I2C Bus/SMBus Monitor
USB Interface: Part Number #MIIC-101GU
The MIIC-101 Bus Monitor is a Stand-Alone or Remote Troubleshooting Tool for the I2C Bus (Inter Integrated Circuit Bus) and other standard or customer derived protocols.

When connected to an active bus, the MIIC-101 Bus Monitor can collect, display or upload information on all bus activity.

For additional selection information, see our "Which I2C Bus Monitor is Right For Me" FAQ.
 


(Discontinued - CALL)


 




 

PRODUCT HIGHLIGHTS
  • Stand Alone or Remote I2C Bus, and Derived Protocol Troubleshooting Tool.
  • USB Interface.
  • Real Time Trace to 100 kbit/s.
  • Supports General Calls, and Multi-Master/Multi-Slave Addressing.
  • Displays Start/Stop Events, Device Addresses, Read/Write Requests, Acknowledgments, and Data.
  • Optional I2C Analyzer Software Package.
 
I2C Bus/SMBus Monitor User's Guide (PDF)
KEY FEATURES TYPICAL APPLICATIONS
PRODUCT SPECIFICATIONS

I/O PORTS

I2C Bus/SMBus

A test cable provides connection to the network under test. Test clips are provided for:

SCL Clock Line
GND Ground Line
SDA Data Line
+5 External Supply

Host Computer Interface

USB (#MIIC-101GU) interface cable provides connection to PC Host system.

ADDRESS SELECTION

Bus activity can be monitored on a selective or non selective basis. Messages to all or a specified bus address can be captured in the trace buffer.

OPERATING MODES

View Status Mode

In View Status Mode, the unit displays bus line levels. Displayed information includes:
 
V
SCL
SDA
TRIG
+5v
I2C Clock
I2C Data
Trigger

Forward Trace Mode

Forward Trace collects a trace of up to 2700 bus messages with optional Pre Trigger.

Backward Trace Mode

Backward Trace maintains a trace of up to the last 2700 bus messages with optional Post Trigger. 

#MIIC-101GU
View Mode

View Mode displays captured bus activity on the built-in display. Displayed information includes:

Start/Stop Events
Message and Byte Number
Destination Addresses
Read/Write Requests
Receiver Acknowledgments
Transmitted Data in Hex and ASCII

Both forward and reverse scrolling of captured data bytes or messages is supported.

Display syntax:
 
I2C Event
Start of Buffer
Start Read w/Ack
Data w/Ack
Stop Condition
End of Buffer
Display
-START OF TRACE-
MMMM:START AA RA
MMMM:NNN DD 'C'A
MMMM:STOP
--END OF TRACE--

where:
 
MMMM
NNN
AA
DD
C
R/W
N/A
Trace Message Number
Transaction Byte Number
Device Address
Data in Hexadecimal
Data in ASCII
Read/Write Request
Receiver Non/Acknowledgment

Optional Windows-based I2C Analyzer Software Package available.

POWER

Internal 9V battery (included), +5V bus power, or external  power supply (included).
 

 

Included Parts List:

Optional Add-On Parts: Product Environmental Specifications: See Environmental Specifications FAQ

See our Bus Monitor FAQ for answers to your technical questions, or our Online Catalog for ordering information.

I2C is just a mouse click away TM