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TMP007AIYZFT データシートの表示(PDF) - Texas Instruments

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TMP007AIYZFT Infrared Thermopile Sensor with Integrated Math Engine TI
Texas Instruments TI
TMP007AIYZFT Datasheet PDF : 55 Pages
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TMP007
SBOS685C – APRIL 2014 – REVISED JULY 2015
www.ti.com
7.4.3.2 Memory Store and Register Load From Memory
The internal memory is accessed and the contents transferred to the registers on power up, single load, general
load and reset operations. The transfer from internal memory to the registers takes 3 ms, during which the serial
interface is disabled.
The serial interface does not acknowledge while the memory values are being loaded to the registers, and the
device stops any data conversions in progress. The loaded values programmed in the register can be overwritten
through the serial bus after the load. General load can be used to load all the registers from memory values at
once. The NWr bits indicate the number of times a particular memory location has been written to. It is important
to note that after a value has been overwritten in the memory, previous values are no longer accessible. Only the
most recently written value is transferred from the memory to the register or registers.
7.5 Register Maps
The TMP007 registers contain the results of measurements, status information, temperature limit information for
setting alert thresholds for both interrupt and compare modes, and the values of the coefficients and parameters
currently being used.
REGISTER
ADDRESS
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
1Eh
1Fh
2Ah
RESET
VALUE
0000h
0000h
1440h
0000h
0000h
0000h
7FC0h
8000h
7FC0h
8000h
260Eh
0106h
FF9Bh
FF3Ah
FF71h
0553h
0000h
0034h
0000h
5449h
0078h
0E00h
Table 7. Internal Register Description
REGISTER NAME
VSENSOR sensor voltage result
TDIE local temperature result
Configuration
TOBJ object temperature result
Status
Status mask and enable
TOBJ object temperature high-limit
TOBJ object temperature low-limit
TDIE local temperature high-limit
TDIE local temperature low-limit
S0 coefficient
A1 coefficient
A2 coefficient
B0 coefficient
B1 coefficient
B2 coefficient
C2 coefficient
TC0 coefficient
TC1 coefficient
Manufacturer ID
Device ID
Memory access
REGISTER DESCRIPTION
Sensor voltage result register
TDIE local temperature result register
Configuration register
TOBJ object temperature result register
Status register
Mask and enable register
TOBJ object temperature high-limit register
TOBJ object temperature low-limit register
TDIE temperature high-limit register
TDIE temperature low-limit register
S0 coefficient register
A1 coefficient register
A2 coefficient register
B0 coefficient register
B1 coefficient register
B2 coefficient register
C2 coefficient register
TC0 coefficient register
TC1 coefficient register
Manufacturer ID register
Device ID register
Memory access register
26
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