CS5461A datasheet(31/41 Pages) CIRRUS

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CS5461A

DS661F1

6.18 Control Register

Default = 0x000000

FAC

Determines if anti-creep is enabled for pulse output E3.

0 = Disable anti-creep (default)

1 = Enabled anti-creep

EAC

Determines if anti-creep is enabled for pulse output E1 and/or E2.

0 = Disable anti-creep (default)

1 = Enabled anti-creep

STOP

Terminates the auto-boot sequence.

0 = Normal (default)

1 = Stop sequence

MECH

Mechanical Counter Format, E1 or E2 becomes active low pulses with an output frequency pro-

portional to the active power

0 = Normal (default) or Stepper Motor Format

1 = Mechanical Counter Format, also ALT = 0

INTOD

Converts INT output pin to an open drain output.

0 = Normal (default)

1 = Open drain

NOCPU

Saves power by disabling the CPUCLK pin.

0 = Normal (default)

1 = Disables CPUCLK

NOOSC

Saves power by disabling the crystal oscillator.

0 = Normal (default)

1 = Oscillator circuit disabled

STEP

Stepper Motor Format, E1 and E2 becomes active low pulses with an output frequency propor-

tional to the active power

0 = Normal Format (default)

1 = Stepper Motor Format, also MECH = 0 and ALT = 0

FAC

EAC

STOP

654

MECH

INTOD

NOCPU

NOOSC

STEP

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