Cirrus-logic CRD4202-1 Manuel d'utilisateur

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Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright Cirrus Logic, Inc. 2002
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
CrystalClear™ AC '97 Six Channel CNR Audio Reference Design
Features
! Six Channel Analog Audio Outputs
! Headphone Sense using GPIO
! CS4202 codec and two CS4334 DACs
! 20-bit D to A conversion (DAC)
! 18-bit A to D conversion (ADC)
! S/PDIF (IEC-958) optical digital output
! Complete suite of Analog I/O connections:
– Line, Mic, CD, Video, Modem, and Aux Inputs
– Modem, Headphone, Line Front, Line Rear
and Line Center/Sub-Woofer Outputs
! 2-layer low cost PC board
! Meets Intel
®
AC '97 revision 2.2
! Exceeds Microsoft’s
®
PC 2001 audio
performance requirements.
Description
The CRD4202-1 reference design features six channel
analog audio outputs, an optical S/PDIF digital output,
and Communication and Networking Riser (CNR) inter-
face. This design uses the CS4202 audio codec which
has several advanced features including a built-in head-
phone amplifier, simultaneous six channel analog and
S/PDIF optical digital output, GPIO for headphone de-
tection, and up to 30 dB of internal microphone boost.
The CRD4202-1 reference design is available by order-
ing the CMK4202-1 manufacturing kit. This kit includes
the CRD4202-1 board, a full set of schematic design
files (OrCAD
®
format), PCB job files (PADS
®
ASCII),
PCB artwork files, and bill of materials. This reference
design offers significant cost savings over competing
solutions and can be easily modified to meet your spe-
cific design goals.
ORDERING INFO
CMK4202-1 (Manufacturing Kit)
AUX INVIDEO INCD ININT MODEM
MIC
IN
Cirrus Logic
CRD4202-1
CS4202
S/PDIF
OUT
CNT/LFE
OUT
SURR
OUT
HEADPH
OUT
LINE
OUT
LINE
IN
Microphone Input
Line Input
Line Output
Headphone Output
Rear Channel Output
Center / Sub-Woofer Output
S/PDIF Digital Optical Output
JAN ‘02
DS549RD1A1
CRD4202-1
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Résumé du contenu

Page 1 - CRD4202-1

Preliminary Product InformationThis document contains information for a new product.Cirrus Logic reserves the right to modify this product without not

Page 2

CRD4202-110 DS549RD1A1R4047KR39270KC4010uFELEC+ C420.1uFZ5UC410.1uFZ5UC392700pFX7RC452700pFX7RR33270KU2 CS4334SDATA1DEM#/SCLK2LRCK3MCLK4AOUTR5AGND6VA+

Page 3

CRD4202-1DS549RD1A1 11C57100pFNPOJ1162317R45220KC48 1uFELEC+C56 1uFELEC+C58100pFNPOR5610KR4810KC49 1uFELEC+J1043521C54 220uFELEC+C50100pFNPOC55 220uFE

Page 4

CRD4202-112 DS549RD1A1Figure 6. S/PDIF Optical OutputR50 8.2KC590.1uFZ5UJ12TOTX-173123456DGNDDGND+5VDDGNDSPDIF_TX

Page 5

CRD4202-1DS549RD1A1 13U5AT24C02SCL6SDA5Vcc8A01A12WP7Vss4A23C6710uFELEC+C6610uFELEC+C610.1uFZ5UC600.1uFZ5UC6210uFELEC+ C630.1uFZ5UC6410uFELEC+TP1 TP2 T

Page 6

CRD4202-114 DS549RD1A1R51NO POPC68NO POPC69NO POPR52NO POPR53NO POPY2NO POP312 4DGND DGND+3.3VDDGNDXTAL_OUTXTAL_INID1#ID0#1)2)3)4)For PLL operation:OP

Page 7

CRD4202-1DS549RD1A1 15U7TC7SZ125FU512 43U8TC7SZ126FU512 43C700.1uFX7RC710.1uFX7RR541K+3.3VDDGNDDGND+3.3VDPRIM_DN#ASDIN1ASDIN0ASDINR54 = 1K forcesmothe

Page 8

CRD4202-116 DS549RD1A1Figure 10. PCB Layout: Top Assembly Drawing

Page 9

CRD4202-1DS549RD1A1 17Figure 11. PCB Layout: Top Layer

Page 10

CRD4202-118 DS549RD1A1Figure 12. PCB Layout: Bottom Layer

Page 11

CRD4202-1DS549RD1A1 19Figure 13. PCB Layout: Drill Drawing

Page 12

CRD4202-12 DS549RD1A1TABLE OF CONTENTS1. GENERAL INFORMATION ...32. SC

Page 13

CRD4202-120 DS549RD1A1Figure 14. PCB Layout: Top Silkscreen

Page 14

CRD4202-1DS549RD1A1 215. BILL OF MATERIALSItem Quantity Reference Manufacturer Part Number Description1 12 C1,C2,C3,C4,C31,C41,C42,C59,C60,C61,C63,C65

Page 15

CRD4202-122 DS549RD1A118 10 L1,L2,L3,L4,L5,L6,L7,L8,L9,L10TDK HF50ACB321611-T IND, FBEAD, 1206, 31@100MHz, 25%19 1 P1 NONE NONE CNR BUS CONNECTOR20 2

Page 16

CRD4202-1DS549RD1A1 2338 1 U5 ATMEL AT24C02N-10SC-2.7IC, SO, SOIC8, SERIAL EEPROM, 256 x 8, 2.7V39 1 U6 MOTOROLA MC78M05CDT IC, SO, +5V REGULATOR, DPA

Page 18

CRD4202-1DS549RD1A1 31. GENERAL INFORMATIONThe CRD4202-1 reference design is a CNR cardthat features six channel CD quality analog andS/PDIF digital a

Page 19

CRD4202-14 DS549RD1A1The CS4202 features a pseudo-differential CD in-put that minimizes common mode noise and inter-ference. Each CD signal acts as on

Page 20

CRD4202-1DS549RD1A1 5formance, and package selection as the mostimportant factors. Listed are some of the guidelinesused in the selection of component

Page 21

CRD4202-16 DS549RD1A14. REFERENCES1) Intel®, Audio Codec '97 Component Specification, Revision 2.2, September, 2000.http://developer.intel.com/ia

Page 22

CRD4202-1DS549RD1A1 7CNR_BUSASYNCPRIM_DN#ASDOUTABITCLKASDIN1ASDIN0ARST#ANALOG_OUTHP_OUT_RHP_OUT_LHP_OUT_CLINE_OUT_RLINE_OUT_LGPIO2SPDIF_OUTSPDIF_TXPRI

Page 23

CRD4202-18 DS549RD1A1C1422pFNPOC1522pFNPOC30.1uFZ5UC40.1uFZ5UC10.1uFZ5UR55 0C20.1uFZ5UR2 47R1 47Y124.576 MHzU1 CS4202LINE_OUT_R36MONO_OUT37AVdd238HP_O

Page 24

CRD4202-1DS549RD1A1 9R8 6.8KJ51234R29 47KR12 100KR25 6.8KJ343521C22 1uFELEC+L131@100MHzL631@100MHzJ612R4 6.8KR22 6.8KR15 1.5KR16 6.8KR26 6.8KL731@100M

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