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Description: 1-wire"从机"模拟程序, 不是主机,1-wire的主机模拟程序网上很多.使用mega88模拟DS1990A芯片时序, 再加上模拟主机就可以搭建不使用DALASI芯片而使用1-wire协议的系统.编译IAR for AVR 4.20.-1-wire
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Size: 6144 |
Author: 杨成双 |
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Description: 硬件平台：C8051F314
包括键盘扫描程序，I2C通讯MASTER模式、SLAVE模式，ONE WIRE串行通讯驱动（用于DALAS公司的器件）。-Hardware platform: C8051F314 including keyboard scanning process, I2C communications MASTER mode, SLAVE mode, ONE WIRE serial communication driver (for DALAS the company
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Size: 95232 |
Author: jiazhiping |
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Description: The Serial Peripheral Interface Bus or SPI bus is a synchronous serial data link standard named by Motorola that operates in full duplex mode. Devices communicate in master/slave mode where the master device initiates the data frame. Multiple slave devices are allowed with individual slave select (chip select) lines. Sometimes SPI is called a "four wire" serial bus, contrasting with three, two, and one wire serial buses.-The Serial Peripheral Interface Bus or SPI bus is a synchronous serial data link standard named by Motorola that operates in full duplex mode. Devices communicate in master/slave mode where the master device initiates the data frame. Multiple slave devices are allowed with individual slave select (chip select) lines. Sometimes SPI is called a "four wire" serial bus, contrasting with three, two, and one wire serial buses.
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Size: 478208 |
Author: wei |
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Description: This document describes the MODBUS over Serial Line protocol. MODBUS Serial Line protocol is a Master-Slave protocol. This
protocol takes place at level 2 of the OSI model.
A master-slave type system has one node (the master node) that issues explicit commands to one of the "slave" nodes and processes
responses. Slave nodes will not typically transmit data without a request from the master node, and do not communicate with other
slaves.
At the physical level, MODBUS over Serial Line systems may use different physical interfaces (RS485, RS232). TIA/EIA-485 (RS485)
Two-Wire interface is the most common. As an add-on option, RS485 Four-Wire interface may also be implemented. A TIA/EIA-232-
E (RS232) serial interface may also be used as an interface, when only short point to point communication is required. (see chapter
"Physical Layer")
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Size: 229376 |
Author: RAMAKERS_R |
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