ADIS16365SLASHPCBZ datasheet(16/20 Pages) AD

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ADIS16365

Preliminary Technical Data

Rev. PrA | Page 16 of 20

Table 21. ALM_CTRL Bit Designations

Bits

Value

Description

(Default = 0x0000)

[15:12]

Alarm 2 source selection

0000

Disable

0001

Power supply output

0010

X-axis gyroscope output

0011

Y-axis gyroscope output

0100

Z-axis gyroscope output

0101

X-axis accelerometer output

0110

Y-axis accelerometer output

0111

Z-axis accelerometer output

1000

X-axis gyroscope temperature output

1001

Y-axis gyroscope temperature output

1010

Z-axis gyroscope temperature output

1011

Auxiliary ADC input

[11:8]

Alarm 1 source selection (same as Alarm 2)

[7]

Rate of change (ROC) enable for Alarm 2

1 = rate of change, 0 = static level

[6]

Rate of change (ROC) enable for Alarm 1

1 = rate of change, 0 = static level

[5]

Not used

[4]

Comparison data filter setting1

1 = filtered data, 0 = unfiltered data

[3]

Not used

[2]

Alarm output enable

1 = enabled, 0 = disabled

[1]

Alarm output polarity

1 = active high, 0 = active low

[0]

Alarm output line select

1 = DIO2, 0 = DIO1

1 Incline and vertical angles always use filtered data in this comparison.

Status

The STATUS register provides a series of error flags that

provide indicator functions for common system-level issues.

All of the flags clear (set to 0) after each STATUS register read

cycle. If an error condition remains, the error flag returns to 1

during the next sample cycle.

Table 22. STATUS Bit Descriptions

Bit

Description

(Default = 0x0000)

[15:10]

Not used

[9]

Alarm 2 status

1 = active, 0 = inactive

[8]

Alarm 1 status

1 = active, 0 = inactive

[7]

Not used

[6]

Flash failure

[5]

Self-test diagnostic error flag

1 = error condition, 0 = normal operation

[4]

Not used

[3]

SPI communications failure

1 = error condition, 0 = normal operation

[2]

Flash update failed

1 = error condition, 0 = normal operation

[1]

Power supply above 5.25 V

1 ≥ 5.25 V, 0 ≤ 5.25 V (normal)

[0]

Power supply below 4.75 V

1 ≤ 4.75 V, 0 ≥ 4.75 V (normal)

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