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SDS6000L User Manual
1 4 8 i n t . s i g l e n t . c o m
Slow Channel
-- the oscilloscope will be triggered on a Slow Channel Message.
Frame (short serial message) -- The 16-bit message consists of a 4-bit Message ID nibble, 2 nibbles
(1 byte) of data, and a CRC checksum nibble. If ID and data match, then trigger on the end of CRC bit.
The serial message frame contains 21 bits of payload data. Two different configurations can be chosen
and determined by the configuration bit (serial data bit #3, serial communication nibble No. 8):
Frame (enhanced serial message with 4bits ID) --16-bit data and 4-bit message ID, the configuration
bit is 1.
Frame (enhanced serial message with 8bits ID) —12-bit data and 8-bit message ID, the configuration
bit is 0.
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