ADLINK CoreExpress-ECO2 - Manual (Page 21)

4.13 Get Min/Max-Temperatures (Temperature Logger)
This command reads the maximum and minimum reached CPU and Board Temperatures. The
temperatures are transmitted in a signed char Bytes.
START SMC_addr ACK command ACK START (Repeat) SMC_addr+1 ACK
length ACK(C) MaxCPUTemp ACK(C) MinCPUTemp ACK(C) MaxBoardTemp ACK(C)
MinBoardTemp ACK(C) STOP
Table 4.13.1 SMC transmitter format of the Get Min/Max-Temperatures Command
ITEM DESCRIPTION
START SM-bus start condition
SMC_addr 0x50 (8-bit)
ACK SM-bus acknowledge condition generated by receiver
command 0x39 = “Get Min/Max-Temperatures” Command code
length 0x04 = 4 Bytes data length
MaxCPUTemp Maximum CPU temperature. The format of this byte is signed char.
MinCPUTemp Minimum CPU temperature. The format of this byte is signed char.
MaxBoardTemp Maximum Board temperature. The format of this byte is signed char.
MinBoardTemp Minimum Board temperature. The format of this byte is signed char.
STOP SM-bus stop condition
Table 4.13.2 Explanation of Table 4.13.1