參數(shù)資料
型號(hào): MLX90308CABLUD
元件分類(lèi): 微控制器/微處理器
英文描述: MICROCONTROLLER, UUC
封裝: DIE
文件頁(yè)數(shù): 7/24頁(yè)
文件大?。?/td> 724K
代理商: MLX90308CABLUD
MLX902xx Name of Sensor
Rev Y.X
22/Aug/98
Page 15
MLX90308CAB
Programmable Sensor Interface
MLX90308CAB Programmable Sensor Interface
Page 15
Rev 2.0 11/October/00
Byte
Designation
Note
0
MODE byte
Contents described in Table 9.
1
Cadj
Controls system clock during boot.
2
Coarse Control
Contents described in Table 12.
3
GN1L
The eight LSB's of the Fixed Gain, GN[7:0].
4
OF1L
The eight LSB's of Fixed Offset OF[7:0].
5
GNTC1L
The eight LSB's of the first gain TC GNTC1[7:0].
6
OFTC1L
The eight LSB's of the first offset TC OFTC1[7:0].
7
TR1L
PC5L
The eight LSB's of the first temperature point, T1[7:0].
The eight LSB's of Pressure Coefficient 5 PC5[7:0].
8
GNTC2L
P5L
The eight LSB's of the second gain TC GNTC2[7:0].
The eight LSB's of Pressure Point 5 P5[7:0].
9
OFTC2L
PC4L
The eight LSB's of the second offset TC OFTC2[7:0].
The eight LSB's of Pressure Coefficient 4 PC4[7:0].
10
TR2L
P4L
The eight LSB's of the second temperature point T2[7:0].
The eight LSB's of Pressure Point 4 (or Signature) P4[7:0].
11
GNTC3L
PC3L
The eight LSB's of the third gain TC GNTC3[7:0].
The eight LSB's of Pressure Coefficient 3 (or Signature) PC3
[8:0].
Table 11. EEPROM Byte Definitions
Decimal
Value
Hexadecimal
Equivalent
Fixed Point Signed
Number Equivalent
0
0000h
+0.00
1023
3FFh
+0.990234
1024
400h
+1.000
2047
7FFh
+1.9990234
2048
800h
-0.000
3071
0BFFh
-0.9990234
3072
0C00h
-1.000
4095
0FFFh
-1.9990234
Table 10. Examples of Fixed Point
Signed Numbers
Data Range
Various data are arranged as follows:
Temperature points: 10 bits, 0-03FF in high-
low order.
Pressure points: 10 bits, 0-03FF in high-low
order.
GN1: 10 bits, 0-03FF in high-low order.
OF1: 10 bits, 0-03FF in high-low order.
GNTCi: signed 12 bits (with MSB for the sign),
[-1.9990234, +1.9990234].
OFTCi: signed 12 bits (with MSB for the sign),
[-1.9990234, +1.9990234].
Pci: signed 12 bits (with MSB for the sign),
[-1.9990234, +1.9990234]
DIGMO: 10 bits, 0-03FF in high-low order
(See Table 13 for examples of fixed point
signed numbers.)
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