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TPCE636 User Manual Issue 1.0.2
Page 30 of 104
5.2.15 TPCE636 Temperature Sensor Register - 0xF4
Bit
Symbol
Description
Access
Reset
Value
31:21
-
Reserved
r
-
20
TMP441_AUTO
_TRD_EN
TMP441 Automatic Temperature Read Enable
Controls the periodic board temperature read
feature.
Refresh time = 1s
‘0’ = disabled
‘1’ = enabled
Automatic mode must be disabled before
enabling the I2C bridge mode
r/w
1
19:16
-
Reserved
0
15:8
TMP441_TEMP
TMP441 Temperature Data
Measured data of the on-board temperature
sensor
The read value of the temperature sensor is
stored sign-extended as a 8bit two's
complement.
To actually calculate the temperature from the
two's complement data value, use the
following formula:
Temperature (°C) = TEMP
r
-
7:0
-
Reserved
-
-
Table 5-19 : TPCE636 Temperature Sensor Register
5.2.16
TPCE636 Serial Number - 0xF8
Bit
Symbol
Description
Access
Reset
Value
31:0
S_NUMBER
The value is the unique serial number of each
TPCE636 module
R
-
Table 5-20 : TPCE636 Serial Number
Example: 0x0091_DB0E => SNo.: 9558798
The serial number can also be read via an I2C interface from User FPGA (Kintex-7).