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GDS-2000E Series User Manual
134
Threshold Configuration
Background
The threshold levels for the Serial buses can be set
to either a user-defined threshold level or to pre-
set threshold.
Set the Threshold
1. Press Threshold from the bottom
menu.
2. Press Select from the side menu
and choose a one of the serial bus
lines.
UART
Tx, Rx
I
2
C
SCLK, SDA
SPI
SCLK, SS, MOSI, MOSI
CAN
CAN_H, CAN_L, Tx, Rx
LIN
LIN Input
3. Press Choose Preset to select a pre-
set logic threshold.
Logic Type
Threshold
TTL
1.4V
5.0V CMOS
2.5V
3.3V CMOS
1.65V
2.5V CMOS
1.25V
ECL
-1.3V
PECL
3.7V
0V
0V
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