参数资料
型号: TSS461CR
英文描述: LAN Node Controller
中文描述: 网络节点控制器
文件页数: 44/52页
文件大小: 268K
代理商: TSS461CR
TSS461C
44
Rev. D (22 Feb 01)
In this case, the TSS461C completes the current attempt (Ch8) and let the transmission go on the new channel (Ch5
if validated), otherwise it stops all attempts on the current channel.
13.3. Abort
An abort command is dedicated to channels already enabled in transmission or in in-frame response. For example, this
command can be used to break the retry procedure on one channel.
Abort channel is done by setting the Error bit (CHER) in the Message Length & Status Register (base_address + 0x02).
This command is taken into account if the channel aborted is not transmitted. When this abort command is really done,
the TSS461C set to 1 the Transmitted bit (CHTx) of the Message Length & Status Register.
The abort mechanism is integrated into the transmit function. This mainly means, abort, priority and retries live
together in the transmit function.
R
C
s
A
Example: Ch0, Ch4, Ch6 & Ch13 set in Xmit ACK mode, Max-retry=2 (3 attempts).
A
S
A
A
S
S
i
S
i
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o
S
X
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X
12 Timeslots
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Figure 29. Abort example
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