sca3000-e05pwb VTI Hamlin, sca3000-e05pwb Datasheet - Page 23

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sca3000-e05pwb

Manufacturer Part Number
sca3000-e05pwb
Description
Sca3000 Series 3-axis Accelerometer
Manufacturer
VTI Hamlin
Datasheet
VTI Technologies Oy
www.vti.fi
Address value: 01011
Register name: OUT_CTRL, Output configuration (Indirect access via CTRL_SEL)
Address: 1Eh
Register name: UNLOCK, Unlock register lock
Address: 21h
Register name: INT_MASK, HW interrupt mask register configures the operation of the INT pin.
Address: 22h
Register name: CTRL_DATA, Control register data, UNLOCK REQUIRED
Bits
7:5
1:0
Bits
Bits
Bits
7:0
5:2
7:0
4
3
2
7
6
1
0
Mode
Mode
Mode
Value
RW
RW
RW
RW
RW
RW
Initial
00
1
1
1
Value
Value
Value
Initial
Initial
Initial
00h
00h
0
1
0
1
BUF_X_EN
BUF_Y_EN
BUF_Z_EN
BUF_RATE
Doc.Nr. 8257300A.07
Name
BUF_H_EN
BUF_F_EN
INT_ACT
INT_ALL
DATA
Name
Name
Name
KEY
Description
Reserved
Store X-axis acceleration data to ring buffer
1 – enabled
0 – disabled
Store Y-axis acceleration data to ring buffer
1 – enabled
0 – disabled
Store Z-axis acceleration data to ring buffer
1 – enabled
0 – disabled
Additional data rate reduction after calibration
before data is loaded to ring buffer (no effect on
output registers data rate, see section 2.5.1)
11 – No rate reduction
10 – divide rate by 4
01 – divide rate by 2
00 – No rate reduction
Description
Lock can be opened by writing the following
sequence into this register:
00h, 50h, A0h Writing any other sequence closes the
lock. Lock state can be read from STATUS register.
Description
Interrupt when output ring buffer is ¾ full
1 – Enabled
0 – Disabled
Interrupt when output ring buffer is ½ full
1 – Enabled
0 – Disabled
Reserved
Mask all interrupts (only effects on the INT-pin)
1 – Mask all interrupts (including free fall
0 – Mask interrupts according to configured mode
INT-pin signal activity
1 – INT active high (INT-pin high)
0 – INT active low (INT-pin low)
Description
Data bits [7:0] of selected 8-bit control register. Write
this register to actually perform the write operation to
selected location. See register CTRL_SEL for
information on register contents.
detection and motion detector)
SCA3000 Series
Rev.A.07
23/ 43

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