Micsig ATO1000 Series, Руководство пользователя

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Chapter 13 Serial Bus Trigger and Decode (Optional)
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of valid C/S sync pulse).
b)
Data word sync header: Triggered at the beginning of data word (at the end of valid data sync pulse).
c)
Command/status word: Triggered when the specified command/status word is detected.
d)
Remote terminal address: Triggered when RTA of command/status word matches the specified value.
e)
If you select this option, RTA softkey will be available, allowing you to select the hexadecimal remote
terminal address value to be triggered on it. If you select 0xXX (irrelevant), oscilloscope will trigger
on any RTA.
f)
Manchester coding error: Triggered when a Manchester coding error is detected.
g)
Data word: Triggered when the specified data word is detected.
h)
Odd parity error: Triggered when the odd parity bit is incorrect for data in the word.
i)
All errors: Triggered when an error is detected.
⚫ 1553B serial decode
The measured signal source is CH1, the bus display is hexadecimal, the baud rate is 12.5kb/s, and the
trigger mode is the command/status word sync header, and operate as follows:
(1) Tap S1 to open the decode channel, and click S1 again to open the bus configuration menu;
(2) Select the bus type as “1553B”, source as “CH1’, and display in “hexadecimal”.
(3) Open the trigger setting menu, select the trigger type as bus trigger, 1553B, and trigger mode as
“command/status word sync header”.
Channel threshold level is adjusted according to signal amplitude. 1553B trigger graphic interface is shown
in Figure 13-32:
Figure 13-32 1553B Graphic Interface