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45 PCM-9588 User Manual
Chapter 4 S/W Introduction & Installation
4.3.4.6 SMBus
When the application has executed, you can click the radio button to choose to test
each access mode, i.e. Access a byte, Access multiple bytes and Access a word. All
data must be read or written in hexadecimal except the numbers for radio button:
Access multiple bytes mode must be written in decimal. You can test the functional-
ities of the watchdog as follows:
! Read a byte
– Click the radio button- Access a byte.
– Key in the slave device address in the Slave address field.
– Key in the register offset in the Register Offset field.
– Click the READ SMBus DATA button and a byte of data from the device will
be shown on the Result field.
! Write a byte
– Click the radio button- Access a byte.
– Key in the slave device address in Slave address field.
– Key in the register offset in Register Offset field.
– Key the desired data in the Result field to write to the device.
– Click the WRITE SMBus DATA button and then the data will be written to the
device through SMBus.
! Read a word
– Click the radio button- Access a word.
– Key in the slave device address in the Slave address field.
– Key in the register offset in the Register Offset field.
– Click the READ SMBus DATA button and then a word of data from the device
will be shown on the Result field.