STV82X8 datasheet(5/157 Pages) STMICROELECTRONICS

5 / 157 page

5/157

STV82x8

Chapter 5

Analog Audio Matrix (Input / Output) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Chapter 6

I²S Interface (In / Out) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

6.1

I²S Inputs ............................................................................................................................ 36

6.1.1

I²S Inputs in TQFP 80 Package ...............................................................................................................36

6.1.2

I²S Inputs in TQFP 100 Package .............................................................................................................37

6.2

I²S Outputs ......................................................................................................................... 37

6.2.1

I²S Outputs in TQFP 80 Package ............................................................................................................37

6.2.2

I²S Outputs in TQFP 100 Package ..........................................................................................................38

Chapter 7

S/PDIF Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Chapter 8

Power Supply Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

8.1

Standby Mode (Loop-through mode) ................................................................................. 41

Chapter 9

Additional Controls and Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

9.1

Headphone Detection ........................................................................................................ 42

9.2

IRQ Generation .................................................................................................................. 42

9.3

I²C Bus Expander ............................................................................................................... 42

Chapter 10

STV82x8 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Chapter 11

I²C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

11.1

I²C Address and Protocol ...................................................................................................44

11.2

Start-up and Configuration Change Procedure .................................................................. 45

Chapter 12

Register List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

12.1

I²C Register Map ................................................................................................................ 47

12.2

Software Registers ............................................................................................................. 49

12.3

STV82x8 General Control Registers .................................................................................. 53

12.4

Clocking 1 .......................................................................................................................... 56

12.5

Demodulator ....................................................................................................................... 58

12.6

Demodulator Channel 1 ..................................................................................................... 61

12.7

I2S and Analog Control ...................................................................................................... 69

12.8

Clocking 2 .......................................................................................................................... 72

12.9

DSP Control ....................................................................................................................... 73

12.10

Automatic Standard Recognition ........................................................................................ 78

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