MLX90314
Programmable Sensor Interface
Table 13. RAM Byte Definitions (continued)
Byte
Functions
Remarks ꢀ
11
TR3L
Third temperature point.
PC2L
GNTC4L
Pressure Coefficient 2 (8LSB).
Fourth gain TC.
12
13
P2L
Pressure Point 1 (8LSB).
Fourth offset TC.
OFTC4L
PC1L
DIGMOP1L
Pressure Coefficient 1 (8LSB).
Fixed pressure (8LSB).
14
15
GN1[9:8]
OF1[9:8]
Two MSB's of fixed gain
GN[9:8].
Two MSB's of fixed offset
OF[9:8].
16
17
GNTC1
[11:8]
OFTC1
[11:8]
Four MSB's of first gain TC
GNTC1[11:8].
Four MSB's of the first
offset TC OFTC1[11:8]
TR1[9:8]
GNTC2
[11:8]
Two MSB's, first temperature
point T1[9:8] or
Four MSB's, second gain
TC GNTC2[11:8] or
PC5[11:8]
P5[9:8]
Four MSB's Pressure
Coefficient 5 PC5[11:8].
Four MSB's, second offset TC
OFTC2[11:8] or
Two MSB's, Pressure
Point 5 P5[9:8]
Two MSB's, second temp.
point T2[9:8] or
18
19
20
21
OFTC2[11:8]ꢀꢀꢀꢀꢀꢀꢀꢀꢀTR2[9:8]ꢀ
PC4[11:8] P4[9:8]
Four MSB's, Pressure
Coefficient 4 PC4[11:8].
Four MSB's, Third Gain TC
GNTC3[11:8] or
Two MSB's, Pressure
Point 4 P4[9:8].
Four MSB's Third Offset
TC OFTC3[11:8] or
GNTC3[11:8]ꢀꢀꢀꢀꢀꢀOFTC3
[11:8]ꢀ
ꢀ
ꢀ
Four MSB's, Pressure
Coefficient 3 PC3[11:8]).
Two MSB's, third temperature
point t3[9:8] or
Two MSB's Pressure
Point 3 P3[9:8]
Four MSB's, Fourth Gain
TC GNTC4[11:8] or
PC3[11:8]
TR3[9:8]
[11:8]
P3[9:8]
GNTC4
Four MSB's, Pressure
Coefficient 2 PC2[11:8].
Four MSB's Fourth Offset TC
OFTC4[11:8] or
Two MSB's, Pressure
Point 2 P2[9:8].
Two MSB's Pressure
Point 1 P1[9:8].
PC2[9:8]
P2[9:8]
OFTC4[11:8]ꢀꢀꢀꢀꢀꢀP1[9:8]ꢀ
PC1[11:8]
Four MSB's Pressure
Coefficient 1 PC1[11:8].
Same as EEPROM.
22
23
PNB_TNB
N_Factor
Not Used
GN
Temperature filter coefficient — 4 LSB’s, 4 MSB = 0
24
25-26
27-28
29
Offset Ordinate of the current gap.
Gain Ordinate of the current gap.
OF
Taddress
4 bits for the max. temperature address of the current gap; 4
bits for the min. temperature address of the current gap.
3901090314
Page 20
Nov/04
Rev 007
MELEXIS [ Melexis Microelectronic Systems ]
