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SCA3000-D01 データシート(PDF) 21 Page - VTI technologies

部品番号 SCA3000-D01
部品情報  Product Family Specification
PDF  43 Pages
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メーカー  VTI [VTI technologies]
ホームページ  http://www.vti.fi
Logo VTI - VTI technologies

SCA3000-D01 データシート(HTML) 21 Page - VTI technologies

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Doc.Nr. 8257300A.07
Rev.A.07
Address value: 00010
Register name: MD_CTRL, Motion Detector control (Indirect access via CTRL_SEL)
Bits
Initial
Value
Name
Description
Note
7:6
Reserved
5
0
REQ_Z
1 – Require trigger on Z-channel
0 – Not required
4
0
REQ_X
1 – Require trigger on X-channel
0 – Not required
3
0
REQ_Y
1 – Require trigger on Y-channel
0 – Not required
Bits 5:3 can be
used to build logical
AND operation
between channels.
Example:
X and Y = Require
X and Y, ignore Z
→ 00 011 011
2
1
EN_Z
1 – Enable trigger on Z-channel
0 – Not required
1
1
EN_X
1 – Enable trigger on X-channel
0 – Not required
0
1
EN_Y
1 – Enable trigger on Y-channel
0 – Not required
Bits 2:0 can be
used to build logical
OR operation
between channels.
Example:
X or Y = Disable Z
→ 00 000 011
Address value: 00011
Register name: MD_Y_TH, Motion Detector Y-threshold (Indirect access via CTRL_SEL)
Bits
Initial
Value
Name
Description
7:0
10h or 08h
Y_TH
Threshold for Y-acceleration change when MD
is used.
Address value: 00100
Register name: MD_X_TH, Motion Detector X-threshold (Indirect access via CTRL_SEL)
Bits
Initial
Value
Name
Description
7:0
10h or 08h
X_TH
Threshold for X-acceleration change when MD
is used.
Address value: 00101
Register name: MD_Z_TH, Motion Detector Z-threshold (Indirect access via CTRL_SEL)
Bits
Initial
Value
Name
Description
7:0
10h or 08h
Z_TH
Threshold for Z-acceleration change when MD is
used.
Initial values for registers MD_X_TH, MD_Y_TH and MD_Z_TH vary with SCA3000 product types.
Initial value is:
•
10h for SCA3000-D01, SCA3000-D02, SCA3000-E01 and SCA3000-E02
•
08h for SCA3000-E04 and SCA3000-E05
The bit level descriptions for registers MD_X_TH, MD_Y_TH and MD_Z_TH are presented in,
Table 11 ...Table 14 below. The threshold levels are in unsigned format and they are absolute
values for the acceleration that triggers the motion detector interrupt. Values presented below are
typical threshold values and they are not factory calibrated.



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