MX802 データシートの表示（PDF） - MX-COM Inc
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コンポーネント説明
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MX802 Datasheet PDF : 24 Pages
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DVSR CODEC
Section
2
Contents
MX802
Page
1 Block Diagram................................................................................................................ 3
2 Signal List....................................................................................................................... 4
3 External Components.................................................................................................... 6
4 General Description....................................................................................................... 7
4.1 Controlling Protocol ............................................................................................................. 8
4.1.1 Address/Commands............................................................................................................... 8
4.1.2 Operation with DRAM............................................................................................................. 8
4.1.3 Speech ................................................................................................................................... 9
4.1.4 Data Handling....................................................................................................................... 10
4.2 Write to Control Register ................................................................................................... 12
4.2.1 General Reset ...................................................................................................................... 12
4.2.2 Direct Access ....................................................................................................................... 12
4.2.3 Play Counter......................................................................................................................... 12
4.2.4 DRAM Control ...................................................................................................................... 12
4.2.5 Codec Powersave ................................................................................................................ 12
4.2.6 Command Interrupt Enable .................................................................................................. 12
4.2.7 Store and Play Speech Synchronization .............................................................................. 12
4.2.8 Decoder and Encoder Control.............................................................................................. 12
4.3 Encoder and Decoder Control : Analog Input and Output Control..................................... 14
4.3.1 Time Compression of Speech .............................................................................................. 15
4.4 Read Status Register ........................................................................................................ 15
4.4.1 Interrupts .............................................................................................................................. 15
4.4.2 Power Register..................................................................................................................... 15
5 Application – Codec Performance ............................................................................. 17
6 Performance Specifications........................................................................................ 19
6.1 Electrical Specifications..................................................................................................... 19
6.1.1 Absolute Maximum Limits .................................................................................................... 19
6.1.2 Operating Limits ................................................................................................................... 19
6.1.3 Operating Characteristics..................................................................................................... 20
6.1.4 Timing................................................................................................................................... 21
6.2 Packages........................................................................................................................... 23
MXCOM, Inc. reserves the right to change specifications at any time without notice.
1998 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480033.008
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
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