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參數(shù)資料
| 型號： | TSS463-AAR |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | VAN Data Link Controller with Serial Interface |
| 中文描述： | 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數(shù)： | 22/60頁 |
| 文件大?。?/td> | 816K |
| 代理商： | TSS463-AAR |
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22
TSS463-AA
4205B–AUTO–12/04
Diagnosis System
The purpose of the diagnosis system is to detect any short or open circuits on either the
DATA or DATA lines and to permit, if it is possible, to carry the communications on the
non-defective line.
The diagnosis system is based on the assumption that three separate line receivers are
connected to the VAN bus see Figure 1:
One of the line receivers is connected in differential mode, sensing both DATA and
DATA signals, and is connected to the RxD0 input.
The other two line receivers are operating in single wire mode and are sensing only
one of the two VAN bus signals:
–
The line receiver sensing DATA is connected to RxD1
–
The line receiver sensing DATA is connected to RxD2
The diagnosis system analyzes and compares the data sent over both VAN lines. So,
the diagnosis system executes a digital filtering and transition analyses. In order to per-
form its investigation, three internal signals are generated, RI (
Return to Idle)
, SDC
(
Synchronous Diagnosis Clock)
and TIP (
Transmission In Progress
).
One of four operating modes can be chosen to manage the results of the diagnosis
system.
Diagnosis States
If the diagnosis system finds a failure on any of the VAN bus signals, it changes from
nominal to degraded mode, and connects the line receiver not coupled to the failing sig-
nal to the reception logic.
When the diagnosis system finds that the failing signal is working again, it returns to
nominal mode and re-connects the differential line receiver to the reception logic.
A major error occurs when both the VAN bus signals failed.
Figure 21.
Diagnosis States
Nominal
Degraded
Data
Degraded
Data
Major
Error
- Failure during the frame
- Default of transitions on the valid input between 2 consecutive SDC rising edges.
- Protocol fault
-In specified selection mode, every RI pulse when an EOF is detected or through an active SDC.
-In automatic selection mode and SDC active, no failuresampled by 2 consecutive SDC rising edges.
-General Reset
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| TSS4B01G | 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 |
|---|---|
| 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 |
| TSS463B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Serial VAN Data Link Controller |
| TSS463B_03 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Serial VAN Data Link Controller |
| TSS463B_04 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller with Serial Interface |
| TSS463B-TERA | 制造商:Temic 功能描述:LAN Node Controller, 16 Pin, SOP |
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