Keysight E2666B X-series oscilloscope Datasheet

Keysight Technologies
Serial Bus Options for InfiniiVision
X-Series Oscilloscopes
Data Sheet
Introduction
Serial buses are pervasive in today’s digital designs and are used for a variety of purposes including onboard chip-to-chip communication, CPU to peripheral control, as well as for remote sensor data transfer
and control.
Without intelligent oscilloscope serial bus triggering and protocol decode, it can be difficult to debug
these buses and correlate data transfers with other mixed signal interactions in your system. Keysight
Technologies, Inc. InfiniiVision X-Series oscilloscopes (DSOs) and mixed-signal oscilloscopes (MSOs) offer
optional integrated serial bus triggering and hardware-based protocol decoding solutions that give you the
tools you need to accelerate debug of your designs that include serial bus communication.
Supported Protocols and Features
–– I2C
–– SPI
–– RS232/UART
–– CAN
–– CAN FD (except 2000 X-Series)
–– CAN-dbc symbolic decode and trigger (except 2000 X-Series)
–– LIN
–– LIN-ldf symbolic decode and trigger (except 2000 X-Series)
–– SENT (3000T, 4000 and 6000 X-Series only)
–– CXPI (3000T and 4000 X-Series only)
–– FlexRay (except 2000 X-Series)
–– USB 2.0 low- and full-speed (4000 and 6000 X-Series)
–– USB 2.0 hi-speed (4000 and 6000 X-Series only)
–– USB 2.0 signal quality (4000 and 6000 X-Series only)
–– I2S (except 2000 X-Series)
–– MIL-STD 1553 (except 2000 X-Series)
–– ARINC 429 (except 2000 X-Series)
–– Hardware-based decoding
–– Multi-bus analysis (except 2000 X-Series)
–– Automatic search and navigation
–– Compatibility with segmented memory acquisition
–– Eye-diagram mask files available for CAN, FlexRay, MIL-STD 1553, and ARINC 429 (requires
DSOX2MASK/DSOX3MASK/DSOX4MASK/DSOX6MASK mask test option)
–– FlexRay physical layer conformance test software (except 2000 X-Series)
03 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Hardware-Based Decoding
Automatic Search and Navigation
Figure 1. Hardware-based decoding quickly reveals serial communication
errors.
Figure 3. Automatic “Search &
Navigation” quickly finds userspecified serial bus frames/bytes of
interest.
Keysight’s InfiniiVision Series oscilloscopes are the industry’s only
Keysight’s InfiniiVision Series oscilloscopes are the industry’s only
scopes to use hardware-based decoding. Most other vendor’s
scopes with serial bus triggering and protocol decode, use
software post-processing techniques to decode serial packets/
frames. With these software techniques, waveform- and decodeupdate rates tend to be slow (sometimes seconds per update.)
That’s especially true when using deep memory, which is often
required to capture multiple packetized serial bus signals. And
when analyzing multiple serial buses simultaneously, software
techniques can make decode update rates even slower.
Faster decoding with hardware-based technology enhances
scope usability, and more importantly, the probability of
capturing infrequent serial communication errors. Figure 1 shows
an example of a Keysight InfiniiVision X-Series scope capturing
a random and infrequent CAN error frame. The upper half of the
scope’s display shows the decoded data in a “Lister” format,
along with a time-correlated decode trace shown below the
waveform.
Symbolic Trigger and Decode
With the DSOXT3AUTO, DSOX4AUTO or DSOX6AUTO option
licensed on a 3000T, 4000 or 6000 X-Series oscilloscope, you
can import a .dbc file that defines your multi-node CAN network.
The oscilloscope can then trigger on and decode the CAN bus
symbolically as shown in Figure 2. LIN symbolic trigger and
decode is also supported on the 3000T, 4000, and 6000 X-Series
oscilloscopes by importing an industry-standard .ldf file.
Figure 2. Symbolically decoding the CAN bus.
After capturing a long record of serial bus communication using
the InfiniiVision scope’s MegaZoom deep memory, you can
easily perform a search operation based on specific criteria
that you enter. Then, you can quickly navigate to bytes/frames
of serial data that satisfy the entered search criteria. Figure 3
shows an example of searching on captured I2C data to find all
occurrences of Read or Write operations with “No Ack.” In this
case, the scope found five occurrences of data transfers with “No
Ack,” and marked each occurrence with a white triangle to show
where in time they happened relative to the captured waveform.
Navigating and zooming-in on each marked byte/frame is quick
and easy using the scope’s front panel navigation keys. Search
and Navigation not available for DSOXT3CXPI/DSOX4CXPI.
04 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Multi-bus Analysis
Using Segmented Memory to Capture
Multiple Serial Bus
Figure 4. An interleaved “Lister” makes it easier to time-correlate activity
between two decoded serial buses.
Figure 5. Segmented memory acquisition selectively captures more
packets/bytes of serial bus activity.
Many of today’s designs include multiple serial buses. Sometimes
it may be necessary to correlate data from one serial bus to
another. Keysight’s InfiniiVision 3000, 4000 and 6000 X-Series
oscilloscopes can decode two serial buses simultaneously using
hardware-based decoding. Plus they are the only scopes on
the market that can also display the captured data in a timeinterleaved “Lister” display, as shown in Figure 4. In this particular
example, the scope has simultaneously decoded and interleaved
a CAN and LIN bus in an automotive system.
PacketsThe segmented memory option for Keysight’s InfiniiVision
X-Series oscilloscopes (standard in 3000T, 4000 and 6000
X-Series) can optimize your scope’s memory, letting you
capture more packets/frames of serial bus activity. Segmented
memory acquisition optimizes the number of packetized serial
communication frames that can be captured consecutively.
Segmented memory does this by capturing just the selective
frames/bytes of interest while ignoring (not digitizing) idle time
and other unimportant frames/bytes. Figure 5 shows an example
of the oscilloscope capturing 500 consecutive hi-speed USB split
packets for a total acquisition time of approximately
200 ms. Capturing this much data using conventional
oscilloscope acquisition memory would require 1G bytes of
memory.
Keysight’s InfiniiVision X-Series oscilloscopes are the only
scopes on the market today that can acquire segments on up
to four analog channels of acquisition, and time-correlated
segments on digital channels (using an MSO model), along with
automatic hardware-based serial bus decoding for each segment.
In addition, you can use the scope’s Search and Navigation
capability after a segmented memory acquisition has been
performed.
05 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Serial Bus Eye-diagram and Pulse Mask Testing
With the addition of the DSOX2MASK, DSOX3MASK, DSOX4MASK or DSOX6MASK mask test option, which can perform over 200,000
pass/fail tests (50,000 on 2000 X-Series) per second, you can perform eye-diagram and pulse mask testing on CAN signals on all
InfiniiVision X-Series oscilloscopes. Eye-diagram mask testing on FlexRay, MIL-STD 1553, and ARINC 429 signals can be performed
using an InfiniiVision 3000, 4000 or 6000 X-Series oscilloscope. Eye-diagram measurements provide a comprehensive signal quality
test of the integrity of your transmitted and received signals. Keysight provides various mask files that you can download at no charge.
The mask files are based on published industry mask standards and/or derived from physical layer/electrical specifications.
The following CAN mask files are available:
–– 125 kbps – 400 meters
–– 250 kbps – 200 meters
–– 500 kbps – 10 meters
–– 500 kbps – 80 meters
–– 800 kbps – 40 meters
–– 1000 kbps – 25 meters
Mask files for CAN FD are also available (3000, 4000, and 6000
X-Series only). CAN FD eye-diagrams are based on the first
10 bits of the FD phase from all frames.
Figure 6. CAN 500 kbps mask test on 10 meter system.
The following FlexRay mask test files are available:
–– TP1 standard voltage (10 Mbps only)
–– TP1 increased voltage (10 Mbps only)
–– TP11 standard voltage (10 Mbps only)
–– TP11 increased voltage (10 Mbps only)
–– TP4 10 Mbps
–– TP4 5 Mbps
–– TP4 2.5 Mbps
Figure 7. FlexRay TP4 eye-diagram mask test.
The following MIL-STD 1553 mask test files are available:
–– System xfmr-coupled Input
–– System direct-coupled Input
–– BC xfmr-coupled Input
–– BC direct-coupled Input
–– RT xfmr-coupled Input
–– RT direct-coupled Input
Figure 8. MIL-STD 1553 BC to RT xfrm-coupled input mask test reveals a
shifted bit that violates the pass/fail mask.
06 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Serial Bus Eye-diagram and Pulse Mask Testing
The following ARINC 429 mask/pulse test files are available:
–– 100 kbps Eye Test
–– 100 kbps 1’s Pulse Test
–– 100 kbps 0’s Pulse Test
–– 100 kbps Null Level Test
–– 12.5 kbps Eye Test
–– 12.5 kbps 1’s Pulse Test
–– 12.5 kbps 0’s Pulse Test
–– 12.5 kbps Null Level Test
For additional information about eye-diagram mask testing on
CAN, FlexRay, MIL-STD 1553, and ARINC 429 signals, refer to the
application notes listed at the end of this document.
Figure 9. ARINC 429 100 kbps eye-diagram mask test.
Automated Physical Layer Conformance
Testing
To perform USB 2.0 signal quality testing based on USB-IF
compliance standards, Keysight offers the DSOX4USBSQ or
DSOX6USBSQ options on InfiniiVision 4000 or 6000 X-Series
oscilloscopes. Figure 10 shows an example of the USB 2.0
real-time eye test. Also included with this option is complete
signal quality test report generation in HTML format. To see the
complete list of supported tests, refer to the DSOX4USBSQ/
DSOX6USBSQ signal quality test option data sheet listed at the
ended of this document.
To perform physical layer conformance testing on the differential
FlexRay bus, Keysight provides a PC-based software package
that you can download from Keysight’s website at no additional
charge. If the InfiniiVision X-Series scope is licensed with the
FlexRay, mask test, and segmented memory, you can perform
automated physical layer tests at either receiver input or
transmitter output test points. Figure 10 shows an example of the
generated report from a signal integrity voting test on a 10-Mbs
isolated “1” pulse. The test report includes comprehensive pass/
fail and margin analysis based on published specifications.
Figure 10. USB 2.0 signal quality eye test based on USB-IF physical layer
compliance standards.
Refer to the tables in the Specifications/Characteristics section
of this document on page 17 to see the entire list of 33 available
FlexRay tests that can be selected and performed using the
FlexRay physical layer conformance test software package.
Figure 11. FlexRay signal integrity voting test performed on an isolated
“1” bit.
07 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Probing Differential Serial Buses
Many of today’s serial buses are based on differential signaling including USB, CAN, CAN FD, FlexRay, MIL-STD 1553, and ARINC 429.
In addition, serial buses based on the RS232/UART protocol are often differential if implemented with RS422 or RS485 output drivers/
transceivers. Keysight offers a wide range of differential active probes compatible with the InfiniiVision X-Series oscilloscopes for
various bandwidth and dynamic range applications. Table 1 shows the differential probes that Keysight recommends for each of the
listed differential serial buses.
Table 1. Recommended probes for differential buses
Differential bus (max bit rate)
CAN (1 Mbps)
CAN FD (10 Mbps data phase)
FlexRay (10 Mbps)
MIL-STD 1553 (1 Mbps)
ARINC 429 (100 kbps)
RS422/RS485 (10 Mbps)
Hi-speed USB (480 Mbps)
1.
N2791A (25-MHz bandwidth)
X
X
X
X
N2818A 1 (200-MHz bandwidth)
X
X
X
X
X
X
N2750A (1.5-GHz bandwidth)
X
The N2818A differential probe is not compatible with Keysight’s InfiniiVision 2000 X-Series oscilloscopes.
If you need to connect to DB9-SubD connectors on your
differential CAN, CAN FD and/or FlexRay bus, Keysight also offers
the CAN/FlexRay DB9 probe head (part number 0960-2926) is
shown in the inset picture of Figure 12.
When probing differential signals inside of environmental
chambers at extreme temperatures, Keysight offers the N7013A
extreme temperature extension kit shown in Figure 13. The
N7013A is compatible with the N2791A and N2818A differential
probes and can operate in temperatures ranging from -40
degrees to +85 degree Celsius. To learn more about this probing
solution, refer the Extreme Temperature Probing Solutions
selection guide (publication number 5991-3504EN) listed at the
end of this document.
Figure 12. Keysight’s N2818A 200-MHz differential active probe.
The N2750A differential active probe shown in Figure 14, which is
recommended for hi-speed USB 2.0 measurement applications,
is based on Keysight’s InfiniiMode technology. With the press of
a button, you can quickly toggle between viewing the differential
signal, high-side signal, low-side signal, or the common mode
signal on the USB 2.0 hi-speed bus without moving probe
connections.
Figure 14. Keysight’s N2750A 1.5-GHz InfiniiMode differential active
probe.
Figure 13. The N7013A extreme temperature probing kit for differential
probes.
08 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics
I2C specifications/characteristics (DSOX2EMBD, DSOX3EMBD, and DSOX4EMBD
Clock and data input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 (3000, 4000 and 6000 X-Series only)
Max clock/data rate
Up to 3.4 Mbps
Triggering
Start condition
Stop condition
Missing acknowledge
Address with no acknowledge
Restart
EEPROM data read
Frame (Start:Addr7:Read:Ack:Data)
Frame (Start:Addr7:Write:Ack:Data)
Frame (Start:Addr7:Read:Ack:Data:Ack:Data2)
Frame (Start:Addr7:Write:Ack:Data:Ack:Data2)
10-bit write
Hardware-based decode
Data (HEX digits in white)
Address decode size: 7 bits (excludes R/W bit) or 8 bits (includes R/W bit)
Read address (HEX digits followed by “R” in yellow)
Write address (HEX digits followed by “W” in light-blue)
Restart addresses (“S” in green, followed by HEX digits, followed by “R” or “W”)
Acknowledges (suffixes “A” or “~A” in the same color as the data or address preceding it)
Idle bus (mid-level bus trace in dark blue)
Active bus (bi-level bus trace in dark blue)
Unknown/error bus (bi-level bus trace in red)
Multi-bus analysis
I2C plus one other serial bus, including another I2C bus. (3000, 4000 and 6000 X-Series only)
09 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
SPI specifications/characteristics (DSOX2EMBD, DSOX3EMBD, DSOX4EMBD and DSOX6EMBD)
MOSI, MISO, Clock, and CS input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 (3000, 4000 and 6000 X-Series only)
Max clock/data rate
Up to 25 Mb/s
Triggering
4- to 64-bit data pattern during a user-specified framing period
Framing period can be a positive or negative chip select (CS or ~CS) or clock idle time (timeout)
Hardware-based decode
Number of decode traces: 2 independent traces (MISO and MOSI)
Data (hex digits in white)
Unknown/error bus (bi-level bus trace in red)
Number of clocks/packet (“XX CLKS” in light-blue above data packet)
Idle bus (mid-level bus trace in dark blue)
Active bus (bi-level bus trace in dark blue)
Multi-bus analysis
SPI plus one other serial bus, excluding another SPI bus. (3000, 4000 and 6000 X-Series only)
10 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
RS232/UART specifications/characteristics (DSOX2COMP, DSOX3COMP, DSOX4COMP and DSOX6COMP)
Tx and Rx input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 (3000, 4000 and 6000 X-Series only)
Bus configuration
–– Baud rates
100 b/s up to 8 Mb/s
–– Number of bits
5 to 9
–– Parity
None, odd, or even
–– Polarity
Idle low or idle high
–– Bit order
LSB out first or MSB out first
Triggering
Rx start bit
Rx stop bit
Rx data
Rx 1:data (9-bit format)
Rx 0:data (9-bit format)
Rx X:data (9-bit format)
Rx or Tx parity error
Tx start bit
Tx stop bit
Tx data
Tx 1:data (9-bit format)
Tx 0:data (9-bit format)
Tx X:data (9-bit format)
Burst (nth frame within burst defined by timeout)
Hardware-based decode
–– Number of decode traces
2 independent traces (Tx and Rx)
–– Data format
Binary, hex, or ASCII-code characters
–– Data byte display
White characters if no parity error, red characters if parity or bus error
–– Idle bus trace
Mid-level bus trace in blue
–– Active bus trace
Bi-level trace in blue
Multi-bus analysis
RS232/UART plus one other serial bus, including another RS232/UART bus. (3000, 4000 and 6000 X-Series
only)
Totalize/counter function
Total received frames
Total transmitted frames
Total parity error frames (with percentage)
11 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
USB 2.0 low- and full-speed specifications/characteristics (DSOX4USBFL and DSOX6USBFL)
USB input source (D+ & D-)
Analog channels 1, 2, 3, 4
Digital channels D0-D15
Speed
Low (1.5 Mb/s) and Full (12 Mb/s)
Triggering
Start of packet (SOP)
End of packet (EOP)
Suspend – when bus is idle for > 3 ms
Resume – when exiting an idle state > 10 ms
Reset – when SE0 is > 10 ms
Token packet with specified content
Data packet with specified content
Handshake packet with specified content
Special packet with specified content
All errors – any of the below error conditions
PID error – if packet type field does not match check field
CRC5 error – if 5 bit CRC error is detected
CRC16 error – if 16 bit CRC error is detected
Glitch error – if two transitions occur in half a bit time
Bit stuff error – if >6 consecutive “ones” are detected
SE1 error – if SE1 > 1 bit time
Hardware-based decode
–– Base format
Hex, Binary, ASCII, or Decimal data decode
–– Token packets (excluding SOF, 3 bytes)
PID (yellow, “OUT”, “IN”, “SETUP”, “PING”)
PID Check (yellow when valid, red when error detected) – numeric value
Address (blue, 7 bits)
Endpoint (green, 4 bits)
CRC (blue when valid, red when error detected, 5 bits)
–– Token packets (SOF, 3 bytes)
PID (yellow, “SOF”)
PID Check (yellow when valid, red when error detected, 5 bits)
Frame (green, 11-bits) – the frame number
CRC (blue when valid, red when error detected, 5 bits)
–– Data packets (3 to 1027 bytes)
PID (yellow, “DATA0”, “DATA1”, DATA2”, “MDATA”)
PID Check (yellow when valid, red when error detected, 16 bits)
–– Handshake packets (1 byte)
PID (yellow, “ACK”, “NAK”, “STALL”, “NYET”, “PRE”, “ERR”)
PID Check (yellow when valid, read when error detected) – numeric value
Hub Addr (green, 7 bits)
SC (blue, 1 bit)
Port (green, 7 bits)
S & E|U (blue, 2 bits)
ET (green, 2 bits)
CRC (blue when valid, red when error detected, 5 bits
–– Multi-bus analysis
USB low-full-speed plus one other serial bus (including another USB bus)
12 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
USB 2.0 high-speed specifications/characteristics (DSOX4USBH and DSOX6USBH)
USB differential input source
Analog channels 1, 2, 3, 4 (using a differential active probe)
Speed
High (480 Mb/s)
Triggering
Token packet with specified content
Data packet with specified content
Handshake packet with specified content
Special packet with specified content
All errors – any of the below error conditions
PID error – if packet type field does not match check field
CRC5 error – if 5 bit CRC error is detected
CRC16 error – if 16 bit CRC error is detected
Glitch error – if two transitions occur in half a bit time
Hardware-based decode
Base format
Hex, Binary, ASCII, or Decimal data decode
Token packets (excluding SOF, 3 bytes)
PID (yellow, “OUT”, “IN”, “SETUP”, “PING”)
PID check (yellow when valid, red when error detected) – numeric value
Address (blue, 7 bits)
Endpoint (green, 4 bits)
CRC (blue when valid, red when error detected, 5 bits)
Token packets (SOF, 3 bytes)
PID (yellow, “SOF”)
PID check (yellow when valid, red when error detected, 5 bits)
Data packets (3 to 1027 bytes)
Frame (green, 11-bits) – the frame number
CRC (blue when valid, red when error detected, 5 bits)
PID (yellow, “DATA0”, “DATA1”, DATA2”, “MDATA”)
PID check (yellow when valid, red when error detected, 16 bits)
Handshake packets (1 byte)
PID (yellow, “ACK”, “NAK”, “STALL”, “NYET”, “PRE”, “ERR”)
PID check (yellow when valid, read when error detected) – numeric value
Hub Addr (green, 7 bits)
SC (blue, 1 bit)
Port (green, 7 bits)
S & E|U (blue, 2 bits)
ET (green, 2 bits)
CRC (blue when valid, red when error detected, 5 bits
Multi-bus analysis
N/A
13 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
CAN specifications/characteristics (DSOX2AUTO and DSOX3AUTO)
CAN input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 non-differential. (3000 X-Series only)
Signal types
Rx, Tx, CAN_L, CAN_H, Diff (L-H), Diff (H-L)
Baud rates
10 kb/s up to 5 Mb/s
Triggering
Start-of-frame (SOF)
Remote frame ID (RMT)
Data frame ID (~RMT)
Remote or data frame ID
Data frame ID and data
Error frame
All errors (includes protocol “form” errors that may not generate flagged error frames)
Acknowledge errors
Overload frames
ID length: 11 bits or 29 bits (extended)
Hardware-based decode
Frame ID (hex digits in yellow)
Remote frame (RMT in green)
Data length code (DLC in blue)
Data bytes (hex digits in white)
CRC (hex digits in blue = valid, hex digits in red = error)
Error frame (bi-level bus trace and ERR message in red)
Form error (bi-level bus trace and “?” in red)
Overload frame (“OVRLD” in blue)
Idle bus (mid-level bus trace in dark blue)
Active bus (bi-level bus trace in dark blue)
Multi-bus analysis
CAN plus one other serial bus, including another CAN bus. (3000 X-Series only)
Totalize function
Total frames, total overload frames, total error frames, bus utilization (bus load)
Eye-diagram mask testing (3000 X-Series
Various downloadable mask files available based on differential probing polarity, baud rate, and network
only, requires DSOX3MASK)
length
14 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
CAN/CAN FD specifications/characteristics (DSOXT3AUTO, DSOX4AUTO, and DSOX6AUTO)
Note: “Classic” CAN 2.0 is a subset of CAN FD. CAN FD trigger and decode supports ISO and non-ISO CAN FD specifications. Both of these protocol
standards are supported with the DSOXT3AUTO, DSOX4AUTO, and DSOX6AUTO option in an InfiniiVision 3000T, 4000, and 6000 X-Series oscilloscope.
CAN input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 non-differential
Signal types
Rx, Tx, CAN_L, CAN_H, Diff (L-H), Diff (H-L)
Standard baud rates
10 kb/s up to 5 Mb/s
FD baud rates
10 kb/s up to 10 Mb/s
Triggering
SOF (Start-of-frame)
EOF (End-of-frame, filtered by ID)
Data frame ID (11 bits or 29 bits: Extended)
Data frame ID and data – non FD
Data frame ID and data - FD
Remote frame ID (RTR)
Remote or data frame ID
Error frame (filtered by ID)
Acknowledge error (filtered by ID)
Form error (filtered by ID)
Stuff error (filtered by ID)
CRC error (filtered by ID)
Spec error (includes Ack, Form, Stuff, or CRC error; filter by ID)
All errors (includes any Spec error or Error frame; filtered by ID)
BRS bit (filtered by ID of FD frames only)
CRC delimiter bit (filtered by ID of FD frames only)
ESI bit active (filtered by ID of FD frames only)
ESI bit passive (filtered by ID of FD frame only)
Overload frames
Symbolic triggering (based on .dbc file)
Message names
Message and signal values/encoded states (first 8 bytes)
Hardware-based decode
Frame ID (hex digits in yellow)
Remote frame (RMT in green)
Data length code (DLC = with decimal digits in blue)
Data bytes (hex digits in white)
ESI bit passive (frame type column in lister shaded yellow; FD frames only)
Error frame (bi-level red bus trace with ERR FRAME in red)
Stuff bit error (bi-level red bus trace with STUFF ERR in red)
Form error (bi-level red bus trace with FORM ERR in red)
Acknowledge error (bi-level red bus trace with ACK ERR in red)
CRC (hex digits in blue = valid, hex digits in red = error)
Overload frame (“OVRLD” in blue)
Idle bus (mid-level dark blue bus trace)
Active bus (bi-level dark blue bus trace with embedded decode within)
Symbolic decode (based on .dbc file)
Message names (alpha-numeric characters in yellow)
Signal names, value/encoded state (first 8 bytes), and units (alpha-numeric characters in white)
Multi-bus analysis
CAN/CAN FD plus one other serial bus, including another CAN/CAN FD bus
Totalize function (real time)
Total frames, total error frames with %, total spec errors, bus load in %
CAN/CAN FD Eye-diagram mask testing
Various downloadable mask files available based on differential probing polarity, baud rate, and network
length
(requires DSOX3MASK/DSOX4MASK/
DSOX6MASK)
15 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
LIN specifications/characteristics (DSOX2AUTO, DSOX3AUTO, DSOXT3AUTO, DSOX4AUTO and DSOX6AUTO)
LIN input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 except 2000 X-Series
LIN standards
LIN 1.3 or LIN 2.X
Baud rates
2400 b/s to 625 kb/s
Triggering
Sync break
Frame ID (0X00HEX to 0X3FHEX)
Frame ID and data
Parity error
Checksum error
Symbolic decode (except 2000X)(based on
Message names (alpha-numeric characters in yellow)
.ldf file)
Signal names, value/encoded state and units (alpha-numeric characters in white)
Hardware-based decode
Frame ID (6-bit hex digits in yellow)
Frame ID and optional parity bits (8-bit hex digits in yellow if valid, red if parity bit error)
Data bytes (hex digits in white)
Check sum (hex digits in blue = valid, hex digits in red = error)
Sync error (“SYNC” in red)
THeader-max (“THM” in red)
TFrame-max (“TFM” in red)
Parity error (“PAR” in red)
LIN 1.3 wake-up error (“WUP” in red)
Idle bus (mid-level bus trace in dark blue)
Active bus (bi-level bus trace in dark blue)
Symbolic triggering (except 2000X) (based on Message names
.dbc file)
Message and signal values/encoded states
Multi-bus analysis
LIN plus one other serial bus, including another LIN bus. (except 2000X)
16 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
SENT specifications/characteristics (DSOXT3SENSOR, DSOX4SENSOR, and DSOX6SENSOR)
CAN input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15 non-differential
Clock period
1 µs to 300 µs with user-defined tolerance setting from 3 to 30%
Number of nibbles
1 to 6
Idle state
High or low
CRC format
2008 or 2010 standards
Pause pulse
On/Off
Message format
Fast Nibbles (All)
Fast Signals (only)
Fast + Short Serial
Fast + Enhanced Serial (automatically detects bit format: 12-bit data/8-bit ID or 16-bit data/4-bit ID)
Short Serial (only)
Enhanced Serial (only)
Number of defined signals
1 to 6 (each specified by start bit #, number of bits, and nibble order)
Numerical format of signals
Hexadecimal, unsigned decimal, or transfer function with user-defined multiplier and offset for each
defined signal
Triggering
Start of fast channel message
Start of slow channel message
Fast channel status & communication nibble + data
Slow channel message ID
Slow channel message ID + data
Tolerance violation (sync pulse width exceeds user-specified tolerance)
Fast channel CRC error
Slow channel CRC error
All CRC errors
Pulse period error (if nibbles are < 12 or > 27 ticks wide)
Successive sync pulses error (if consecutive sync pulse widths are greater than 1/64 difference)
Fast channel decode
Status & communication nibble (binary digits in green)
Data (hex, unsigned decimal, or transfer function digits in white based on user-defined signal format)
CRC error (hex digit in blue = valid, hex digit in red = error)
Pulse period error (< or > in red)
Slow channel decode
Message ID (hex digits in yellow)
Data (hex digits in white)
CRC (hex digits in blue = valid, hex digits in red = error)
Multi-bus analysis
SENT plus one other serial bus, including another SENT bus
17 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
CXPI specifications/characteristics (DSOXT3CXPI and DSOX4CXPI)
CXPI input source
Analog channels 1, 2, 3 or 4
Baud rates
9.6 kb/s to 40 kb/s (20 kb/s typical) with tolerance setting
Triggering
SOF (Start-of-frame)
EOF (End-of-frame)
PTYPE
Frame ID (PTPYE present or not present)
Frame ID + info + data
Frame ID + info + data (long frame)
CRC field error (filtered by ID)
Parity error
Inter-byte space error (filtered by ID)
Inter-frame space error (filtered by ID)
Framing error (filtered by ID)
Data length error (filtered by ID)
Sample error
All errors
Sleep frame
Wakeup pulse
Hardware-based decode
Frame ID (hex digits in yellow if valid or red if parity error)
Data length code (DLC = with decimal digits in blue)
Network management (NM) bits (binary digits in green)
Counter (CT) bits (binary digits in yellow)
Data (hex digits in white)
CRC (hex digits in blue = valid, hex digits in red = error)
Idle bus (mid-level dark blue bus trace)
Active bus (bi-level dark blue bus trace with embedded decode within)
Inter-byte space error (IBS ERR in red)
Data length error (LEN ERR in red)
Sleep mode (SLEEP MODE in orange within bi-level orange bus trace)
Wakeup pulse (WAKEUP PULSE in blue with bi-level blue bus trace)
Multi-bus analysis
CXPI plus one other serial bus
18 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
FlexRay specifications/characteristics (DSOX3FLEX, DSOX4FLEX and DSOX6FLEX)
FlexRay input source
Channel 1, 2, 3, or 4 (using differential probe)
FlexRay channels
A or B
Baud rates
2.5 Mbps, 5.0 Mbps, and 10 Mbps
Frame triggering
Frame type: Startup (SUP), not startup (~SUP), sync (SYNC), not sync (~SYNC), null (NULL), not null
(~NULL), normal (NORM), and All
Frame ID: 1 to 2047 (decimal format), and All
Cycle Base: 0 to 63 (decimal format), and All
Repetition: 1, 2, 4, 8, 16, 32, 64 (decimal format), and All
Error triggering
All errors
Header CRC error
Frame CRC error
Event triggering
Wake-up
TSS (transmission start sequence)
BSS (byte start sequence)
FES/DTS (frame end or dynamic trailing sequence)
Frame decoding
Frame type (NORM, SYNC, SUP, NULL in blue)
Frame ID (decimal digits in yellow)
Payload-length (decimal number of words in green)
Header CRC (hex digits in blue if valid, or red digits if invalid)
Cycle number (decimal digits in yellow)
Data bytes (HEX digits in white)
Frame CRC (hex digits in blue if valid, or red digits
Totalize function
Total frames
Total synchronization frames
Total null frames
TP1 standard voltage (10 Mbps only)
Eye-diagram mask testing (requires
DSOX3MASK mask test option plus
TP1 increased voltage (10 Mbps only)
downloadable mask files)
TP11 standard voltage (10 Mbps only)
TP11 increased voltage (10 Mbps only)
TP4 10 Mbps, TP4 5 Mbps and TP4 2.5 Mbps
Multi-bus analysis
FlexRay plus one other serial bus (including another FlexRay bus)
19 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
FlexRay Physical Layer Conformance Test software
Requires FlexRay option (DSOX3FLEX/DSOX4FLEX/DSOX6FLEX)
Mask test option (DSOX3MASK/DSOX4MASK/DSOX6MASK)
Segmented memory option (DSOX3SGM or standard on 3000T, 4000 and 6000 X-Series)
Table 1. Receiver input tests
Parameter tested
Test description
Eye-diagram mask tests:
–– TP4 – All
Receiver mask test on all frames
–– TP4 – ID
Receiver mask test on specified frame
Signal integrity voting tests on 13 MHz low-pass filtered Isolated “1”:
–– uData1Top
Required maximal level
–– dBitShort
Shortest single bit
–– dBitLengthVariation
Bit asymmetry
–– dEdge01
Rising edge duration (-300 mV to +300 mV)
–– dEdge10
Falling edge duration (+300 mV to -300 mV)
–– dEdgeMax
Slowest edge
–– Sq1
Isolated “1” voted signal quality
Signal integrity voting tests on 13 MHz low-pass filtered Isolated “0”:
–– uData0Top
Required minimal level
–– dBitShort
Shortest single bit
–– dBitLengthVariation
Bit asymmetry
–– dEdge01
Rising edge duration (-300 mV to +300 mV)
–– dEdge10
Falling edge duration (+300 mV to -300 mV)
–– dEdgeMax
Slowest edge
–– Sq0
Isolated “0” voted signal quality
Advanced diagnostic tests:
–– gdTSSTransmitter
Transmitted TSS width @ receiver
–– MCT
Mean corrected cycle time
–– uBusRx-Data
Data 1 amplitude
–– -uBusRx-Data
Data 0 amplitude
–– uRx-Idle
Mean idle level
–– dBusRx01
Rise time Data0 to Data1 (–300 mV to +300 mV)
–– dBusRx10
Fall time Data1 to Data0 (+300 mV to -300 mV)
Table 2. Transmitter output tests
Parameter tested
Eye-diagram mask tests (10 Mbs only):
–– TP1 – Std V
–– TP1 – Incr V
–– TP11 – Std V
–– P11 – Incr V
Advanced diagnostic tests:
–– gdTSSTransmitter
–– uBusTx-Data
–– -uBusTx-Data
–– uRx-Idle
–– dBusTx01
–– dBusTx10
Test description
Mask test on standard voltage bus driver output
Mask test on increased voltage bus driver output
Mask test on standard voltage active star output
Mask test on increased voltage active star output
Transmitted TSS width
Data 1 amplitude
Data 0 amplitude
Mean idle level
Rise time Data0 to Data1 (20 to 80%)
Fall time Data1 to Data0 (80 to 20%)
20 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
I2S specifications/characteristics (DSOX3AUDIO, DSOX4AUDIO, and DSOX6AUDIO)
SCLK, WS, and SDATA input source
Analog channels 1, 2, 3, or 4
Digital channels D0 to D15
Bus configuration:
–– Transmitted word size
4 to 32 bits (user selectable)
–– Decoded/receiver word size
4 to 32 bits (user selectable)
–– Alignment
Standard, left-justified, or right-justified
–– Word select - low
Left-channel or right-channel
–– SCLK slope
Rising edge or falling edge
–– Decoded base
Hex (2’s complement) or signed decimal
Baud rates
2400 b/s to 625 kb/s
Triggering:
–– Audio channel
Audio left, audio right, or either
–– Trigger modes
= (Equal to entered data value)
≠ (Not equal to entered data value)
< (Less than entered data value)
> (Greater than entered data value)
>< (Within range of entered data values)
<> (Out of range of entered data values)
Increasing value that crosses armed (<=) and trigger (>=) entered data values
Decreasing value that crosses armed (>=) and trigger (<=) entered data values
Hardware-based decode:
–– Left channel
L: “decoded value” in white
–– Right channel
R: “decoded value” in green
–– Error
ERR in red (mismatch between transmitted and received word size, or invalid input signaling)
–– Word size indicator
“# of TX / # of RX” CLKS in blue displayed above each decoded work
I2S plus one other serial bus (excluding another I2S bus)
Multi-bus analysis
21 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
MIL-STD 1553 specifications/characteristics (DSOX3AERO, DSOX4AERO, and DSOX6AERO)
MIL-Std 1553 input source
Analog channels 1, 2, 3, or 4 (using a differential active probe)
Triggering
Data word start
Data word stop
Command/status word start
Command/status word stop
Remote terminal address (hex)
Remote terminal address (hex) + 11 bits (binary)
Parity error
Sync error
Manchester error
Color-coded, hardware-accelerated decode
Base: HEX or binary
Command or status word (“C/S” in green)
Remote terminal address (hex or binary digits in green)
11 Bits following RTA (hex or binary digits in green)
Data word (“D” in white)
Data word bits (hex or binary digits in white)
Parity error (all decoded text in red)
Synchronization error (“Sync” in red)
Manchester error (“Manch“ in red)
System xfmr-coupled input
Eye-diagram mask testing (requires
DSOX3MASK mask test option plus
System direct-coupled input
downloadable mask files)
BC xfmr-coupled input
BC direct-coupled input
RT xfmr-coupled input
RT xfmr-coupled input
Multi-bus analysis
MIL-STD 1553 plus one other serial bus, (including another MIL-STD 1553 bus)
22 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Specifications/Characteristics (Continued)
ARINC 429 specifications/characteristics (DSOX3AERO, DSOX4AERO and DSOX6AERO)
ARINC 429 input source
Analog channels 1, 2, 3, or 4 (using a differential active probe)
High (100 kbps)
Baud rates
Low (12.5 kbps)
Triggering
Word start
Word stop
Label (octal)
Label (octal) + bits (binary)
Label range (octal)
Parity error
Word error
Gap error
Word or gap error
All errors
All bits (useful for eye-diagram testing)
All 0 bits
All 1 bits
Color-coded, hardware-accelerated decode
Word format: Label/SDI/data/SSM or label/data/SSM or label/data
Label (octal digits in yellow)
SDI (binary digits in blue)
Data (hex or binary digits in white)
SSM (binary digits in green)
Errors (text in red)
Totalize function
Total words
Total errors
Eye-diagram and pulse mask testing (requires 100 kbps eye test
DSOX3MASK plus downloadable mask files)
100 kbps 1’s test
100 kbps 0’s test
100 kbps null test
12.5 kbps eye test
12.5 kbps 1’s test
12.5 kbps 0’s test
12.5 kbps null test
Multi-bus analysis
ARINC 429 plus one other bus (including another ARINC 429 bus)
23 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Ordering Information
The various serial bus options are compatible on most models of the Keysight InfiniiVision 3000, 4000 and 6000 X-Series
oscilloscopes. The entry-level 2000 X-Series oscilloscopes support only the I2C/SPI, RS232/UART, and CAN/LIN options. Existing
InfiniiVision X-Series oscilloscopes can also be upgraded with these options.
For most model numbers, the number after DSOX tells you to which series of oscilloscope it applies. For example, DSOX2EMBD applies
to the 2000 X-Series and DSOX3EMBD applies to the 3000 X-Series. “T” in the model number indicates that this option is available in
the 3000T X-Series, but not in the 3000A X-Series.
Model number
DSOX2EMBD, DSOX3EMBD, DSOX4EMBD or
DSOX6EMBD
DSOX2COMP, DSOX3COMP, DSOX4COMP or
DSOX6COMP
DSOX2AUTO or DSOX3AUTO
DSOXT3AUTO, DSOX4AUTO, or DSOX6AUTO
DSOXT3SENSOR, DSOX4SENSOR, or
DSOX6SENSOR
DSOX3TCXPI or DSOX4CXPI
DSOX3FLEX, DSOX4FLEX or DSOX6FLEX
DSOX3AERO, DSOX4AERO or DSOX6AERO
DSOX3AUDIO, DSOX4AUDIO or DSOX6AUDIO
DSOX4USBFL or DSOX6USBFL
DSOX4USBH or DSOX6USBH
DSOX4USBSQ or DSOX6USBSQ
DSOX2SGM and DSOX3SGM
DSOX2MASK, DSOX3MASK, DSOX4MASK or
DSOX6MASK
N2791A
N2818A
N7013A
N2750A
0960-2926
Description
I2C and SPI trigger and decode
RS232/UART trigger and decode
CAN and LIN trigger and decode
CAN, CAN FD, and LIN trigger and decode, including CAN-dbc and LIN-ldf symbolic decoding
Single Edge Nibble Transmission (SENT) trigger and decode
Clock extension peripheral interface (CXPI) trigger and decode
FlexRay trigger and decode
MIL-STD 1553 and ARINC 429 trigger and decode
I2S trigger and decode
USB 2.0 low- and full-speed trigger and decode
USB 2.0 hi-speed trigger and decode (1 GHz and 1.5 GHz bandwidth models of 4000 X-Series only)
USB 2.0 signal quality test (hi-speed tests require 1.5 GHz bandwidth models)
Segmented memory (standard on 3000T, 4000 and 6000 X-Series models)
Mask test option
25-MHz differential active probe
200-MHz differential active probe
Extreme temperature probing kit for differential active probes
1.5 GHz differential active probe (recommended for USB 2.0 hi-speed applications)
DB9 probe head adapter for N2791A and N2818A
Additional options and accessories are available for Keysight’s InfiniiVision oscilloscopes. Refer to the first four documents in the list
below for ordering information about these additional options and accessories.
24 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
Related Keysight Literature
Publication title
InfiniiVision 2000 X-Series Oscilloscopes - Data Sheet
InfiniiVision 3000T X-Series Oscilloscopes - Data Sheet
InfiniiVision 4000 X-Series Oscilloscopes - Data Sheet
InfiniiVision 6000 X-Series Oscilloscopes - Data Sheet
InfiniiVision Oscilloscope Probes and Accessories - Selection Guide
Extreme Temperature Probing Solutions for Oscilloscope Measurements - Data Sheet
N2792A/N2818A 200 MHz and N2793A/N2819A 800 MHz Differential Probes - Data Sheet
N2750A/51A/52A InfiniiMode Differential Active Probes - Data Sheet
DSOX4USBSQ and DSOX6USBSQ USB 2.0 Signal Quality Test Option for 4000 and 6000 X-Series - Data Sheet
Using Oscilloscope Segmented Memory for Serial Bus Applications - Application Note
Characterizing Hi-Speed USB 2.0 Serial Buses In Embedded Designs - Data Sheet
Debug Automotive Designs Faster with CAN-dbc Symbolic Trigger and Decode - Application Note
CAN Eye-Diagram Mask Testing - Application Note
CAN FD Eye-Diagram Mask Testing - Application Note
Characterizing CAN Bus Arbitration Using InfiniiVision 4000/6000 X-Series Oscilloscope - Application Note
FlexRay Physical Layer Eye-diagram Mask Testing - Application Note
MIL-STD 1553 Eye-diagram Mask Testing – Application Note
ARINC 429 Eye-diagram and Pulse-shape Mask Testing – Application Note
Publication number
5990-6618EN
5992-0140EN
5991-1103EN
5991-4087EN
5968-8153EN
5990-3504EN
5990-4753EN
5991-0560EN
5991-1762EN
5990-5817EN
5991-1148EN
5991-2847EN
5991-0484EN
5992-0437EN
5991-4166EN
5990-4923EN
5990-9324EN
5990-9325EN
To download these documents, insert the publication number in the URL:
http://cp.literature.keysight.com/litweb/pdf/xxxx-xxxxEN.pdf
Product web site
For the most up-to-date and complete application and product information, please visit our product Web sites at:
–– www.keysight.com/find/2000X-Series
–– www.keysight.com/find/3000TX-Series
–– www.keysight.com/find/4000X-Series
–– www.keysight.com/find/6000X-Series
Keysight Oscilloscopes
Multiple form factors from 20 MHz to > 90 GHz | Industry leading specs | Powerful applications
25 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
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26 | Keysight | Serial Bus Options for InfiniiVision X-Series Oscilloscopes - Data Sheet
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© Keysight Technologies, 2012 - 2016
Published in USA, June 9, 2016
5990-6677EN
www.keysight.com