[Repost] Popular Science of Components: An Inventory of Various Buses

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[Repost] Popular Science of Components: An Inventory of Various Buses [Copy link]

Before talking about the bus, we should first understand what the bus is. Baidu's complete definition is: the bus is a public communication trunk line for transmitting information between various functional components of the computer. It is a transmission harness composed of wires, according to the type of information transmitted by the computer. In fact, the bus is an internal structure. It is a public channel for CPU, memory, input and output devices to transmit information. In order to simplify the hardware circuit design and system structure, engineers often use a group of lines, configured with appropriate interface circuits, to connect with various components and peripheral devices. This group of shared connection lines is called a bus. In addition, the use of a bus structure facilitates the expansion of components and equipment. In particular, the establishment of a unified bus standard makes it easy to interconnect different devices.

Bus classification

1. The bus can be divided into five types according to its function and specifications: data bus, address bus, control bus, expansion bus and local bus.

The data bus, address bus and control bus are also collectively referred to as the system bus, which is the bus in the usual sense. Common data buses are ISA, EISA, VESA, PCI, etc.

Address bus: It is specially used to transmit addresses. Since the address can only be transmitted from the CPU to the external memory or I/O port, the address bus is always unidirectional and tri-state. This is different from the data bus. The number of bits of the address bus determines the size of the memory space that the CPU can directly address.

Control bus: used to transmit control signals and timing signals. Some of the control signals are sent by the microprocessor to the memory and I/O interface circuit; some are fed back to the CPU by other components, such as: interrupt request signal, reset signal, bus request signal, device ready signal, etc.

2. According to the way of transmitting data, it can be divided into serial bus and parallel bus. In the serial bus, binary data is sent to the destination device bit by bit through a data line; the data lines of the parallel bus are usually more than 2. Common serial buses include SPI, I2C, USB and RS232. 3. According to whether the clock signal is independent, it can be divided into synchronous bus and asynchronous bus. The clock signal of synchronous bus is independent of data, while the clock signal of asynchronous bus is extracted from data. SPI and I2C are synchronous serial buses, and RS232 uses asynchronous serial bus. 4. The bus in microcomputer generally includes internal bus, system bus and external bus. The internal bus is the bus between each peripheral chip and processor inside the microcomputer, which is used for chip-level interconnection; the system bus is the bus between each plug-in board and system board in the microcomputer, which is used for plug-in board-level interconnection; the external bus is the bus between microcomputer and external devices. As a device, microcomputer exchanges information and data with other devices through this bus, which is used for device-level interconnection.

There are so many categories. The following article will introduce the internal bus, system bus and external bus.

Internal Bus

I2C bus: The I2C (Inter-IC) bus was introduced by Philips more than 10 years ago. It is a new bus standard widely used in the field of microelectronic communication control in recent years. It is a special form of synchronous communication with the advantages of fewer interface lines, simplified control method, small device packaging, and higher communication rate. In master-slave communication, multiple I2C bus devices can be connected to the I2C bus at the same time, and the communication objects are identified by addresses.

SCI bus: The serial communication interface SCI was also introduced by Motorola. It is a universal asynchronous communication interface UART, which is basically the same as the asynchronous communication function of MCS-51.

IIS: I2S (Inter-IC Sound Bus) is a bus standard developed by Philips for audio data transmission between digital audio devices. I2S has three main signals: 1. Serial clock SCLK, also called bit clock, that is, SCLK has one pulse for each bit of digital audio data. 2. Frame clock LRCK, used to switch the data of the left and right channels. LRCK is "1" means that the data of the left channel is being transmitted, and "0" means that the data of the right channel is being transmitted. 3. Serial data SDATA is the audio data represented by binary complement. Sometimes, in order to better synchronize the systems, it is necessary to transmit another signal MCLK, called the master clock, also called the system clock (Sys Clock). SPI: SPI (Serial Peripheral Interface); SPI was first defined by Motorola on its MC68HCXX series processors. The SPI interface is mainly used in EEPROM, FLASH, real-time clock, AD converter, and between digital signal processors and digital signal decoders. The SPI interface works in master-slave mode. This mode usually has a master device and one or more slave devices. Its interface includes the following four signals: (1) MOSI - master device data output, slave device data input (2) MISO - master device data input, slave device data output (3) SCLK - clock signal, generated by the master device (4) /SS - slave device enable signal, controlled by the master device.UART: UART (Universal Asynchronous Receiver Transmitter). Converts parallel data transmitted from the computer into an output serial data stream. Converts serial data from outside the computer into bytes for use by devices inside the computer that use parallel data. Adds parity bits to the output serial data stream and performs parity check on the data stream received from the outside. Adds start and stop marks to the output data stream and deletes the start and stop marks from the received data stream. Processes interrupt signals sent by the keyboard or mouse (keyboards and mice are also serial devices). Can handle the synchronization management problem between the computer and external serial devices. Some higher-end UARTs also provide buffers for input and output data. Commonly used TXD, RXD, /RTS, /CTS. JTAG: JTAG (Joint Test Action Group Joint Test Action Group) is an international standard test protocol (IEEE1149.1 compatible), mainly used for internal chip testing. The standard JTAG interface is 4-wire: TMS, TCK, TDI, TDO, which are mode selection, clock, data input and data output lines respectively. The test reset signal (TRST, generally valid at low level) is generally used as an optional fifth port signal. A CPU with a JTAGDebug interface module can access the internal registers of the CPU and devices hanging on the CPU bus through the JTAG interface as long as the clock is normal, such as FLASH, RAM, registers of built-in modules, registers like UART, Timers, GPIO, etc. CAN: CAN stands for "Controller Area Network", which is one of the most widely used field buses in the world. Initially, CAN was designed as a microcontroller communication in the automotive environment, exchanging information between various electronic control units ECU on board to form an automotive electronic control network. For example, CAN control devices are embedded in engine management systems, transmission controllers, instrument equipment, and electronic trunk systems. In theory, countless nodes can be connected to a single network consisting of a CAN bus. In practical applications, the number of nodes is limited by the electrical characteristics of the network hardware. For example, when Philips P82C250 is used as a CAN transceiver, 110 nodes are allowed to be connected to the same network. CAN can provide a data transmission rate of up to 1Mbit/s, which makes real-time control very easy. In addition, the hardware error detection feature also enhances CAN's ability to resist electromagnetic interference. 25)]SDIO: SDIO is an SD-type expansion interface. In addition to SD cards, it can also connect to devices that support the SDIO interface. The purpose of the socket is not only to insert memory cards. PDAs and laptops that support the SDIO interface can connect to devices such as GPS receivers, Wi-Fi or Bluetooth adapters, modems, LAN adapters, barcode readers, FM radios, TV receivers, radio frequency identification readers, or digital cameras that use the SD standard interface. GPIO: GPIO (General Purpose Input Output) or bus expanders simplify I/O port expansion using industry standard I2C, SMBus or SPI interfaces. When a microcontroller or chipset does not have enough I/O ports, or when a system requires remote serial communication or control, GPIO products can provide additional control and monitoring capabilities. System Bus ISA bus: The ISA (industrial standard architecture) bus standard is a system bus standard established by IBM in 1984 for the launch of PC/AT machines, so it is also called AT bus. It is an extension of the XT bus to meet the requirements of 8/16-bit data bus. It was widely used in the 80286 to 80486 era, so much so that the ISA bus slot is still retained in the Pentium computer. The ISA bus has 98 pins. EISA bus: The EISA bus is a bus standard jointly launched by 9 companies including Compaq in 1988. It uses a double-layer socket based on the ISA bus, and adds 98 signal lines to the original 98 signal lines of the ISA bus, that is, adding an EISA signal line between two ISA signal lines. In practice, the EISA bus is fully compatible with ISA bus signals. VESA bus: VESA (video electronics standard association) bus is a local bus jointly launched by 60 accessory card manufacturers in 1992, referred to as VL (VESA local bus) bus. Its launch laid the foundation for the innovation of microcomputer system bus architecture. This bus system takes into account the direct connection between CPU and main memory and cache. This part of the bus is usually called CPU bus or main bus. Other devices are connected to the CPU bus through VL bus, so VL bus is called local bus. It defines 32-bit data lines and can be expanded to 64 bits through expansion slots. It uses a 33MHz clock frequency and a maximum transfer rate of 132MB/s. It can work synchronously with the CPU. It is a high-speed and efficient local bus that supports 386SX, 386DX, 486SX, 486DX and Pentium microprocessors. 25)]PCI bus: PCI (peripheral component interconnect) bus is one of the most popular buses. It is a local bus launched by Intel. It defines a 32-bit data bus and can be expanded to 64 bits. The size of the PCI bus motherboard slot is smaller than the original ISA bus slot, and its function is greatly improved over VESA and ISA. It supports burst read and write operations, with a maximum transfer rate of up to 132MB/s, and can support multiple sets of peripheral devices at the same time. The PCI local bus is not compatible with the existing ISA, EISA, and MCA (microchannel architecture) buses, but it is not restricted by the processor and is a bus developed based on the new generation of microprocessors such as Pentium.

External bus

RS-232-C bus: RS-232-C is a serial physical interface standard developed by the American Electronics Industry Association (EIA). RS is the abbreviation of "Recommended Standard", 232 is the identification number, and C represents the number of revisions. The RS-232-C bus standard has 25 signal lines, including a main channel and an auxiliary channel. In most cases, the main channel is mainly used. For general duplex communication, only a few signal lines are needed, such as a transmit line, a receive line and a ground line. The data transmission rate specified by the RS-232-C standard is 50, 75, 100, 150, 300, 600, 1200 per second. , 2400, 4800, 9600, 19200 baud. The RS-232-C standard stipulates that the driver is allowed to have a 2500pF capacitive load, and the communication distance will be limited by this capacitance. For example, when using a 150pF/m communication cable, the maximum communication distance is 15m; if the capacitance of each meter of cable is reduced, the communication distance can be increased. Another reason for the short transmission distance is that RS-232 is a single-ended signal transmission, which has problems such as common ground noise and inability to suppress common-mode interference. Therefore, it is generally used for communications within 20m.

RS-485 bus: When the communication distance is required to be tens of meters to thousands of meters, the RS-485 serial bus standard is widely used. RS-485 uses balanced transmission and differential reception, so it has the ability to suppress common-mode interference. In addition, the bus transceiver has high sensitivity and can detect voltages as low as 200mV, so the transmitted signal can be recovered thousands of meters away. RS-485 uses half-duplex operation, and only one point can be in the sending state at any time. Therefore, the sending circuit must be controlled by an enable signal. RS-485 is very convenient for multi-point interconnection and can save many signal lines. RS-485 can be used to form a distributed system through networking, which allows up to 32 drivers and 32 receivers to be connected in parallel. IEEE-488 bus: IEEE-488 bus is used to connect systems. For example, microcomputers, digital voltmeters, digital displays and other instruments can be assembled using IEEE-488 bus. It transmits signals in bit-parallel and byte-serial bidirectional asynchronous mode. The connection mode is bus mode. Instruments and equipment are directly connected to the bus in parallel without an intermediate unit, but up to 15 devices can be connected to the bus. The maximum transmission distance is 20 meters. The signal transmission speed is generally 500KB/s, and the maximum transmission speed is 1MB/s. USB bus: Universal Serial Bus USB is a new interface standard jointly launched by seven world-renowned computer and communication companies including Intel, Compaq, Digital, IBM, Microsoft, NEC, and Northern Telecom. It is based on universal connection technology to achieve simple and fast connection of peripherals, so as to facilitate users, reduce costs and expand the range of PC-connected peripherals. It can provide power for peripherals, unlike ordinary devices using serial and parallel ports that require separate power supply systems. In addition, automotive electronics has been so popular recently, let's talk about LIN and CAN buses in automotive networks: As early as 1983, Bosch began to develop the controller area network (CAN) bus and officially released the relevant protocol in 1986. There are many different automotive bus standards, but CAN is still the most popular standard. In a CAN network, all nodes (from different ECUs) act as master nodes (that is, there is no master-slave topology) and no specific addresses are assigned. Instead, the message carries the identifier. At a given time, multiple nodes can send data to the CAN bus simultaneously. The message identifier then helps determine the priority of the message. The highest priority message causes the CAN bus to enter the dominant state, and all other nodes stop sending. These nodes are actually transceivers, and in addition to sending messages, they can look for specific messages from the bus based on specific functions. Therefore, there is a flow of information between the different nodes connected to the CAN bus. Because CAN performs multiple error checks such as stuffing errors, bit errors, checksum errors, frame errors, and response errors, it has high reliability. CAN supports data transmission rates up to 1Mbps, making it the default choice for connecting key automotive function ECUs (such as transmissions, temperature sensors, etc.).

But why do cars choose LIN?

The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include: - Each node in the CAN network requires a clock generator or crystal; - CAN is more complex to implement at the chip level; - Two-wire transmission is used. Most importantly, the entire expensive architecture is too luxurious for applications that do not require high reliability and high data rates.

The above is a complete list of various buses. I hope it will be helpful to engineers.

Source: Internet, please delete if infringement

25)]Source: Internet, please delete if infringed25)]Source: Internet, please delete if infringed25)]Source: Internet, please delete if infringed25)]Source: Internet, please delete if infringed25)]Source: Internet, please delete if infringed25)]Source: Internet, please delete if infringed25)]RS-485 bus: When the communication distance is required to be from tens of meters to thousands of meters, the RS-485 serial bus standard is widely used. RS-485 uses balanced transmission and differential reception, so it has the ability to suppress common-mode interference. In addition, the bus transceiver has high sensitivity and can detect voltages as low as 200mV, so the transmission signal can be recovered thousands of meters away. RS-485 uses half-duplex operation. Only one point can be in the transmission state at any time. Therefore, the transmission circuit must be controlled by an enable signal. RS-485 is very convenient for multi-point interconnection and can save many signal lines. RS-485 can be used to form a distributed system, which allows up to 32 drivers and 32 receivers to be connected in parallel.

IEEE-488 bus: IEEE-488 bus is used to connect systems. Devices such as microcomputers, digital voltmeters, digital displays and other instruments can be assembled using IEEE-488 bus. It transmits signals in bit-parallel and byte-serial bidirectional asynchronous mode. The connection mode is bus mode. Instruments and equipment are directly connected to the bus in parallel without the need for an intermediate unit. However, up to 15 devices can be connected to the bus. The maximum transmission distance is 20 meters, the signal transmission speed is generally 500KB/s, and the maximum transmission speed is 1MB/s. USB bus: Universal Serial Bus USB is a new interface standard jointly launched by 7 world-renowned computer and communication companies including Intel, Compaq, Digital, IBM, Microsoft, NEC, and Northern Telecom. It is based on universal connection technology to achieve simple and fast connection of peripherals, so as to facilitate users, reduce costs, and expand the scope of PC connection peripherals. It can provide power for peripherals, unlike ordinary devices using serial and parallel ports that require a separate power supply system. In addition, automotive electronics has been so popular recently, let's talk about LIN and CAN buses in automotive networks: 25)]As early as 1983, Bosch began to develop the Controller Area Network (CAN) bus and officially released the relevant protocol in 1986. There are currently several different automotive bus standards, but CAN is still the most popular standard. In a CAN network, all nodes (from different ECUs) act as master nodes (that is, there is no master-slave topology) and are not assigned specific addresses. Instead, the message carries the identifier.

At a given time, multiple nodes can send data to the CAN bus at the same time. The message identifier then helps determine the priority of the message. The highest priority message causes the CAN bus to enter the dominant state, and all other nodes stop sending. These nodes are actually transceivers, and in addition to sending messages, they can look for specific messages from the bus according to their specific functions. Therefore, there is a flow of information between the different nodes connected to the CAN bus.

Because CAN performs multiple error checks such as stuffing errors, bit errors, checksum errors, frame errors, and response errors, it has high reliability. CAN supports data transmission rates up to 1Mbps, making it the default choice for connecting key automotive function ECUs (such as transmissions, temperature sensors, etc.).

But why do cars choose LIN?

The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include:

- Each node in the CAN network requires a clock generator or crystal;

[color=rgb(25, - CAN is more complex to implement at the chip level; - It uses two-wire transmission. Most importantly, the entire expensive architecture is too extravagant for applications that do not require high reliability and high data rate. The above is a complete list of various buses. I hope it will be helpful to engineers. Source: Internet. Please delete if infringed.25)]RS-485 bus: When the communication distance is required to be from tens of meters to thousands of meters, the RS-485 serial bus standard is widely used. RS-485 uses balanced transmission and differential reception, so it has the ability to suppress common-mode interference. In addition, the bus transceiver has high sensitivity and can detect voltages as low as 200mV, so the transmission signal can be recovered thousands of meters away. RS-485 uses half-duplex operation. Only one point can be in the transmission state at any time. Therefore, the transmission circuit must be controlled by an enable signal. RS-485 is very convenient for multi-point interconnection and can save many signal lines. RS-485 can be used to form a distributed system, which allows up to 32 drivers and 32 receivers to be connected in parallel.

IEEE-488 bus: IEEE-488 bus is used to connect systems. Devices such as microcomputers, digital voltmeters, digital displays and other instruments can be assembled using IEEE-488 bus. It transmits signals in bit-parallel and byte-serial bidirectional asynchronous mode. The connection mode is bus mode. Instruments and equipment are directly connected to the bus in parallel without the need for an intermediate unit. However, up to 15 devices can be connected to the bus. The maximum transmission distance is 20 meters, the signal transmission speed is generally 500KB/s, and the maximum transmission speed is 1MB/s. USB bus: Universal Serial Bus USB is a new interface standard jointly launched by 7 world-renowned computer and communication companies including Intel, Compaq, Digital, IBM, Microsoft, NEC, and Northern Telecom. It is based on universal connection technology to achieve simple and fast connection of peripherals, so as to facilitate users, reduce costs, and expand the scope of PC connection peripherals. It can provide power for peripherals, unlike ordinary devices using serial and parallel ports that require a separate power supply system. In addition, automotive electronics has been so popular recently, let's talk about LIN and CAN buses in automotive networks: 25)]As early as 1983, Bosch began to develop the Controller Area Network (CAN) bus and officially released the relevant protocol in 1986. There are currently several different automotive bus standards, but CAN is still the most popular standard. In a CAN network, all nodes (from different ECUs) act as master nodes (that is, there is no master-slave topology) and are not assigned specific addresses. Instead, the message carries the identifier.

At a given time, multiple nodes can send data to the CAN bus at the same time. The message identifier then helps determine the priority of the message. The highest priority message causes the CAN bus to enter the dominant state, and all other nodes stop sending. These nodes are actually transceivers, and in addition to sending messages, they can look for specific messages from the bus according to their specific functions. Therefore, there is a flow of information between the different nodes connected to the CAN bus.

Because CAN performs multiple error checks such as stuffing errors, bit errors, checksum errors, frame errors, and response errors, it has high reliability. CAN supports data transmission rates up to 1Mbps, making it the default choice for connecting key automotive function ECUs (such as transmissions, temperature sensors, etc.).

But why do cars choose LIN?

The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include:

- Each node in the CAN network requires a clock generator or crystal;

[color=rgb(25, - CAN is more complex to implement at the chip level; - It uses two-wire transmission. Most importantly, the entire expensive architecture is too extravagant for applications that do not require high reliability and high data rate. The above is a complete list of various buses. I hope it will be helpful to engineers. Source: Internet. Please delete if infringed.25)]USB bus: Universal Serial Bus USB is a new interface standard jointly launched by 7 world-renowned computer and communication companies including Intel, Compaq, Digital, IBM, Microsoft, NEC, Northern Telecom, etc. It is based on universal connection technology to achieve simple and fast connection of peripherals, so as to facilitate users, reduce costs and expand the scope of PC connection peripherals. It can provide power for peripherals, unlike ordinary devices using serial and parallel ports that require a separate power supply system.

In addition, automotive electronics has been so popular recently, let's talk about LIN and CAN buses in automotive networks:

As early as 1983, Bosch began to develop the Controller Area Network (CAN) bus and officially released the relevant protocol in 1986. There are currently several different automotive bus standards, but CAN is still the most popular standard. In a CAN network, all nodes (from different ECUs) act as master nodes (that is, there is no master-slave topology) and are not assigned specific addresses. Instead, the message carries the identifier.

At a given time, multiple nodes can send data to the CAN bus at the same time. The message identifier then helps determine the priority of the message. The highest priority message causes the CAN bus to enter the dominant state, and all other nodes stop sending. These nodes are actually transceivers, and in addition to sending messages, they can look for specific messages from the bus according to their specific functions. Therefore, there is a flow of information between the different nodes connected to the CAN bus.

Because CAN performs multiple error checks such as stuffing errors, bit errors, checksum errors, frame errors, and response errors, it has high reliability. CAN supports data transmission rates up to 1Mbps, making it the default choice for connecting key automotive function ECUs (such as transmissions, temperature sensors, etc.).

But why do cars choose LIN?

The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include:

- Each node in the CAN network requires a clock generator or crystal;

[color=rgb(25, - CAN is more complex to implement at the chip level; - It uses two-wire transmission. Most importantly, the entire expensive architecture is too extravagant for applications that do not require high reliability and high data rate. The above is a complete list of various buses. I hope it will be helpful to engineers. Source: Internet. Please delete if infringed.25)]USB bus: Universal Serial Bus USB is a new interface standard jointly launched by 7 world-renowned computer and communication companies including Intel, Compaq, Digital, IBM, Microsoft, NEC, Northern Telecom, etc. It is based on universal connection technology to achieve simple and fast connection of peripherals, so as to facilitate users, reduce costs and expand the scope of PC connection peripherals. It can provide power for peripherals, unlike ordinary devices using serial and parallel ports that require a separate power supply system.

In addition, automotive electronics has been so popular recently, let's talk about LIN and CAN buses in automotive networks:

As early as 1983, Bosch began to develop the Controller Area Network (CAN) bus and officially released the relevant protocol in 1986. There are currently several different automotive bus standards, but CAN is still the most popular standard. In a CAN network, all nodes (from different ECUs) act as master nodes (that is, there is no master-slave topology) and are not assigned specific addresses. Instead, the message carries the identifier.

At a given time, multiple nodes can send data to the CAN bus at the same time. The message identifier then helps determine the priority of the message. The highest priority message causes the CAN bus to enter the dominant state, and all other nodes stop sending. These nodes are actually transceivers, and in addition to sending messages, they can look for specific messages from the bus according to their specific functions. Therefore, there is a flow of information between the different nodes connected to the CAN bus.

Because CAN performs multiple error checks such as stuffing errors, bit errors, checksum errors, frame errors, and response errors, it has high reliability. CAN supports data transmission rates up to 1Mbps, making it the default choice for connecting key automotive function ECUs (such as transmissions, temperature sensors, etc.).

But why do cars choose LIN?

The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include:

- Each node in the CAN network requires a clock generator or crystal;

[color=rgb(25, - CAN is more complex to implement at the chip level; - It uses two-wire transmission. Most importantly, the entire expensive architecture is too extravagant for applications that do not require high reliability and high data rate. The above is a complete list of various buses. I hope it will be helpful to engineers. Source: Internet. Please delete if infringed.25)]The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include:

- Each node in the CAN network requires a clock generator or crystal;

[color=rgb(25, - CAN is more complex to implement at the chip level; - It uses two-wire transmission. Most importantly, the entire expensive architecture is too extravagant for applications that do not require high reliability and high data rate. The above is a complete list of various buses. I hope it will be helpful to engineers. Source: Internet. Please delete if infringed.25)]The role of automotive electronics is not limited to these key units. The body electronics market has been growing for many years. Typical body control applications include seats, windows, smart wipers, and automotive air conditioning sensors. The key requirement for body electronics is to ensure that the car is more comfortable and safer. Although these systems may not require as high security as key ECUs, they still require certain automotive network communication standards.

LIN vs. CAN:

It is more expensive to implement CAN than to implement LIN. Factors that contribute to the higher cost of CAN include:

- Each node in the CAN network requires a clock generator or crystal;

[color=rgb(25, - CAN is more complex to implement at the chip level; - It uses two-wire transmission. Most importantly, the entire expensive architecture is too extravagant for applications that do not require high reliability and high data rate. The above is a complete list of various buses. I hope it will be helpful to engineers. Source: Internet. Please delete if infringed.