GW Instek GDS-2000A series Option User Manual - Manual (Page 55)

LOGIC ANALYZER
55
Operation 1. Connect each of the bus signals (Tx, Rx) to one
of the logic analyzer inputs. Connect the
ground potential of the bus to the logic
analyzer’s ground probe line.
GND
Rx
Tx
2. Press the Bus key.
B
BUS
3. Press Bus from the bottom menu
and choose the UART serial bus on
the side menu.
Define Inputs 4. Press Define Inputs from the bottom
menu.
5. From the side menu choose the Tx
Input and the Rx
Input source and the signal
polarity.
Tx OFF, D15~D0
Rx OFF, D15~D0
Polarity Normal (High = 0), Inverted (High
= 1)
Configuration The Configure key sets the baud rate, number of data
bits and parity.