CDB42528 Cirrus Logic Inc, CDB42528 Datasheet - Page 2

• Manufacturer Part Number: CDB42528
• Description: BOARD EVAL FOR CS42528/CS49300
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42528

• Main Purpose: Audio, Audio Processing
• Embedded: Yes, DSP
• Utilized Ic / Part: CS49300, CS42528
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, 4 S/PDIF Inputs and 2 S/PDIF Outputs
• Secondary Attributes: Parallel, RS422, RS232, UDSP Interfaces
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1503

TABLE OF CONTENTS
2
1. CHARACTERISTICS AND SPECIFICATIONS ................................................................. 7
2. FAMILY OVERVIEW ....................................................................................................... 24
3. TYPICAL CONNECTION DIAGRAMS ........................................................................... 27
4. POWER ........................................................................................................................... 35
5. CLOCKING ..................................................................................................................... 35
6. CONTROL ....................................................................................................................... 36
7. EXTERNAL MEMORY .................................................................................................... 51
8. BOOT PROCEDURE & RESET ..................................................................................... 54
1.1 Specified Operating Conditions .................................................................................. 7
1.2 Absolute Maximum Ratings ........................................................................................ 7
1.3 Thermal Data .............................................................................................................. 7
1.4 Digital D.C. Characteristics ......................................................................................... 8
1.5 Power Supply Characteristics ..................................................................................... 8
1.6 Switching Characteristics — RESET ........................................................................ 9
1.7 Switching Characteristics — CLKIN ............................................................................ 9
1.8 Switching Characteristics — Intel
1.9 Switching Characteristics — Motorola
1.10 Switching Characteristics — SP
1.11 Switching Characteristics — I
1.12 Switching Characteristics — Digital Audio Input ..................................................... 18
1.13 Switching Characteristics — Serial Bursty Data Input ............................................. 20
1.14 Switching Characteristics — Parallel Data Input ..................................................... 21
1.15 Switching Characteristics — Digital Audio Output ................................................... 22
2.1 CS493XX Document Strategy .................................................................................. 24
2.2 Multichannel Decoder Family of Parts ...................................................................... 24
3.1 Multiplexed Pins ........................................................................................................ 27
3.2 Termination Requirements ........................................................................................ 27
3.3 Phase Locked Loop Filter ......................................................................................... 28
4.1 Decoupling ................................................................................................................ 35
4.2 Analog Power Conditioning ....................................................................................... 35
4.3 Ground ...................................................................................................................... 35
4.4 Pads .......................................................................................................................... 35
6.1 Serial Communication ............................................................................................... 36
6.2 Parallel Host Communication .................................................................................... 44
7.1 Non-Paged Memory .................................................................................................. 51
7.2 Paged Memory ......................................................................................................... 52
8.1 Host Boot .................................................................................................................. 54
8.2 Autoboot .................................................................................................................... 57
8.3 Decreasing Autoboot Times Using GFABT Codes (Fast Autoboot) ......................... 61
6.1.1 SPI Communication ...................................................................................... 36
6.1.2 I
6.1.3 INTREQ Behavior: A Special Case .............................................................. 41
6.2.1 Intel Parallel Host Communication Mode ...................................................... 46
6.2.2 Motorola Parallel Host Communication Mode .............................................. 47
6.2.3 Procedures for Parallel Host Mode Communication ..................................... 48
8.1.1 Serial Download Sequence .......................................................................... 54
8.1.2 Parallel Download Sequence ........................................................................ 57
8.2.1 Autoboot INTREQ Behavior .......................................................................... 60
8.3.1 Design Considerations when using GFABT Codes ...................................... 63
2
C Communication ....................................................................................... 38
2
C
I
®
®
™ Control Port ..................................................... 14
Host Mode ......................................................... 10
Control Port ....................................................... 16
®
Host Mode .................................................. 12
CS49300 Family DSP
DS339F7