Thermal Management; Fan Control; Table 24 Thermal Management Signal Descriptions; Table 25 Fan Control Signal Descriptions - Congatec Qseven conga-QMX6 User Manual

9.19

Thermal Management

Table 24 Thermal Management Signal Descriptions
Signal Pin # Description
THRM# 69 Thermal Alarm active low signal generated by the external hardware to indicate an
over temperature situation. This signal can be used to initiate thermal throttling.
THRMTRIP# 71 Thermal Trip indicates an overheating condition of the processor. If 'THRMTRIP#'
goes active the system immediately transitions to the S5 State (Soft Off).
9.20

Fan Control

Table 25 Fan Control Signal Descriptions
Signal Pin # Description
FAN_PWMOUT 196
/GP_PWM_OUT1
FAN_TACHOIN 195
/GP_TIMER_IN
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Primary functionality is fan speed control. Uses the Pulse Width Modulation (PWM)
technique to control the Fan's RPM based on the CPU's die temperature. When not in use
for this primary purpose it can be used as General Purpose PWM Output.
Primary functionality is fan tachometer input. When not in use for this primary purpose it can
be used as General Purpose Timer Input.
I/O PU/PD Comment
I 3.3V PU 10k
3.3V
O 3.3V
I/O
O 3.3V
OC
I 3.3V
QMX6m03
Connected to GPIO
Connected to GPIO
PU/PD Comment
Connected to GPIO
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