SCA3100 DEMO KIT VTI Technologies, SCA3100 DEMO KIT Datasheet - Page 20

• Manufacturer Part Number: SCA3100 DEMO KIT
• Description: KIT DEMO ACCELEROMETER SCA3100
• Manufacturer: VTI Technologies

Specifications of SCA3100 DEMO KIT

• Sensor Type: Accelerometer, 3 Axis
• Sensing Range: ±2g
• Interface: SPI
• Sensitivity: 900 counts/g
• Voltage - Supply: 3 V ~ 3.6 V
• Embedded: No
• Utilized Ic / Part: SCA3100 Series
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 551-1056

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Address: 14h
Register name: MODE, operation mode selection
Address: 17h
Register name: I2C_RD_SEL, register address for I
Address: 18h
Register name: CTRL_SEL, Control register selector, UNLOCK REQUIRED
CTRL_SEL register works as an address pointer for registers listed below. When this register is
written the content of selected register is available for reading/writing from/to register CTRL_DATA.
Bits
Bits
Bits
2:0
7:0
7:5
4:0
7
6
5
4
3
Mode
Mode
Mode
RW
RW
RW
RW
RW
RW
W
00000
Value
Value
Value
Initial
Initial
Initial
000
00h
000
0
0
0
Doc.Nr. 8257300A.07
MODE_BITS
BUF_8BIT
BUF_EN
FFD_EN
SELECT
ADDR
Name
Name
Name
Description
Output ring buffer
1 – Enabled
0 – Disabled (Buffer in power down)
Output ring buffer data length
1 – Ring buffer is read in single 8 bit frame per
0 – Ring buffer is read in two 8 bit frames per
Reserved
Free-fall detection
1 – Enabled
0 – Disabled (detection in power down)
Reserved
Selects SCA3000 series operation mode
000 – Normal measurement mode
010 – Optional measurement mode 1 (see Table 2)
001 – Optional measurement mode 2 (see Table 2)
011 – MD, Motion Detector
Description
Address of register to be read via I
used only for I
Description
Reserved
Indirect control registers,
select register address for read / write access:
00001 – I2C_DISABLE
00010 – MD_CTRL (Motion Detector control)
00011 – MD_Y_TH (Motion Detector Y-
00100 – MD_X_TH (Motion Detector X-
00101 – MD_Z_TH (Motion Detector Z-
01011 – OUT_CTRL (Output control)
stored axis (8 bit mode)
stored axis (11 bit mode). Unused bits are
set to 0.
Other combinations are reserved
2
C read operation
Other combinations are reserved
threshold)
threshold)
threshold)
2
C read access.
2
C. Register is
SCA3000 Series
Rev.A.07
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