SCA3000 Series
Address value: 00001
Register name: I2C_DISABLE, disable I2C communication, only for SCA3000-D03 and
SCA3000-L01 (Indirect access via CTRL_SEL)
Initial
Value
0x10
Bits
7:0
Name
Description
I2C_DIS
For SCA3000-D03:
0x10 – I2C enabled, default value after start up
0x00 – I2C disabled
7:0
0x50
I2C_DIS
For SCA3000-L01:
0x50 – I2C enabled, default value after start up
0x40 – I2C disabled
See section 4.1.4 for more detailed information of disabling the I2C communication.
Address value: 00010
Register name: MD_CTRL, Motion Detector control (Indirect access via CTRL_SEL)
Initial
Value
Bits
Name
Description
Reserved
Note
7:6
5
0
0
0
REQ_Z
REQ_X
REQ_Y
1 – Require trigger on Z-channel Bits 5:3 can be
0 – Not required used to build logical
1 – Require trigger on X-channel AND operation
0 – Not required between channels.
1 – Require trigger on Y-channel Example:
4
3
0 – Not required
X and Y = Require
X and Y, ignore Z
→ 00 011 011
2
1
0
1
1
1
EN_Z
EN_X
EN_Y
1 – Enable trigger on Z-channel
0 – Not required
1 – Enable trigger on X-channel
0 – Not required
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)
Initial
Value
10h or 08h
Bits
7:0
Name
Y_TH
Description
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)
Initial
Value
10h or 08h
Bits
7:0
Name
X_TH
Description
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)
Initial
Value
10h or 08h
Bits
7:0
Name
Z_TH
Description
Threshold for Z-acceleration change when MD is
used.
VTI Technologies Oy
www.vti.fi
PRELIMINARY - Subject to changes
Doc.Nr. 8257300A.06
22/ 45
Rev.A.06
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