GW Instek GDS-3000 Series DS3-SBD Serial Bus decode - Manual (Page 27)

MEASUREMENT
27
MOSI OFF, CH1~4
MISO OFF, CH1~4
Set the Threshold 1. Press Threshold from the bottom
menu.
2. Press Select from the side menu.
Choose SCLK, SS, MOSI or MISO
line thresholds.
Range SCLK, SS, MOSI, MISO
3. Press Threshold from the side menu
and configure the threshold.
To set to TTL levels (1.4V), press Set to
TTL.
To set to ECL levels (-1.3V), press Set
to ECL.
Configuration The Configure menu sets the data line logic level,
SCLK edge polarity, word size and bit order.
1. Press Configure from the bottom
menu.
2. From the side menu select SCLK edge, SS logic
level, word Size and Bit order.
SCLK
rising edge , falling edge
SS Active High, Active Low
Word Size 8 bits, 16 bits, 32 bits
Bit Order MS First, LS First