Table Of Contents - Cirrus Logic CDB4244 Manual

TABLE OF CONTENTS

1. PIN DESCRIPTIONS ............................................................................................................................ 5
1.1 I/O Pin Characteristics ..................................................................................................................... 6
2. TYPICAL CONNECTION DIAGRAM
3. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 8
RECOMMENDED OPERATING CONDITIONS .................................................................................... 8
ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 8
DC ELECTRICAL CHARACTERISTICS ................................................................................................ 9
TYPICAL CURRENT CONSUMPTION ............................................................................................... 10
ANALOG INPUT CHARACTERISTICS (COMMERCIAL GRADE) ...................................................... 11
ANALOG INPUT CHARACTERISTICS (AUTOMOTIVE GRADE) ...................................................... 12
ADC DIGITAL FILTER CHARACTERISTICS ...................................................................................... 14
ANALOG OUTPUT CHARACTERISTICS (COMMERCIAL GRADE) .................................................. 15
ANALOG OUTPUT CHARACTERISTICS (AUTOMOTIVE GRADE) .................................................. 16
COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ............................. 17
DIGITAL I/O CHARACTERISTICS ...................................................................................................... 18
SWITCHING CHARACTERISTICS - SERIAL AUDIO INTERFACE .................................................... 19
SWITCHING SPECIFICATIONS - CONTROL PORT .......................................................................... 21
4. APPLICATIONS ................................................................................................................................... 22
4.1 Power Supply Decoupling, Grounding, and PCB Layout ............................................................... 22
4.2 Recommended Power-up & Power-down Sequence ..................................................................... 22
4.3 I²C Control Port .............................................................................................................................. 24
4.4 System Clocking ............................................................................................................................ 26
4.5 Serial Port Interface ....................................................................................................................... 28
4.6 Internal Signal Path ....................................................................................................................... 31
4.7 Reset Line ...................................................................................................................................... 42
4.8 Error Reporting and Interrupt Behavior .......................................................................................... 43
5. REGISTER QUICK REFERENCE ........................................................................................................ 46
6. REGISTER DESCRIPTIONS ................................................................................................................ 48
6.1 Device I.D. A-F (Address 01h-03h) (Read Only)
6.2 Revision I.D. (Address 05h) (Read Only) ....................................................................................... 48
6.3 Clock & SP Select (Address 06h) .................................................................................................. 49
6.4 Sample Width Select (Address 07h) .............................................................................................. 50
6.5 Serial Port Control (Address 08h) .................................................................................................. 50
6.6 Serial Port Data Select (Address 09h) ........................................................................................... 51
6.7 ADC Control 1 (Address 0Fh) ........................................................................................................ 52
6.8 ADC Control 2 (Address 10h) ........................................................................................................ 52
6.9 DAC Control 1 (Address 12h) ........................................................................................................ 53
6.10 DAC Control 2 (Address 13h) ...................................................................................................... 53
6.11 DAC Control 3 (Address 14h) ...................................................................................................... 54
6.12 DAC Control 4 (Address 15h) ...................................................................................................... 54
6.13 Volume Mode (Address 16h) ....................................................................................................... 55
6.14 Master and DAC1-4 Volume Control (Address 17h, 18h, 19h, 1Ah, & 1Bh) ................................ 56
6.15 Interrupt Control (Address 1Eh) ................................................................................................... 56
6.16 Interrupt Mask 1 (Address 1Fh) ................................................................................................... 57
6.17 Interrupt Mask 2 (Address 20h) ................................................................................................... 58
6.18 Interrupt Notification 1 (Address 21h) (Read Only) ...................................................................... 58
6.19 Interrupt Notification 2 (Address 22h) (Read Only) ...................................................................... 59
7. ADC FILTER PLOTS ............................................................................................................................ 60
8. DAC FILTER PLOTS ............................................................................................................................ 61
9. PACKAGE DIMENSIONS ................................................................................................................... 63
10. ORDERING INFORMATION .............................................................................................................. 64
11. REVISION HISTORY .......................................................................................................................... 65
DS900PP2
................................................................................................... 7
....................................................................... 48
CS4244
2