User Manual
Fig. 6: SPI Plugin settings
It is possible to choose bit order (MSB first, LSB first), synchronising on rising 
or falling edge (signal chip select in positive or negative logic level) and data 
sampling on a rising or falling edge of clock signal.
7.3 I2C Bus Analyzer Plugin (dll_i2cbus.dll)
This   plugin   decodes   captured   I2C   signal   and   displays   start   bits,   stop   bits, 
addresses, acknowledges and data in hexadecimal values. 
Fig. 7: I2C Plugin settings
Each of input signals can be choosen as SDA or SCL signal. There are two 
possibilities how to display I2C address: with or without the LSB displayed 
(e.g. A0/A1 device address is displayed as A0W/A1R in first case or 50W/50R 
in the other). 
7.4 USB Analyzer Plugin
Reading   the   USB   specification   is   highly   recommended   before   using   USB 
Analyzer plugin.
 Instalation
USB analyzer has been drawn up as one of the plugins and it is a part of the  
installation package and so there is no need to install that. For setting up the 
license hit License   Install New Licen→ se... in SIGMA2 main form.
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