参数资料
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: 50/60页
文件大小: 816K
代理商: TSS463A-TERZ
50
TSS463-AA
4205B–AUTO–12/04
Figure 33.
Disable Channel After Rearbitrate
In this case, the TSS463AA 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.
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 and 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 TSS463AA set
to 1 the Transmitted bit (CHTx) of the Message Length and Status Register.
The abort mechanism is integrated into the transmit function. This mainly means, abort,
priority and retries live together in the transmit function.
F
E
R
(
Set CHTx/Ch5 & ITTOK
Set CHER & CHTx /Ch5,
and set ITTE
X
(
(
(
Ex: set ACKE status bit
stand-by
F
X
Second attempt Xmit Ch5
Ex: ACK Error
(not seen by application)
(Retries - 1)
EOF+IFS
stand-by
D
(1) The disable is applied setting the CHTx/Ch8 bit to 1.
KO
OK
Delay
Viol
Delay
Viol
Delay
Viol
EOF+IFS: 8 + 4 Tmeslots
Delay Viol: 12 Tmeslots
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