CS8420-CS Cirrus Logic Inc, CS8420-CS Datasheet - Page 2

• Manufacturer Part Number: CS8420-CS
• Description: Transceiver IC
• Manufacturer: Cirrus Logic Inc

Specifications of CS8420-CS

• Audio Control Type: Sample Rate Converter
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: -10°C To +70°C
• Audio Ic Case Style: SOIC
• No. Of Pins: 28
• Msl: MSL 2 - 1 Year
• Frequency Max: 108GHz
• Bandwidth: 20kHz
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TABLE OF CONTENTS
2
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/
Preliminary product information describes products which are in production, but for which full characterization data is not yet available. 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
any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, nor for infringements of patents or other rights
of third parties. This document is the property of Cirrus Logic, Inc. and implies no license under patents, copyrights, trademarks, or trade secrets. No part of
this publication may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photographic, or
otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user. However, no
part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical,
photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc.Furthermore, no part of this publication may be used as a basis for manufacture
or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of Cirrus Logic, Inc. or other vendors and suppliers appearing
in this document may be trademarks or service marks of their respective owners which may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trade-
marks and service marks can be found at http://www.cirrus.com.
1. CHARACTERISTICS/SPECIFICATIONS ................................................................................. 5
2. TYPICAL CONNECTION DIAGRAM ...................................................................................... 10
3. GENERAL DESCRIPTION ..................................................................................................... 11
4. DATA I/O FLOW AND CLOCKING OPTIONS ....................................................................... 12
5. SAMPLE RATE CONVERTER (SRC) .................................................................................... 15
6. THREE-WIRE SERIAL AUDIO PORTS ................................................................................. 16
7. AES3 TRANSMITTER AND RECEIVER ................................................................................ 19
8. OMCK OUT ON RMCK ........................................................................................................... 21
9. PLL EXTERNAL COMPONENTS .......................................................................................... 21
10. CONTROL PORT DESCRIPTION AND TIMING .................................................................. 26
11. CONTROL PORT REGISTER BIT DEFINITIONS ................................................................ 28
12. SYSTEM AND APPLICATIONS ISSUES ............................................................................. 44
PERFORMANCE SPECIFICATIONS ....................................................................................... 5
DIGITAL FILTER CHARACTERISTICS.................................................................................... 5
POWER AND THERMAL CHARACTERISTICS....................................................................... 5
DIGITAL CHARACTERISTICS ................................................................................................. 6
SWITCHING CHARACTERISTICS .......................................................................................... 6
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORTS................................................. 7
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE..................................... 8
SWITCHING CHARACTERISTICS - CONTROL PORT - I
5.1 Dither ............................................................................................................................... 15
5.2 SRC Locking, Varispeed and the Sample Rate Ratio Register ....................................... 15
7.1 AES3 Receiver ................................................................................................................. 19
9.1 Error Reporting and Hold Function .................................................................................. 21
9.2 Channel Status Data Handling ......................................................................................... 21
9.3 User Data Handling .......................................................................................................... 22
9.4 Non-Audio Auto Detection ............................................................................................... 22
9.5 AES3 Transmitter ............................................................................................................. 23
9.6 Mono Mode Operation ..................................................................................................... 24
10.1 SPI Mode ....................................................................................................................... 26
10.2 I
10.3 Interrupts ........................................................................................................................ 27
12.1 Reset, Power Down and Start-up Options ..................................................................... 44
12.2 ID Code and Revision Code .......................................................................................... 44
2
7.1.1 PLL, Jitter Attenuation, and Varispeed ................................................................ 19
9.5.1 Transmitted Frame and Channel Status Boundary Timing ................................. 23
9.5.2 TXN and TXP Drivers .......................................................................................... 23
C Mode ........................................................................................................................ 27
2
C
®
MODE ................................... 9
CS8420
DS245PP2