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2.5
Combination of Data Formats
Circuit idle state
IM 760301-17E
The RS-232 interface of the WT3000 performs communications using start-stop
synchronization. In start-stop synchronization, characters are transmitted one at a time.
Each character consists of a start bit, data bits, a parity bit, and a stop bit (see the
following figure).
Start bit
1 character
Data bit
(7 or 8 bits)
Parity bit
Even, odd or none
Level returns to idle
state (dotted line)
until the start bit of
the next item of data
(solid line).
Stop bit
1
1 or 2 bits
2
2-7
1
2
3
4
5
6
7
App
Index
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