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ADSP-1981BL Datasheet(PDF) 2 Page - Analog Devices

Part No. ADSP-1981BL
Description  AC 97 SoundMAX Codec
Download  32 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADSP-1981BL Datasheet(HTML) 2 Page - Analog Devices

 
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AD1981BL
Rev. A | Page 2 of 32
TABLE OF CONTENTS
Specifications..................................................................................... 3
Test Conditions............................................................................. 3
General Specifications ................................................................. 3
Power-Down States ...................................................................... 5
Timing Parameters ....................................................................... 5
Absolute Maximum Ratings............................................................ 9
Environmental Conditions.......................................................... 9
Pin Configuration and Function Descriptions........................... 10
Indexed Control Registers ............................................................. 12
Control Register Details ................................................................ 13
Reset Register .............................................................................. 13
Master Volume Register............................................................. 13
Headphone Volume Register .................................................... 14
Mono Volume Register .............................................................. 15
Phone Volume Register.............................................................. 15
MIC Volume Register................................................................. 16
Line-In Volume Register............................................................ 16
CD Volume Register................................................................... 17
AUX Volume Register ................................................................ 17
PCM-Out Volume Register....................................................... 18
Record Select Control Register................................................. 19
Record Gain Register ................................................................. 19
General-Purpose Register ......................................................... 20
Power-Down Control/Status Register ..................................... 21
Extended Audio ID Register ..................................................... 22
Extended Audio Status and Control Register ......................... 22
PCM Front DAC Rate Register................................................. 23
PCM ADC Rate Register ........................................................... 23
SPDIF Control Register ............................................................. 24
EQ Control Register................................................................... 24
EQ Data Register ........................................................................ 26
Mixer ADC, Input Gain Register ............................................. 26
Jack Sense/Audio Interrupt/Status Register............................ 27
Serial Configuration Register ................................................... 29
Miscellaneous Control Bit Register ......................................... 29
Vendor ID Registers................................................................... 31
Outline Dimensions ....................................................................... 32
Ordering Guide .......................................................................... 32
REVISION HISTORY
1/05—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Ordering Guide .......................................................... 32
1/04—Revision 0: Initial Version


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