission, support multiple host controllers, configurable 32-bit ~128-bit bus width, support byte, half-byte

### An in-depth understanding of I2C bus clock synchronization and bus arbitration

An in-depth understanding of I2C bus clock synchronization and bus arbitration Each IIC bus device has the same circuit structure of the SDA and SCL pins, and the output drive of the pins is connected with the input buffer. The output is a field effect tube with an open drain path, and the input buffer is a high-input impedance phase generator [1]. This type of c

### Windows Azure Service Bus (6) relay (Relay on) uses VS2013 to develop Service bus Relay on

Network (8) creates an azure Point-to-site point-to-site VPN　Two. Site-to-site VPN　　Connect your local network (site) to the Azure virtual Network (site) in the cloud.Site-to-site VPN Premise requirements:-Corporate local network requires a fixed public network IPV4 address-Requires a Microsoft-certified VPN device or Windows Server. RRASFor a list of devices, please refer to:https://msdn.microsoft.com/en-us/library/azure/jj156075.aspx-The VPN device must be in front of the NAT device　　Site-to-

### D-bus Learning (10): telepathy on D-bus [1]: paper discussion

Now we have many identities on the Internet. For example, I have three or four MSN accounts, QQ, GTalk, and web-based blogs and vblogs, in short, there are many. For small-sized mobile phones and MID-sized handheld devices, we cannot open N clients and N webpages like desktop. In fact, we don't care about the software we are using, we only want to find the contact. D-Bus provides the basis for IPC communication. Many mechanisms are built on D-

### An analysis of enterprise service Bus Solutions, part 1th: Basic concepts of enterprise service Bus

Introduction"Everything is flowing, nothing lasts." Everything melts, nothing is fixed "-Heraclitus (Heracleitus)In about 2003 years, the concept of SOA gradually entered the field of vision, and at one time people happily published their own views of SOA. SOA has become a hot topic for practitioners in the IT industry, especially in the fields of software development and system integration. Many authorities are also predicting the wonderful prospects of SOA, for example, Gartner predicts that b

### 20150226 IMX257 Bus device driver Model programming bus Chapter (II)

20150226 IMX257 Bus device driver Model programming bus Chapter (II)2015-02-26 Li Hai alongBefore we explained a simple bus driver, the purpose is to create a file under/sys/bus/, but this is not enough, because the bus is also a device, if you want to let the system know, y

### Differences between Windows Azure service Bus (4) service Bus queue and storage queue

Windows Azure Platform Family of articles Catalog　　Readers familiar with the author's article understand that Azure offers two different ways of queue Message Queuing:1.Azure Storage QueueFor details, refer to:Windows Azure Cloud Service (PAAs) Web Role, Worker Role, Azure Storage Queue (bottom)　The Azure Storage queue provides the underlying Message Queuing service, such as AddMessage, DeleteMessage.Azure Storage Queue message capacity is 64KB (KB when using BASE64 encoding) with a maximum capa

### Huawei Mate9 how to when bus card Huawei Mate9 when bus card set tutorial

Perhaps some users know, Huawei mobile phone official microblogging issued Huawei Mate9 can when the text of the bus card, Huawei users excited, Huawei Mate9 how to be a bus card? What is the relevant operation? Take a look at Huawei Mate9 when the bus card set Tutorial! Huawei Mate9 when bus card setup Tutorial: H

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