Rohde & Schwarz RTA4004 - I²C (Option R&S RTA-K1)

Remote control commands
R&S
®
RTA4000
619User Manual 1335.7898.02 ─ 08
17.11.3 I²C (option R&S RTA-K1)
The Inter-Integrated Circuit is a simple, low-bandwidth, low-speed protocol used for
communication between on-board devices, for example, in LCD and LED drivers,
RAM, EEPROM, and others.
● I²C - configuration..................................................................................................619
● I²C - trigger............................................................................................................620
● I²C - decode results...............................................................................................622
17.11.3.1 I²C - configuration
Start the bus configuration with the threshold setting. Use one of the following com-
mands:
●
CHANnel<m>:THReshold:FINDlevel on page 441
●
CHANnel<m>:THReshold on page 440
In all BUS<b>:I2C... commands, the suffix <b> selects the bus.
BUS<b>:I2C:CLOCk:SOURce.........................................................................................619
BUS<b>:I2C:DATA:SOURce........................................................................................... 619
BUS<b>:I2C:CLOCk:SOURce <Source>
Sets the input channel to which the clock line is connected.
Suffix:
<b>
.
1..4
Parameters:
<Source> CH1 | CH2 | CH3 | CH4 | D0..D15
CH3 and CH4 are only available with 4-channel R&S RTA4000
oscilloscopes.
*RST: CH1
BUS<b>:I2C:DATA:SOURce <Source>
Sets the input channel to which the data line is connected.
Suffix:
<b>
.
1..4
Parameters:
<Source> CH1 | CH2 | CH3 | CH4 | D0..D15
CH3 and CH4 are only available with 4-channel R&S RTA4000
oscilloscopes.
*RST: CH1
Serial bus analysis