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| 型号： | TSS463A-TERZ |
| 厂商： | Atmel Corp. |
| 英文描述： | VAN Data Link Controller with Serial Interface |
| 中文描述： | 凡数据与串行接口链路控制器 |
| 文件页数： | 45/60页 |
| 文件大小： | 816K |
| 代理商： | TSS463A-TERZ |
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45
TSS463-AA
4205B–AUTO–12/04
Message Types
There are 5 basic message types defined in the TSS463AA. 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 TSS463AA 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.
In the first case no other modules on the bus responded with an in-frame reply, and in
this case the TSS463AA will set the message type to the after transmission state. When
this message type is programmed, the TSS463AA 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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSS463B | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Serial VAN Data Link Controller |
| TSS463B_03 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Serial VAN Data Link Controller |
| TSS463B_04 | 制造商:ATMEL 制造商全称: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 |
| TSS463B-TERA-9 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:VAN Data Link Controller with Serial Interface |
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