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AD1815 Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге
Компоненты Описание
производитель
AD1815
ADI
Analog Devices ADI
AD1815 Datasheet PDF : 44 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
AD1815
TABLE OF CONTENTS
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRODUCT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
HOST INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SERIAL INTERFACES . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
ISA INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
APPENDIX A
Additional Plug and Play Programming Information . . . . 41
Plug and Play Key & “Alternate Key” Sequences . . . . . . . 42
Reference Designs and Device Drivers . . . . . . . . . . . . . . . 43
FIGURES
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 1. PIO Read Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 2. PIO Write Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3. DMA Read Cycle . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4. DMA Write Cycle . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 5. Codec Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. DSP Port Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. I2S Serial Port Timing . . . . . . . . . . . . . . . . . . . . . . 8
Figure 8. Reset Pulse Width . . . . . . . . . . . . . . . . . . . . . . . . . 8
Pin Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 9. Serial Interface Right-Justified Mode . . . . . . . . . . 18
Figure 10. Serial Interface I2S-Justified Mode . . . . . . . . . . . 18
Figure 11. Serial Interface Left-Justified Mode . . . . . . . . . . 18
Figure 12. DSP Serial Interface (Default Frame Rate) . . . . 21
Figure 13. DSP Serial Interface (User Programmed
Frame Rate) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 14. DSP Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 15. Codec Transfers . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 16. AD1815 Frequency Response Plots . . . . . . . . . . . 43
Outline Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
TABLES
Table I. Modem Disabled Timeslot Map . . . . . . . . . . . . . . 19
Table II. Chip Register Diagram . . . . . . . . . . . . . . . . . . . . . 22
Table III. Logical Devices and Compatible Plug
and Play Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table IV. Logical Device Configuration . . . . . . . . . . . . . . . 24
Table V. Sound System Direct Registers . . . . . . . . . . . . . . . 24
Table VI. Codec Transfers . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table VII. Indirect Register Map and Reset/Default States 31
Table VIII. Sound System Indirect Registers . . . . . . . . . . . 32
Table IX. Sound Blaster Pro ISA Bus Register . . . . . . . . . . 39
Table X. Adlib ISA Bus Register . . . . . . . . . . . . . . . . . . . . . 39
Table XI. MIDI ISA Bus Register . . . . . . . . . . . . . . . . . . . . 40
Table XII. Game Port ISA Bus Registers . . . . . . . . . . . . . . 40
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