SCA3000 Series
Address: 1Eh
Register name: UNLOCK, Unlock register lock
Initial
Value
00h
Bits
7:0
Mode
RW
Name
KEY
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.
Address: 21h
Register name: INT_MASK, HW interrupt mask register configures the operation of the INT pin.
Initial
Value
0
Bits
7
Mode
RW
Name
Description
BUF_F_EN Interrupt when output ring buffer is ¾ full
1 – Enabled
0 – Disabled
6
RW
1
BUF_H_EN Interrupt when output ring buffer is ½ full
1 – Enabled
0 – Disabled
Reserved
5:2
1
RW
RW
0
1
INT_ALL
INT_ACT
Mask all interrupts (only effects on the INT-pin)
1 – Mask all interrupts (including free fall
detection and motion detector)
0 – Mask interrupts according to configured mode
INT-pin signal activity
0
1 – INT active high (INT-pin high)
0 – INT active low (INT-pin low)
Address: 22h
Register name: CTRL_DATA, Control register data, UNLOCK REQUIRED
Initial
Value
00h
Bits
7:0
Mode
RW
Name
DATA
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.
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PRELIMINARY - Subject to changes
Doc.Nr. 8257300A.06
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Rev.A.06
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