ADLINK PXES-2590 - Manual (Page 46)

36 Monitoring/Control Functions
Data format is as follows:
*Read 3.3V Voltage (command 0x06)
Reads the 3.3V Voltage
Use the SMB 1 Send Byte and 2 Receive Byte to Read this
word data:
Data format is as follows:
Receive Byte > 4 SA Slave address
< 5 0-255 High byte data
Bit Description
15..0
5V Voltage. Measured 5V voltage. 16-bit 2’s
complement , the LSB is 1mV
SMB Dir Offset Value Description
Send Byte > 0 SA Slave address
> 1 0x06 command code
Receive Byte > 2 SA Slave address
< 3 0-255 Low byte data
Receive Byte > 4 SA Slave address
< 5 0-255 High byte data
Bit Description
15..0 3.3V Voltage. Measured 3.3V voltage. 16-bit 2’s
complement , the LSB is 1mV
SMB Dir Offset Value Description