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GW Instek GDS-3000 Series DS3-SBD Serial Bus decode User Manual

Page 27

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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