Rigol DS2072A 2-channel oscilloscope, Digital Storage oscilloscope, DS2072A Manuale Utente
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DS2072A
RIGOL
DS2000A User’s Guide
7-13
SPI Decoding (Option)
SPI serial bus consists of clock line (SCLK) and data line (SDA).
Host
Device
SDA
SCLK
SDA
SCLK
SCLK
SDA
SCLK: sample the SDA on the clock rising edge or falling edge.
SDA: denote the data channel.
Press Decode1 Decode to select “SPI” and open the SPI decoding function
menu.
1. SCLK Setting
Press SCLK to enter the clock line setting interface.
Press Channel to select any channel (CH1 or CH2) as the clock channel.
Press Slope to set to sample the SDA on the rising or falling edge of the
Press Channel to select any channel (CH1 or CH2) as the clock channel.
Press Slope to set to sample the SDA on the rising or falling edge of the
SCLK.
Press Threshold to set the threshold of the clock channel.
2. SDA Setting
Press SDA to enter the SDA data line setting interface.
Press Channel to select any channel (CH1 or CH2) as the data channel. If
Press Channel to select any channel (CH1 or CH2) as the data channel. If
“OFF” is seelcted, this data line will not be set.
Press Polarity to set the polarity of the SDA data line to
(high) or
(low).
Press Threshold to set the threshold of the data channel.
3. Data Bits Setting
Press Data Bits to set the number of bits of each frame of data. The range