User Manual

Remote Control Commands

R&S

Scope Rider RTH

377User Manual 1326.1578.02 ─ 08

TRIGger:I2C:MODE <TriggerType>

Selects the trigger type for I

C analysis.

Parameters:

NACK = Missing acknowledge bit

ADAT = combination of address and data condition

For details, see "I2C Trigger" on page 170.

*RST: STARt

TRIGger:I2C:ADNack

Set ON to trigger if no slave recognizes the address.

The command takes effect if TRIGger:I2C:MODE is NACK.

Parameters:

<TrigOnNoAckForAddress>ON | OFF

*RST: ON

TRIGger:I2C:DRNack <NoAckDataRead>

Set ON to trigger if the end of the read process is marked when the master reads data

from the slave. This Nack is sent according to the protocol definition, it is not an error.

The command takes effect if TRIGger:I2C:MODE is NACK.

Parameters:

<NoAckDataRead> ON | OFF

*RST: ON

TRIGger:I2C:DWNack <NoAckDataWrite>

Set ON to trigger if he addressed slave does not accept the written data, and the write

data acknowledge bit is missing.

The command takes effect if TRIGger:I2C:MODE is NACK.

Parameters:

<NoAckDataWrite> ON | OFF

*RST: ON

TRIGger:I2C:ACCess <ReadWriteBit>

Toggles the trigger condition between read and write access of the master. Select

"Either" if the transfer direction is not relevant for the trigger condition.

The command takes effect if TRIGger:I2C:MODE is ADDRess or ADAT.

Protocol Analysis