CS4392
2DS459PP1
TABLE OF CONTENTS
1. CHARACTERISTICS/SPECIFICATIONS .................................................................................5
ANALOG CHARACTERISTICS................................................................................................5
POWER AND THERMAL CHARACTERISTICS.......................................................................7
DIGITAL CHARACTERISTICS.................................................................................................8
ABSOLUTE MAXIMUM RATINGS ...........................................................................................8
RECOMMENDED OPERATING CONDITIONS.......................................................................8
SWITCHING CHARACTERISTICS - PCM MODES.................................................................9
SWITCHING CHARACTERISTICS - DSD..............................................................................10
SWITCHING CHARACTERISTICS - CONTROL PORT - TWO-WIRE MODE.......................11
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE....................................12
2. TYPICAL CONNECTION DIAGRAMS ...................................................................................13
3. REGISTER QUICK REFERENCE ..........................................................................................15
4. REGISTER DESCRIPTION ....................................................................................................16
4.1 Mode Control 1 - Address 01h .........................................................................................16
4.1.1 Auto-Mute (Bit 7) .................................................................................................16
4.1.2 Digital Interface Formats (Bits 6:4) ......................................................................16
4.1.3 De-Emphasis Control (Bits 3:2) ...........................................................................17
4.1.4 Functional Mode (Bits 1:0) ..................................................................................17
4.2 Volume and Mixing Control (Address 02h) ......................................................................18
4.2.1 Channel A Volume = Channel B Volume (Bit 7) .................................................18
4.2.2 Soft Ramp or Zero Cross Enable (Bits 6:5) .........................................................18
4.2.3 ATAPI Channel Mixing and Muting (Bits 4:0) ......................................................18
4.3 Channel A Volume Control - Address 03h .......................................................................20
4.4 Channel B Volume Control - Address 04h........................................................................20
4.4.1 Mute (Bit 7) ..........................................................................................................20
4.4.2 Volume Control (Bits 6:0) ....................................................................................20
4.5 Mode Control 2 - Address 05h .........................................................................................20
4.5.1 Invert Signal Polarity (Bits 7:6) ............................................................................20
4.5.2 Control Port Enable (Bit 5) ..................................................................................21
4.5.3 Power Down (Bit 4) .............................................................................................21
4.5.4 AMUTEC = BMUTEC (Bit 3) ...............................................................................21
4.5.5 Freeze (Bit 2) ......................................................................................................21
4.5.6 Master Clock Divide (Bit 1) ..................................................................................21
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/sales.cfm
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C is a registered trademark of Philips Semiconductors.
Preliminary product information describes products which are in production, but for which full characterization data is not yetavailable. Advance product infor-
mation describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the information
contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of
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