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參數(shù)資料
| 型號： | TSS461C-TDRZ |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | VAN Data Link Controller |
| 中文描述： | 1 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PDSO24 |
| 封裝： | ROHS COMPLIANT, SO-24 |
| 文件頁數(shù)： | 42/57頁 |
| 文件大?。?/td> | 423K |
| 代理商： | TSS461C-TDRZ |
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42
TSS461C
4193G–AUTO–12/04
Messages Types
There are 5 basic message types defined in the TSS461C. Two of them (transmit and
receive message types) correspond to the normal frame, and the rest correspond to the
different versions of reply frames.
To transmit a normal data frame on the VAN bus, the user must program an identifier as
a Transmit Message. The TSS461C will then transmit this message on the bus until it
has succeeded or the retry count is exceeded.
The opposite of the transmit message type is the Receive Message type. This message
type will not generate any frames on the bus. Instead, it will listen to the bus until a
frame passes that matches its identifier, with the mask taken into account, and then
receive the data in that frame.
The data received will be stored in the message buffer and the length of the message
received is stored in the first byte of the message buffer.
The actual identifier received is stored in the identifier register itself. This identifier may
differ from the identifier specified in the register due to the effect of the mask register.
Normally, this should not interfere with the next identifier comparison since the bits that
may differ are masked via the mask register.
The Reply Request Message type is a demand to transmit on the VAN bus a reply
request. When this message type is programmed, three things can happen.
First, no other modules on the bus responded with an in-frame reply, in this case the
TSS461C will set the message type to the after transmission state. When this message
type is programmed, the TSS461C will listen on the bus for a deferred reply frame
matching this identifier, without transmitting the reply request.
Transmit Message
RNW
RTR
CHTx
CHRx
Initial Setup
0
0
0
Don’t Care
After Transmission
0
0
1
Unchanged
Receive Message
RNW
RTR
CHTx
CHRx
Initial Setup
0
1
Don’t Care
0
After Transmission
0
1
Unchanged
1
Reply Request Message
RNW
RTR
CHTx
CHRx
Initial Setup
1
1
0
0
After Transmission
(Waiting for reply)
1
1
1
0
After Reception
(of reply)
1
1
1
1
相關PDF資料 |
PDF描述 |
|---|---|
| TSS461CD | LAN Node Controller |
| TSS461CR | LAN Node Controller |
| TSS463-AA | TSS463-AA [Updated 3/03. 60 Pages] |
| TSS463D | Industrial Control IC |
| TSS463R | Industrial Control IC |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TSS461CVAN | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Van Controller Serial Interface |
| TSS461E | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461E_06 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461E-TDRA-9 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller |
| TSS461E-TDRZ-9 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:VAN Data Link Controller |
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