參數(shù)資料
型號(hào)： TSS461F
廠商： Atmel Corp.
英文描述： VAN Data Link Controller
中文描述： 凡數(shù)據(jù)鏈路控制器
文件頁數(shù)： 15/57頁
文件大?。?/td> 397K
代理商： TSS461F
15
7615A–AUTO–02/06
TSS461F
The division is done with a rest initialized to 0x7FFF, and an inversion of the CRC bits is per-
formed before transmission.
However, since the CRC is calculated automatically from the identifier, command and data fields
by the TSS461F, the user should not be concerned with the circuit. When the frame check
sequence has been transmitted, the transmitting module must transmit an End Of Data (EOD)
sequence, followed by the ACKnowledge field (ACK) and the End of Frame sequence (EOF) to
terminate the transfer.
Figure 11.
Acknowledge Sequences
Frame Examples
The frames transmitted on the VAN bus are generated by several modules, each supplying dif-
ferent parts of the message. Figure 12 through Figure 15 show the four frame types specified in
the VAN standard, and what module is generating the different fields.
The most straightforward frame is the normal data frame in Figure 13. Like all other frames it
is initiated with a SOF sequence. This sequence is generated by a bus master (not shown in
figure).
During this frame, there is basically only one module transmitting with the exception being
the acknowledgement, generated by the receiving module if requested in the RAK bit.
The reply request frame with immediate reply in Figure 13 is the only frame in which a slave
module can transmit data by filling it into the appropriate field.
The difference for the frame on the bus is that the R/W bit has changed state compared to
the normal frame.
This is a highly interactive frame where a bus master generates the SOF and the initiator
generates the identifier, the three first bits of the command, and the acknowledge. The RTR
bit, the data field, the frame check, the EOD and the EOF are all generated by the replying
module.
The reply request frame with deferred reply in Figure 14 is the same frame as the reply
request frame with immediate reply. But since the requested module does not generate the
RTR bit, the requesting module will continue with the frame check, the EOD and the EOF.
During this frame, the requested module will only generate the acknowledge, and only if this
was requested by the initiator through the RAK bit.
Finally, the deferred reply frame in Figure 16 which is sent when a module has prepared a
reply for a reply request that has been received earlier.
This frame is similar to the normal data frame with the exception being the R/W bit that has
changed state.
VAN BUS
SEQUENCE
VAN BUS
SEQUENCE
NUMBER OF
PRESCALED
CLOCKS
POSITIVE ACKNOWLEDGE
ABSENT ACKNOWLEDGE
0
8
16
24
32
相關(guān)PDF資料
PDF描述
TSS463-AAR VAN Data Link Controller with Serial Interface
TSS463A-TERZ VAN Data Link Controller with Serial Interface
TSS463C VAN Data Link Controller with Serial Interface
TSS4B02G Single Phase 4.0 Amps. Glass Passivated Super Fast Bridge Rectifiers
TSS4B03G Single Phase 4.0 Amps. Glass Passivated Super Fast Bridge Rectifiers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSS461F-TDRZ-9 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Van Data Link Controller 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
TSS461F-TDSZ-9 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
TSS463 制造商:Atmel Corporation 功能描述:LAN Node Controller, 16 Pin, SOP 制造商:Temic 功能描述:LAN Node Controller, 16 Pin, SOP
TSS463-AA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TSS463-AA [Updated 3/03. 60 Pages]
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