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參數(shù)資料
| 型號： | TSS463-AA |
| 英文描述： | TSS463-AA [Updated 3/03. 60 Pages] |
| 中文描述： | TSS463 -機管局[更新3月3日。 60頁] |
| 文件頁數(shù)： | 11/52頁 |
| 文件大?。?/td> | 268K |
| 代理商： | TSS463-AA |
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TSS461C
11
Rev. D (22 Feb 01)
SOF
ID
COM
DATA
ACK
EOF
EOD
Autonomous
Rank 0
ID
COM
DATA
FCS
ACK
EOF
EOD
Synchronous
Rank 1
DATA
FCS
ACK
EOF
EOD
Slave
Rank 16
R
FCS
Figure 9. Hierarchical Access Methods
Figure 8. shows a normal VAN bus frame. It is initiated with a Start Of Frame (SOF) sequence shown in Figure 10.
The SOF can only be transmitted by an autonomous module. During the preamble the TSS461C will synchronize its
bit rate clock to the data received.
VAN BUS
SEQUENCE
VAN BUS
SEQUENCE
NUMBER OF
PRESCALED
CLOCKS
PREAMBLE
START OF FRAME
START
SYNC
END OF
DATA
ACK
END OF FRAME
0
16
32
48
64
80
96
112 128 144
160 176 192
Figure 10. Framing Sequences.
When the complete SOF sequence has been transmitted or received, the circuit will start the transmission or reception
of the identifier field.
All data on the VAN bus, including the identifier and Frame Check Sum (FCS), are transmitted using enhanced
Manchester code.
In enhanced Manchester code three NRZ bits are transmitted first followed by one Manchester bit, then three more
NRZ bits followed by one Manchester bit and so on.
Since the high state is recessive and the low state is dominant, the bus arbitration can be done. If a module wants access
to the bus, it must first listen to the bus during one full End Of Frame (EOF) and one full Inter Frame Spacing (IFS)
period, to determine whether the bus is free or not (i.e. no dominant states received).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TSS463D | Industrial Control IC |
| TSS463R | Industrial Control IC |
| TSS461E | VAN Data Link Controller |
| TSS461E-TDRA-9 | VAN Data Link Controller |
| TSS461E-TERA-9 | VAN Data Link Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSS463-AA_04 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller with Serial Interface |
| TSS463-AAR | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller with Serial Interface |
| TSS463A-TERZ | 功能描述:網(wǎng)絡控制器與處理器 IC ASICS RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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