CS5461A datasheet(33/44 Pages) CIRRUS

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CS5461A

DS661F2

6.21 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

6.22 Temperature Gain Register ( TGain )

Address: 29

Default = 0x2F02C3 = 23.5073471

Sets the temperature channel gain. Temperature gain (TGain) is utilized to convert from one temperature scale to an-

other. The Celsius scale (oC) is the default. Values are represented in unsigned notation and in the range of

≤ TGain < 128, with the binary point to the right of the seventh MSB.

FAC

EAC

STOP

654

MECH

INTOD

NOCPU

NOOSC

STEP

MSB

LSB

2-1

.....

2-11

2-12

2-13

2-14

2-15

2-16

2-17

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