MLX90308
Programmable Sensor Interface
Table 13. RAM Byte Definitions (continued)
Byte
11
12
13
14
15
Functions
TR3L
PC2L
GNTC4L
P2L
OFTC4L
PC1L
DIGMOP1L
GN1[9:8] OF1[9:8]
16 GNTC1
[11:8]
17 TR1[9:8]
OFTC1
[11:8]
GNTC2
[11:8]
PC5[11:8] P5[9:8]
18 OFTC2[11:8] TR2[9:8]
PC4[11:8] P4[9:8]
19 GNTC3[11:8] OFTC3
[11:8]
PC3[11:8]
P3[9:8]
20 TR3[9:8] GNTC4
[11:8]
PC2[9:8] P2[9:8]
21 OFTC4[11:8] P1[9:8]
PC1[11:8]
22
23
24
25-26
27-28
29
PNB_TNB
N_Factor
Not Used
GN
OF
Taddress
3901090308
Rev 007
Remarks
Third temperature point.
Pressure Coefficient 2 (8LSB).
Fourth gain TC.
Pressure Point 1 (8LSB).
Fourth offset TC.
Pressure Coefficient 1 (8LSB).
Fixed pressure (8LSB).
Two MSB's of fixed gain
GN[9:8].
Four MSB's of first gain TC
GNTC1[11:8].
Two MSB's, first temperature
point T1[9:8] or
Two MSB's of fixed offset
OF[9:8].
Four MSB's of the first
offset TC OFTC1[11:8]
Four MSB's, second gain
TC GNTC2[11:8] or
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
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
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
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].
Four MSB's Pressure
Coefficient 1 PC1[11:8].
Same as EEPROM.
Temperature filter coefficient — 4 LSB’s, 4 MSB = 0
Offset Ordinate of the current gap.
Gain Ordinate of the current gap.
4 bits for the max. temperature address of the current gap; 4
bits for the min. temperature address of the current gap.
Page 20
May/12