SCA3000-D01 datasheet(19/43 Pages) VTI

19 / 43 page

SCA3000 Series

VTI Technologies Oy

19/ 43

www.vti.fi

Doc.Nr. 8257300A.07

Rev.A.07

Address: 15h

Bits

Mode

Initial

Value

Name

Description

7:0

00h

COUNT

Count of available data samples in output ring buffer,

for more information see section 2.5.2.

Address: 16h

operation mode)

Bits

Mode

Initial

Value

Name

Description

BUF_FULL

Output ring buffer is ¾ full

1 – Ring buffer is ¾ full

0 – Ring buffer is not full

BUF_HALF

Output ring buffer is ½ full

1 – Ring buffer is ½ full

0 – Ring buffer is not full

5:4

Reserved

FFD

Free-fall detection

1 – Free-fall detected (0 g acceleration)

0 – Free-fall not detected

2:0

000

Motion detector triggered channel indication

1xx – Trigger on Y-axis

x1x – Trigger on X-axis

xx1 – Trigger on Z-axis

3.4

Configuration Registers

SCA3000 configuration register (marked with 'Conf' in Table 5) contents and bit definitions are

described in this section. Configuration registers are used to configure SCA3000 operation and the

operation parameters.

Address: 00h

Bits

Mode

Initial

Value

Name

Description

7:4

REVMAJ

Major revision number

3:0

REVMIN

Minor revision number

Address: 02h

Bits

Mode

Initial

Value

Name

Description

7:6

Reserved

LOCK

Status of lock register

0 – Lock is closed

1 – Lock is open

4:2

Reserved

CSME

EEPROM checksum error

1 – EEPROM checksum error

0 – No error

SPI_FRAME

SPI frame error. Bit is reset, when next correct SPI

frame is received (only for products with SPI bus).

1 – SPI frame error

0 – No error

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