SCA3000 Series
Address: 07h
Register name: Y_MSB, Y-axis MSB frame
Initial
Value
00h
Bits
7:0
Mode
R
Name
DATA
Description
Y-axis MSB frame
Address: 08h
Register name: Z_LSB, Z-axis LSB frame
Initial
Value
00h
Bits
7:0
Mode
R
Name
DATA
Description
Z-axis LSB frame
Address: 09h
Register name: Z_MSB, Z-axis MSB frame
Initial
Value
00h
Bits
7:0
Mode
R
Name
DATA
Description
Z-axis MSB frame
Address: 0Fh
Register name: BUF_DATA, ring buffer output register
Initial
Value
00h
Bits
7:0
Mode
R
Name
DATA
Description
Ring buffer output register
Bit level description for acceleration data from X_LSB ... Z_MSB and BUF_DATA registers is
presented in Table 6 ... Table 9. Acceleration data is presented in 2's complement format. At 0 g
acceleration the output is ideally 00h.
Table 6. Bit level description for acceleration registers of SCA3000-D01 and SCA3000-D02.
Byte
MSB byte
LSB byte
Bit number
B2:B0
xxx
1.5 0.75
B7 B6 B5 B4 B3 B2 B1 B0 B7 B6 B5 B4 B3
Acceleration [mg]
SCA3000-D01,-D02
[X_LSB…Z_MSB]
SCA3000-D01,-D02
Ring buffer in 11-bit
mode [BUF_DATA]
SCA3000-D01,-D02
Ring buffer in 8-bit
Sign 1536 768 384 192 96
48
24
12
6
3
s
d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0
xxx
s
d9 d8 d7 d6 d5 d4 d3 d2 d1 d0
x
x
x
x
xxx
s
d6 d5 d4 d3 d2 d1 d0
x
x
x
xxx
mode [BUF_DATA]
s = sign bit
x = not used bit
Table 7. Bit level description for acceleration registers of SCA3000-E01 and SCA3000-E02.
Byte
MSB byte
LSB byte
Bit number
B2:B0
xxx
B7 B6 B5 B4 B3 B2 B1 B0 B7 B6 B5 B4 B3
Acceleration [mg]
SCA3000-E01,-E02
[X_LSB…Z_MSB]
SCA3000-E01,-E02
Ring buffer in 11-bit
mode [BUF_DATA]
SCA3000-E01,-E02
Ring buffer in 8-bit
Sign 2048 1024 512 256 128 64
32
16
8
4
2
1
s
d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0
xxx
s
d9 d8 d7 d6 d5 d4 d3 d2 d1 d0
x
x
x
x
xxx
s
d6 d5 d4 d3 d2 d1 d0
x
x
x
xxx
mode [BUF_DATA]
s = sign bit
x = not used bit
VTI Technologies Oy
www.vti.fi
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Rev.A.07
Doc.Nr. 8257300A.07
VTI [ VTI TECHNOLOGIES ]
