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TPMC533 User Manual Issue 1.0.1
Page 74 of 107
3.2.1.10.5 Temperature Sensor Trigger Register (0x3A8)
This register is used to trigger a measurement of the on-board temperature sensor.
Bit
Symbol
Description
Access
Reset
Value
31:2
-
Reserved
-
-
1
AUTO
Temperature Sensor Auto Acquire Mode
If this bit is set, the Temperature Sensor Data Register is
automatically updated every second.
If this bit is clear, the Temperature Sensor Trigger bit must
be set for an update of the Temperature Sensor Data
Register.
R/W
0
0
TRIG
Temperature Sensor Trigger
Write ‘1’ to start the temperature measurement of the on-
board SE95 temperature sensor.
This bit is cleared automatically when the data is valid in the
Temperature Sensor Data Register.
R/S
0
Table 3-73: Temperature Sensor Trigger Register
3.2.1.10.6 Temperature Sensor Data Register (0x3AC)
This register holds the measured 13bit two's complement data of the on-board SE95 temperature sensor.
Bit
Symbol
Description
Access
Reset
Value
31:0
TEMP
Measured data of the on-board temperature sensor
The measured value of the temperature sensor is stored as
a 32bit two's complement.
To actually calculate the temperature from the two's
complement data value, use the following formula:
Temperature (°C) = TEMP/256
R
0x0000
0000
Table 3-74: Temperature Sensor Data Register
3.2.1.10.7 Firmware Version Register (0x3FC)
Bit
Symbol
Description
Access
Reset
Value
31:0
FID
Major & minor version, revision and build number of the
FPGA firmware.
R
-
Table 3-75: Firmware Version Register