CS8420-CSZ 参数 Datasheet PDF下载

型号：	CS8420-CSZ
PDF下载：	下载PDF文件查看货源
内容描述：	数字音频采样率转换器 [DIGITAL AUDIO SAMPLE RATE CONVERTER]
分类和应用：	转换器
文件页数/大小：	94 页 / 1335 K
品牌：	CIRRUS [ CIRRUS LOGIC ]

CS8420

TABLE OF CONTENTS

1. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 6

SPECIFIED OPERATING CONDITIONS .............................................................................................. 6

ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 6

PERFORMANCE SPECIFICATIONS .................................................................................................... 7

DIGITAL FILTER CHARACTERISTICS ................................................................................................. 7

DC ELECTRICAL SPECIFICATIONS .................................................................................................... 7

DIGITAL INPUT CHARACTERISTICS .................................................................................................. 8

DIGITAL INTERFACE SPECIFICATIONS ............................................................................................. 8

TRANSMITTER CHARACTERISTICS .................................................................................................. 8

SWITCHING CHARACTERISTICS ....................................................................................................... 8

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORTS .............................................................. 9

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI™ MODE ............................................. 10

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C® MODE ............................................... 11

2. TYPICAL CONNECTION DIAGRAM ................................................................................................... 12

3. GENERAL DESCRIPTION ................................................................................................................... 13

4. DATA I/O FLOW AND CLOCKING OPTIONS ..................................................................................... 14

5. SAMPLE RATE CONVERTER (SRC) .................................................................................................. 18

5.1 Dither ............................................................................................................................................. 18

5.2 SRC Locking, Varispeed and the Sample Rate Ratio Register ..................................................... 18

6. THREE-WIRE SERIAL AUDIO PORTS ............................................................................................... 19

7. AES3 TRANSMITTER AND RECEIVER .............................................................................................. 22

7.1 AES3 Receiver ............................................................................................................................... 22

7.1.1 PLL, Jitter Attenuation, and Varispeed .................................................................................. 22

7.1.2 OMCK Out On RMCK ........................................................................................................... 22

7.1.3 Error Reporting and Hold Function ........................................................................................ 22

7.1.4 Channel Status Data Handling .............................................................................................. 23

7.1.5 User Data Handling ............................................................................................................... 23

7.1.6 Non-Audio Auto Detection ..................................................................................................... 24

7.2 AES3 Transmitter ........................................................................................................................... 24

7.2.1 Transmitted Frame and Channel Status Boundary Timing ................................................... 24

7.2.2 TXN and TXP Drivers ............................................................................................................ 25

7.3 Mono Mode Operation ................................................................................................................... 25

8. AES3 TRANSMITTER AND RECEIVER .............................................................................................. 28

8.1 Sample Rate Converter ................................................................................................................. 28

8.2 Non-SRC Delay ............................................................................................................................. 29

9. CONTROL PORT DESCRIPTION AND TIMING ................................................................................. 30

9.1 SPI Mode ....................................................................................................................................... 30

9.2 I²C Mode ........................................................................................................................................ 31

9.3 Interrupts ........................................................................................................................................ 31

10. CONTROL PORT REGISTER BIT DEFINITIONS ............................................................................. 32

10.1 Memory Address Pointer (MAP) .................................................................................................. 32

10.2 Miscellaneous Control 1 (01h) ..................................................................................................... 34

10.3 Miscellaneous Control 2 (02h) ..................................................................................................... 35

10.4 Data Flow Control (03h) ............................................................................................................... 36

10.5 Clock Source Control (04h) .......................................................................................................... 37

10.6 Serial Audio Input Port Data Format (05h) ................................................................................... 38

10.7 Serial Audio Output Port Data Format (06h) ................................................................................ 39

10.8 Interrupt 1 Register Status (07h) (Read Only) ............................................................................. 40

10.9 Interrupt Register 2 Status (08h) (Read Only) ............................................................................. 41

10.10 Interrupt 1 Register Mask (09h) ................................................................................................. 41

10.11 Interrupt Register 1 Mode Registers MSB & LSB (0Ah,0Bh) ..................................................... 41

10.12 Interrupt 2 Register Mask (0Ch) ................................................................................................. 42

DS245F4

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