SCA830-D07 PCB VTI Technologies, SCA830-D07 PCB Datasheet - Page 5

• Manufacturer Part Number: SCA830-D07 PCB
• Description: EVAL BOARD INCLINOMETER Y-AXIS
• Manufacturer: VTI Technologies

Specifications of SCA830-D07 PCB

• Sensor Type: Inclinometer
• Sensing Range: ±1g
• Interface: SPI
• Sensitivity: 32000 counts/g
• Voltage - Supply: 3 V ~ 3.6 V
• Embedded: No
• Utilized Ic / Part: SCA830-D07
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 551-1059

Application Note for Acceleration Output Reading (16 bit output sensitivity)
DOUT_LSB
DOUT_MSB
s = sign bit
Acceleration bits can be converted to mg acceleration (Acc) using following equation
VTI Technologies Oy
www.vti.fi
+/-1g product
Bit number
SCA8xx
+1g position
-1g position
+Full-scale
-Full-scale
Acc
[ ]
mg
=
32
1
⎡
⎢
⎢
⎣
−
+
DOUT MSB bits(7:0)
This is addition to SCA8X0_21X0_3100 Product Family Specification chapter 3.1.
Address: 4h
Address: 5h
The bit level description of acceleration data from DOUT_LSB ... DOUT_MSB registers is
presented below. The acceleration data is presented in 2's complement format. At 0 g
acceleration the output is ideally 0000h.
15
s
b
Bits
7:0
Bits
7:0
s
0
1
0
1
2
⋅
2
⋅
15
2
512,0
3
14
+
1
0
1
0
+
b
b
14
1
⋅
256,0
⋅
2
Mode
R
13
2
Mode
R
1
0
1
0
1
14
+
+
b
0
b
128,0
13
12
1
0
1
0
⋅
2
13
Initial
Value
00h
Initial
Value
00h
64,0
+
11
1
0
1
0
b
Doc. Nr. 82823 00 C
12
⋅
32,0
2
10
1
0
1
0
12
+
Name
DATA
Name
DATA
b
11
16,0
9
0
1
1
0
⋅
2
11
8,0
+
8
1
1
1
0
b
10
Description
Acceleration data MSB frame
Reading of this register latches DOUT_LSB.
DOUT LSB bits(7:0)
Description
Acceleration data LSB frame
Read always DOUT_MSB prior to DOUT_LSB.
4,00
7
0
0
1
0
⋅
2
10
+
2,00
6
0
0
1
0
b
9
⋅
2
1,00
9
5
0
0
1
0
+
b
8
0,50
⋅
4
0
0
1
0
2
8
+
0,25
b
3
0
0
1
0
7
⋅
2
0,13
7
2
0
0
1
0
+
b
0,06
6
1
0
0
1
0
⋅
2
6
0,03
SCA830-D07
+
0
0
0
1
0
b
5
-1000
-1024
1000
1023
[mg]
⋅
[-]
2
5
+
Bits (15:0)
b
-32000
-32768
32000
32767
[Dec]
4
16b
⋅
2
4
+
5/6
b
3
⋅
2
4
⎤
⎥
⎥
⎦