Rohde & Schwarz RTA4004 - Page 627

Remote control commands
R&S
®
RTA4000
627User Manual 1335.7898.02 ─ 08
Return values:
<StartTime> Range: depends on sample rate, record length, and time
base
Increment: depends on the time base
Default unit: s
Usage: Query only
BUS<b>:I2C:FRAMe<n>:BCOunt?
Returns the number of data bytes in the specified frame.
Suffix:
<b>
.
1..4
<n> *
Selects the frame.
Return values:
<ByteCount im
Frame>
Number of words (bytes)
Example:
BUS:I2C:FRAM2:BCO?
-> 4
Usage: Query only
BUS<b>:I2C:FRAMe<n>:BYTE<o>:ACCess?
Returns the acknowledge bit value of the specified data byte.
Suffix:
<b>
.
1..4
<n> *
Selects the frame.
<o> *
Selects the byte number.
Return values:
<Acknowledge> INComplete | ACK | NACK | EITHer
Usage: Query only
BUS<b>:I2C:FRAMe<n>:BYTE<o>:ACKStart?
Returns the start time of the acknowledge bit of the specified byte.
Suffix:
<b>
.
1..4
<n> *
Selects the frame.
Serial bus analysis