Cs5460a – Cirrus Logic CS5460A User Manual

Page 45

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CS5460A

DS487F5

45

RS

Start a chip reset cycle when set 1. The reset cycle lasts for less than 10 XIN cycles. The bit is

automatically returned to 0 by the reset cycle.

DL0

When EOD = 1, EDIR becomes a user defined pin. DL0 sets the value of the EDIR pin.

Default = '0'

DL1

When EOD = 1, EOUT becomes a user defined pin. DL1 sets the value of the EOUT pin.

Default = '0'

EOD

Allows the EOUT and EDIR pins to be controlled by the DL0 and DL1 bits. EOUT and EDIR can

also be accessed using the Status Register.
0 = Normal operation of the EOUT and EDIR pins. (default)
1 = DL0 and DL1 bits control the EOUT and EDIR pins.

SI[1:0]

Soft interrupt configuration. Select the desired pin behavior for indication of an interrupt.

00 = active low level (default)
01 = active high level
10 = falling edge (INT is normally high)
11 = rising edge (INT is normally low)

Res

Reserved. These bits must be set to zero.

EWA

Allows the output pins of EOUT and EDIR of multiple chips to be connected in a wire-AND, us-

ing an external pull-up device.
0 = normal outputs (default)
1 = only the pull-down device of the EOUT and EDIR pins are active

Gi

Sets the gain of the current PGA

0 = gain is 10 (default)
1 = gain is 50

PC[6:0]

Phase compensation. A 2’s complement number used to set the delay in the voltage channel.

When MCLK = 4.096 MHz and K = 1, the phase adjustment range is about -2.8 to +2.8 degrees
and each step is about 0.04 degrees (this assumes that the power line frequency is 60 Hz). If
(MCLK / K) is not 4.096 MHz, the values for the range and step size should be scaled by the
factor 4.096 MHz / (MCLK / K).
Default setting is 0000000 = 0.0215 degrees phase delay (when MCLK = 4.096 MHz).

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