YSS952 datasheet(4/116 Pages) YAMAHA

4 / 116 page

YSS952

6SS952A30

TABLE OF CONTENTS >

Overview.......................................................................................................................................7

1.1

Features............................................................................................................................................. 7

1.2

Applications ...................................................................................................................................... 8

1.3

Term Definition ................................................................................................................................ 8

1.4

Block Diagram.................................................................................................................................. 9

Pin Function...............................................................................................................................10

2.1

Pin Assignment ............................................................................................................................... 10

2.2

Pin Descriptions...............................................................................................................................11

2.3

Pin Circuit Description .................................................................................................................. 13

2.4

Pin States......................................................................................................................................... 16

2.4.1

Power-Off Mode............................................................................................................................. 16

2.4.2

Hardware Reset Mode................................................................................................................... 16

2.4.3

Normal Operation Mode............................................................................................................... 16

2.5

System Configuration Examples................................................................................................... 17

2.6

Firmware......................................................................................................................................... 19

FUNCTION DESCRIPTION...................................................................................................22

3.1

Register Descriptions ..................................................................................................................... 22

3.1.1

Register Map .................................................................................................................................. 22

3.1.2

On-Chip RAM Address Map ........................................................................................................ 24

3.1.3

On-Chip ROM Access Settings..................................................................................................... 25

3.2

Host Controller Interface .............................................................................................................. 26

3.2.1

I2C Interface................................................................................................................................... 26

3.2.2

Access Timing Chart...................................................................................................................... 27

3.2.3

Commands...................................................................................................................................... 30

3.2.4

ACK/NACK Handshakes.............................................................................................................. 34

3.3

Audio Interface............................................................................................................................... 36

3.3.1

Audio Interface Pin Configurations ............................................................................................. 36

3.3.2

Device Connection Examples........................................................................................................ 40

3.3.3

Internal Clock System ................................................................................................................... 42

3.3.4

Audio Signal Interface................................................................................................................... 43

3.3.5

Digital Audio Interface Input Signal Format .............................................................................. 44

3.3.6

Digital Audio Interface Output Signal Format ........................................................................... 47

3.3.7

AIF Status ....................................................................................................................................... 50

3.3.8

GPIO Port Data Directions ........................................................................................................... 52

3.4

MDSP2 ............................................................................................................................................ 54

3.4.1

MDSP2 Controls ............................................................................................................................ 55

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