Thermal Mitigation Commands
Rev. 8 May.12 Proprietary and Confidential 265
!THERMDELTATXTEMP
Supporting chipsets:
• MDM8220 (min f/w rev:
N2.0 Release 6)
• MDM9200 (min f/w rev:
M1.0 Release 3,
X3.0 Beta 6)
Set/report amount power backoff temperature threshold
Set or report the temperature above which the second stage of thermal mitigation
begins. (See !THERMTHRESHOLD on page 267 for the first stage of thermal
mitigation.)
These chipsets support a two-stage thermal mitigation phase. In stage 1, data
throughput flow control is used. If this is unsuccessful and the temperature rises above
the power backoff temperature threshold, the second stage of mitigation begins and the
Tx power backoff algorithm is used. (See !THERMTIMERS on page 268 for details.)
Usage:
• Execution: AT!THERMDELTATXTEMP=<Tx backoff threshold>
Response:
OK
or ERROR (if value is not in range)
Purpose: Set the temperature at which stage 2 thermal mitigation occurs.
• Query: AT!THERMDELTATXTEMP?
Response:
at!thermdeltatxtemp?
Delta Tx power temp=<Tx backoff threshold>
OK
Purpose: Display the current stage 2 threshold temperature.
• Query List: AT!THERMDELTATXTEMP=?
Purpose: Display the execution command format and parameter values.
Parameters:
<Tx backoff threshold> (Temperature above which stage 2 mitigation (Tx power backoff
state) occurs)
• Units: °C
• Valid range: Value between mitigation threshold and emergency threshold (see
!THERMTHRESHOLD on page 267 to identify threshold values)
!THERMENABLE
Supporting chipsets:
• MDM8200
• MDM8220 (min f/w rev:
N2.0 Release 6)
• MDM9200 (min f/w rev:
M1.0 Release 3,
X3.0 Beta 6)
Enable/disable thermal mitigation
Enable/disable the thermal mitigation feature.
Usage:
• Execution: AT!THERMENABLE=<enable>
Response:
OK
Purpose: Enable/disable thermal mitigation.
• Query: AT!THERMENABLE?
Response:
Thermal mitigation version=1
Thermal mitigation enable (0-1) <enable>-Enable
(or Disable)
OK
Purpose: Show the current state of the thermal mitigation feature.
• Query List: AT!THERMENABLE=?
Purpose: Display the execution command format and parameter values.
Parameters:
<enable> (Thermal mitigation feature state)
• 0=Disable (Default)
• 1=Enable
Table 13-2: Thermal mitigation command details (Continued)
Command Description
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