14 get startup-temperatures of cpu and board – ADLINK CoreExpress-ECO2 User Manual
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4.14 Get Startup-Temperatures of CPU and Board
This command reads the CPU and Board Temperatures at power-on time. The temperatures are
transmitted in a signed char Bytes.
START
SMC_addr
ACK command
ACK START (Repeat)
SMC_addr+1
ACK
length
ACK(C) CPU_temp
ACK(C)
Board_temp ACK(C) STOP
Table 4.14.1 SMC transmitter format of the Get Startup-Temperatures of CPU and Board Command
ITEM
DESCRIPTION
START
SM-bus start condition
SMC_addr
0x50 (8-bit)
ACK
SM-bus acknowledge condition generated by receiver
command
0x3A = “Get Startup-Temperatures of CPU and Board” Command code
Length
0x02 = 2 Bytes data length
CPU_temp
CPU temperature at Startup. The format of this byte is signed char.
Board_temp
Board temperature at Startup. The format of this byte is signed char.
STOP
SM-bus stop condition