cs43l43 Cirrus Logic, Inc., cs43l43 Datasheet - Page 16

• Manufacturer Part Number: cs43l43
• Description: Low-voltage Stereo D/a Converter With Headphone Amplifier
• Manufacturer: Cirrus Logic, Inc.

16
5.1.3 POPGUARD
5.1.4 POWER DOWN (PDN)
5.1.5 CONTROL PORT ENABLE (CP_EN)
Function:
Function:
Function:
Default - 1
0 - Disabled
1 - Enabled
The Popguard
quiescent voltage during power-on or power-off when this feature is enabled. Please see section 3.6 for
implementation details.
Default = 1
0 - Disabled
1 - Enabled
The entire device will enter a low-power state whenever this function is enabled, but the contents of the
control registers will be retained in this mode. The power-down bit defaults to ‘enabled’ on power-up and
must be disabled before normal operation will begin.
Default = 0
0 - Disabled
1 - Enabled
The Control Port will become active and reset to the default settings when this function is enabled.
®
®
TRANSIENT CONTROL (POR)
Transient Control allows the quiescent voltage to slowly ramp to and from 0 volts to the
BIT 1
BIT 0
BIT 4
CS43L43
DS479PP3