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AD1940 Fiches technique(PDF) 2 Page - Analog Devices

No de pièce AD1940
Description  SigmaDSP Multichannel 28-Bit Audio Processor
Download  36 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1940 Fiches technique(HTML) 2 Page - Analog Devices

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AD1940/AD1941
Rev. B | Page 2 of
36
TABLE OF CONTENTS
Specifications..................................................................................... 3
Digital I/O ..................................................................................... 3
Power.............................................................................................. 3
Digital Timing............................................................................... 4
PLL ................................................................................................. 5
Regulator........................................................................................ 5
Temperature Range ...................................................................... 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Digital Timing Diagrams................................................................. 7
Pin Configuration and Function Descriptions............................. 9
Features ............................................................................................ 11
Pin Functions .............................................................................. 12
Signal Processing ............................................................................ 14
Overview...................................................................................... 14
Numeric Formats........................................................................ 14
Programming .............................................................................. 14
Control Port..................................................................................... 15
Overview...................................................................................... 15
AD1940 SPI Port ........................................................................ 15
AD1941 I2C Port......................................................................... 15
RAMs and Registers ....................................................................... 19
Control Port Addressing ........................................................... 19
Parameter RAM Contents......................................................... 19
Recommended Program/Parameter Loading Procedures.... 20
Target/Slew RAM ....................................................................... 20
Safeload Registers ....................................................................... 23
Data Capture Registers .............................................................. 23
DSP Core Control Register ....................................................... 24
RAM Configuration Register ................................................... 25
Control Port Read/Write Data Formats .................................. 25
Serial Data Input/Output Ports .................................................... 28
Serial Output Control Registers ............................................... 30
Serial Input Control Register .................................................... 30
Initialization .................................................................................... 33
Power-Up Sequence ................................................................... 33
Setting Master Clock/PLL Mode.............................................. 33
Voltage Regulator ....................................................................... 33
Outline Dimensions ....................................................................... 35
Ordering Guide .......................................................................... 35
REVISION HISTORY
4/10—Rev. A to Rev. B
Changes to Voltage Regulator Section .....................................34
Updated Outline Dimensions ...................................................35
Changes to Ordering Guide ......................................................35
4/05—Rev. 0 to Rev. A
Added AD1941 .............................................................. Universal
Changes to Specifications ............................................................3
Changes to Pin Function Descriptions......................................9
Changes to Features Section......................................................11
Changes to Pin Functions Section............................................13
Addition of AD1940 SPI Port Section .....................................15
Added Table 13 to Table 16 .......................................................18
7/04—Revision 0: Initial Version


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