Using the TMP451EVM Software
Table 5-2. n-Factor Correction Register Codes
Binary
Hex
Decimal
N
01111111
7F
127
1.747977
00001010
0A
10
1.042759
00001000
08
8
1.035616
00000110
06
6
1.028571
00000100
04
4
1.021622
00000010
02
2
1.014765
00000001
01
1
1.011371
00000000
00
0
1.008
11111111
FF
–1
1.004651
11111110
FE
–2
1.001325
11111100
FC
–4
0.994737
11111010
FA
–6
0.988235
11111000
F8
–8
0.981818
11110110
F6
–10
0.975484
10000000
80
–128
0.706542
5.2.6 Reading the Temperature Gauge
The temperature box on the TMP451EVM software displays the measured values of the TMP451 device
Local Temperature and External Temperature registers in a graphical format as shown in
These values are displayed in Celsius. A continuous reading can be displayed by toggling the Read
Continuously control.
Figure 5-6. Reading the Temperature Gauge
19
SBOU131 – June 2013
TMP451EVM Software Overview
Copyright © 2013, Texas Instruments Incorporated