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Serial Bus Analysis
R&S
®
RTB2000
185User Manual 1333.1611.02 ─ 03
Slave Address
Sets the slave address to be triggered on. If you want to trigger only on a data pattern
and the address is not relevant, enable "Any Address".
To specify the slave address, set the following properties:
●
Toggles the length of the slave address: "7Bit" or "10Bit".
●
Toggles the trigger condition between "Read" and "Write" access of the master.
The read/write bit is the 8
th
bit of the first address byte of a frame.
●
Sets the address of the slave device. To set an address, enter the binary or hexa-
decimal address value. You need an exact address, "X" bits (don't care) are not
allowed.
Remote command:
TRIGger:A:I2C:AMODe on page 386
TRIGger:A:I2C:ACCess on page 386
TRIGger:A:I2C:ADDRess on page 387
Symbolic ID
If a label list with symbolic names was loaded and applied in the bus configuration, you
can select a symbolic name from the list instead of specifying the address. When you
select a name, the adress fields are update with its address value.
Data condition
The data condition consists of the following settings:
●
Byte offset (position of the data pattern)
●
Length of the data pattern
●
Data pattern, see
"Bin / Hex pattern" on page 200
If you want to trigger only on an address, and the data is not relevant, set all data bits
to "X".
Byte Offset ← Data condition
Sets the number of offset bytes to be ignored after the end of the address bytes. The
first byte of interest is the first byte after the offset bytes.
The minimum offset is 0 Byte, the maximum offset is 4,095 Bytes.
Remote command:
TRIGger:A:I2C:POFFset on page 388
Number of Bytes ← Data condition
Sets the number of full bytes you want to trigger on. Maximum 3 bytes are possible.
Note: Entering data bits beyond the specified length of the pattern automatically
adjusts the "Number of Bytes" to include defined bytes.
Remote command:
TRIGger:A:I2C:PLENgth on page 387
Data: Bin / Hex pattern ← Data condition
Defines the data pattern in binary and hexadecimal format. To set an individual binary
bit or hex nibble (half byte), tap it and enter the value on the on-screen keypad. The
maximum pattern length is 3 bytes.
I²C (Option R&S RTB-K1)
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