參數(shù)資料
型號(hào)： XC888LM
廠商： INFINEON TECHNOLOGIES AG
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 83/119頁
文件大?。?/td> 895K
代理商： XC888LM
XC886/888CLM
Functional Description
Data Sheet
Prelimary
79
V0.1, 2006-02
3.13
LIN Protocol
The UART module can be used to support the Local Interconnect Network (LIN) protocol
for both master and slave operations. This option is not available with UART1 module.
The LIN baud rate detection feature provides the capability to detect the baud rate within
LIN protocol using Timer 2. This allows the UART to be synchronized to the LIN baud
rate for data transmission and reception.
LIN is a holistic communication concept for local interconnected networks in vehicles.
The communication is based on the SCI (UART) data format, a single-master/multiple-
slave concept, a clock synchronization for nodes without stabilized time base. An
attractive feature of LIN is self-synchronization of the slave nodes without a crystal or
ceramic resonator, which significantly reduces the cost of hardware platform. Hence, the
baud rate must be calculated and returned with every message frame.
The structure of a LIN frame is shown in
Figure 32
. The frame consists of the:
header, which comprises a Break (13-bit time low), Synch Byte (55
H
), and ID field
response time
data bytes (according to UART protocol)
checksum
Figure 32
Structure of LIN Frame
3.13.1
LIN header transmission is only applicable in master mode. In the LIN communication,
a master task decides when and which frame is to be transferred on the bus. It also
identifies a slave task to provide the data transported by each frame. The information
needed for the handshaking between the master and slave tasks is provided by the
master task through the header portion of the frame.
LIN Header Transmission
Frame slot
Frame
Response
Inter-
frame
space
Response
space
Header
Synch
Protected
identifier
Data 1
Data 2
Data N
Checksum
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XC888LM6FFA5VACKXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-bit XC800 8051 CISC 24KB Flash 2.5V/5V 64-Pin TQFP 制造商:Infineon Technologies AG 功能描述:8 BIT FLASH - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT FLASH 64-LQFP
XC888LM6FFI3V3ACFXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-BIT XC800 8051 CISC 24KB FLASH 2.5V/3.3V 64-PIN TQFP 制造商:Infineon Technologies AG 功能描述:8 BIT FLASH - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT 32KB FLASH 64TQFP
XC888LM8FFI5VACFXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 8-BIT XC800 8051 CISC 32KB FLASH 2.5V/5V 64-PIN TQFP 制造商:Infineon Technologies AG 功能描述:8 BIT FLASH - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 8BIT FLASH 64-LQFP
XC88915TFN100 制造商:Motorola Inc 功能描述:
XC88916DW55 制造商:Motorola Inc 功能描述:
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