MLX90308CAB
Programmable Sensor Interface
MLX90308CAB Programmable Sensor Interface Page 20 Rev 3.0 21/May/01
Table 13. RAM Byte Definitions (continued)
Byte
Functions
Remarks
11
TR3L
PC2L
GNTC4L
P2L
OFTC4L
PC1L
DIGMOP1L
Third temperature point.
Pressure Coefficient 2 (8LSB).
Fourth gain TC.
Pressure Point 1 (8LSB).
Fourth offset TC.
Pressure Coefficient 1 (8LSB).
Fixed pressure (8LSB).
12
13
14
15
GN1[9:8] OF1[9:8]
Two MSB's of fixed gain Two MSB's of fixed offset
GN[9:8]. OF[9:8].
Four MSB's of first gain TC Four MSB's of the first
GNTC1[11:8]. offset TC OFTC1[11:8]
16
GNTC1 OFTC1
[11:8] [11:8]
17
TR1[9:8] GNTC2
[11:8]
PC5[11:8] P5[9:8]
Two MSB's, first temperature Four MSB's, second gain
point T1[9:8] or TC GNTC2[11:8] or
Four MSB's Pressure Two MSB's, Pressure
Coefficient 5 PC5[11:8]. Point 5 P5[9:8]
Four MSB's, second offset TC Two MSB's, second temp.
OFTC2[11:8] or point T2[9:8] or
Four MSB's, Pressure Two MSB's, Pressure
Coefficient 4 PC4[11:8]. Point 4 P4[9:8].
Four MSB's, Third Gain TC Four MSB's Third Offset
GNTC3[11:8] or TC OFTC3[11:8] or
Four MSB's, Pressure Two MSB's Pressure
Coefficient 3 PC3[11:8]). Point 3 P3[9:8]
Two MSB's, third temperature Four MSB's, Fourth Gain
point t3[9:8] or TC GNTC4[11:8] or
Four MSB's, Pressure Two MSB's, Pressure
Coefficient 2 PC2[11:8]. Point 2 P2[9:8].
Four MSB's Fourth Offset TC Two MSB's Pressure
OFTC4[11:8] or Point 1 P1[9:8].
Four MSB's Pressure
Coefficient 1 PC1[11:8].
Same as EEPROM.
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]
TR3[9:8]
GNTC4
[11:8]
PC2[9:8] P2[9:8]
OFTC4[11:8]
P1[9:8]
PC1[11:8]
20
21
22
PNB_TNB
23
N_Factor
Temperature filter coefficient — 4 LSB’s, 4 MSB = 0
24
Not Used
25-26
GN
Offset Ordinate of the current gap.
27-28
OF
Gain Ordinate of the current gap.
29
Taddress
4 bits for the max. temperature address of the current gap; 4
bits for the min. temperature address of the current gap.