SCA3100 DEMO KIT VTI Technologies, SCA3100 DEMO KIT Datasheet - Page 15

• 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

3
3.1 Register Description
VTI Technologies Oy
www.vti.fi
Addressing Space
The SCA3000 register contents and bit definitions are described in more detail in the following
sections.
The SCA3000 addressing space is presented in Table 5 below.
Table 5. List of registers.
0Ah ... 0Eh
10h ... 11h
1Fh ... 20h
Addr.
1Dh
1Eh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Fh
12h
13h
14h
15h
16h
17h
18h
19h
...
Name
REVID
STATUS
X_LSB
X_MSB
Y_LSB
Y_MSB
Z_LSB
Z_MSB
BUF_DATA
TEMP_LSB
TEMP_MSB
MODE
BUF_COUNT
INT_STATUS
I2C_RD_SEL
CTRL_SEL
UNLOCK
Doc.Nr. 8257300A.07
Description
ASIC revision ID number
Reserved
Status register
Reserved
X-axis LSB frame
X-axis MSB frame
Y-axis LSB frame
Y-axis MSB frame
Z-axis LSB frame
Z-axis MSB frame
Reserved
Ring buffer output register
Reserved
Temperature LSB frame
Temperature MSB frame
Operating mode selection,
control and configuration for:
Count of unread data
samples in output buffer
Interrupt status register:
Register address for I
operation
Register address pointer for
indirect control registers
Reserved
Unlock register
Reserved
- mode selection
- output buffer
- free-fall detection
- output buffer is not full, ½
- free-fall detected / not
- information of which axis
full or ¾ full
detected
triggered motion
2
C read
(R, W, RW, IA)
Mode
RW
RW
RW
RW
R
R
R
R
R
R
R
R
R
R
R
R
R
Reg.
type
Conf
Conf
Output
Output
Output
Output
Output
Output
Output
Output
Output
Conf
Output
Output
Conf
Conf
Conf
SCA3000 Series
Locked
x
-
-
-
-
-
-
Rev.A.07
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