SCA3000-D01 datasheet(15/43 Pages) VTI

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SCA3000 Series

VTI Technologies Oy

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Doc.Nr. 8257300A.07

Rev.A.07

Addressing Space

The SCA3000 register contents and bit definitions are described in more detail in the following

sections.

3.1

The SCA3000 addressing space is presented in Table 5 below.

Table 5. List of registers.

Addr.

Name

Description

Mode

(R, W, RW, IA)

Reg.

type

Locked

00h

REVID

ASIC revision ID number

Conf

01h

Reserved

02h

STATUS

Status register

Conf

03h

Reserved

04h

X_LSB

X-axis LSB frame

Output

05h

X_MSB

X-axis MSB frame

Output

06h

Y_LSB

Y-axis LSB frame

Output

07h

Y_MSB

Y-axis MSB frame

Output

08h

Z_LSB

Z-axis LSB frame

Output

09h

Z_MSB

Z-axis MSB frame

Output

0Ah ... 0Eh

Reserved

0Fh

BUF_DATA

Ring buffer output register

Output

10h ... 11h

Reserved

12h

TEMP_LSB

Temperature LSB frame

Output

13h

TEMP_MSB

Temperature MSB frame

Output

14h

MODE

Operating mode selection,

control and configuration for:

- mode selection

- output buffer

- free-fall detection

Conf

15h

BUF_COUNT

Count of unread data

samples in output buffer

Output

16h

INT_STATUS

Interrupt status register:

- output buffer is not full, ½

full or ¾ full

- free-fall detected / not

detected

- information of which axis

triggered motion

Output

17h

I2C_RD_SEL

2C read

operation

Conf

18h

CTRL_SEL

indirect control registers

Conf

19h

...

1Dh

Reserved

1Eh

UNLOCK

Unlock register

Conf

1Fh ... 20h

Reserved

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