SCA8X0/21X0/3100 Series
3.1.4.2 6 g products
+/-6g product
Bit number
SCA8x0
+1g position
-1g position
+Full-scale
-Full-scale
DOUT MSB bits(7:0)
DOUT LSB bits(7:0)
12b
12b
15
s
14
3150.8
13
1575.4
12
787.7
1
0
1
0
11
393.8
0
1
1
0
10
196.9
1
0
1
0
9
98.5
0
1
1
8
49.2
0
1
1
7
24.6
0
6
5
6.15
0
4
3.08
1
1
1
3
x
x
x
x
x
2
x
x
x
x
x
1
x
x
x
x
x
0
x
x
x
x
x
[-]
[mg]
1000
-1000
6300
-6302
Bits (15:4) Bits (15:4)
[Dec]
325
-325
2047
-2048
12.31
[Hex]
145
EBB
7FF
800
0
1
0
1
0
1
1
0
0
1
1
0
1
0
1
0
1
1
0
1
1
0
0
0
0
+/-6g product
Bit number
SCA31x0/SCA21x0
+1g position
-1g position
+Full-scale *)
-Full-scale *)
DOUT MSB bits(7:0)
DOUT LSB bits(7:0)
15
s
14
6301.5
13
3150.8
12
1575.4
0
1
1
0
11
787.7
1
0
1
0
10
393.8
0
1
1
0
9
8
98.5
0
1
1
7
49.2
0
6
24.6
0
5
12.3
1
4
6.15
0
1
1
3
3.08
1
1
1
2
1.54
0
0
1
1
x
x
x
x
x
0
x
x
x
x
x
[-]
[mg]
1000
-1000
6300
-6302
Bits (15:2) Bits (15:2)
196.9
[Dec]
650
[Hex]
28A
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
1
0
1
0
-650
4095
-4096
3D76
FFF
3000
1
1
0
0
0
0
0
0
s = sign bit
x = not used/defined bit
*) = positive/negative full-scale or saturation limit of ±6 g product is 6.3 g.
In SCA8X0 acceleration bits can be converted to mg acceleration (Acc) using following equation
1000
325
Acc
[
mg
]
]
=
=
[
− s ⋅211 + b14⋅210 + b13⋅29 + b12⋅28 + b11⋅27 + b10⋅26 + b9⋅25 + b8⋅24 + b7⋅23 + b6⋅22 + b5⋅2 + b4
]
and in SCA21X0/SCA31X0
13
− s ⋅2 + b14⋅212 + b13⋅211 + b12⋅210 + b11⋅29 + b10⋅28
⎡
⎤
⎥
1000
650
,
Acc mg
[
⎢
+ b9⋅27 + b8⋅26 + b7⋅25 + b6⋅24 + b5⋅23 + b4⋅22 + b3⋅2 + b2
⎢
⎥
⎣
⎦
3.1.4.3 1 g products
+/-1g product
Bit number
SCA8xx
+1g position
-1g position
+Full-scale
-Full-scale
DOUT MSB bits(7:0)
DOUT LSB bits(7:0)
16b
Bits (15:0)
[Dec]
32000
-32000
32767
15
s
14
512,0
13
256,0
12
128,0
1
0
1
0
11
64,0
1
0
1
10
32,0
1
0
1
9
16,0
0
1
1
8
8,0
1
1
1
7
4,00
0
6
2,00
0
5
1,00
0
0
1
0
4
0,50
0
0
1
3
2
1
0
[-]
0,25 0,13 0,06 0,03 [mg]
0
1
0
1
1
0
1
0
1
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
1000
-1000
1023
-1024
0
0
1
1
0
0
0
0
0
0
0
-32768
s = sign bit
Acceleration bits can be converted to mg acceleration (Acc) using following equation
15
− s ⋅ 2 + b14⋅ 214 + b13⋅ 213 + b12⋅ 212 + b11⋅ 211 + b10⋅ 210 + b9⋅ 29 + b8⋅ 28 + b7 ⋅ 27 + b6⋅ 26 + b5⋅ 25 + b4⋅ 24 + b3⋅ 24
⎡
⎤
⎥
1
Acc
[
mg =
]
⎢
+ b2⋅ 23 + b1⋅ 21 + b0
32
⎢
⎣
⎥
⎦
3.1.5 Temperature output
3.1.5.1 Temperature Register Low (TEMP_LSB)
Address: 12h
Bits
Mode
Initial
Value
00h
Name
DATA
Description
7:0
R
Data bits [7:0] of temperature sensor.
Read always TEMP_MSB prior to TEMP_LSB.
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