CS4207
6.13.7 Pin Sense .......................................................................................................................... 117
6.13.8 Configuration Default ......................................................................................................... 118
6.14 S/PDIF Transmitter 1, S/PDIF Transmitter 2 Output Pin Widgets (Node ID = 10h, 15h) ........... 119
6.14.1 Audio Widget Capabilities ................................................................................................. 119
6.14.2 Pin Capabilities .................................................................................................................. 120
6.14.3 Connection List Length ...................................................................................................... 120
6.14.4 S/PDIF Transmitter 1 Connection List Entry ..................................................................... 121
6.14.5 S/PDIF Transmitter 2 Connection List Entry ..................................................................... 121
6.14.6 Pin Widget Control ............................................................................................................ 122
6.14.7 S/PDIF Transmitter 1 Configuration Default ...................................................................... 123
6.14.8 S/PDIF Transmitter 2 Configuration Default ...................................................................... 124
6.15 Vendor Processing Widget (Node ID = 11h) .............................................................................. 125
6.15.1 Audio Widget Capabilities ................................................................................................. 125
6.15.2 Processing Capabilities ..................................................................................................... 125
6.15.3 Processing State ............................................................................................................... 126
6.15.4 Coefficient Index ................................................................................................................ 126
6.15.5 Processing Coefficient ....................................................................................................... 127
6.15.6 Coefficient Registers ......................................................................................................... 127
6.15.6.1 S/PDIF RX/TX Interface Status (CIR = 0000h) ...................................................... 128
6.15.6.2 S/PDIF RX/TX Interface Control (CIR = 0001h) .................................................... 129
6.15.6.3 ADC Configuration (CIR = 0002h) ......................................................................... 130
6.15.6.4 DAC Configuration (CIR = 0003h) ......................................................................... 133
6.15.6.5 Beep Configuration (CIR = 0004h) ........................................................................ 134
6.16 Beep Generator Widget (Node ID = 13h) .................................................................................. 135
6.16.1 Audio Widget Capabilities ................................................................................................. 135
6.16.2 Beep Generation Control ................................................................................................... 136
7. APPLICATIONS ................................................................................................................................. 137
7.1 HD Audio Interface ....................................................................................................................... 137
7.1.1 Multi-Channel Streams ........................................................................................................ 137
7.2 Analog Outputs ............................................................................................................................ 137
7.2.1 Analog Supply Removal ...................................................................................................... 137
7.3 Digital Mic Inputs .......................................................................................................................... 137
8. ANALOG OUTPUT AND FILTERING ................................................................................................ 139
9. PCB LAYOUT CONSIDERATIONS ................................................................................................... 139
9.1 Power Supply, Grounding ............................................................................................................ 139
9.2 QFN Thermal Pad ........................................................................................................................ 140
10. PARAMETER DEFINITIONS ............................................................................................................ 140
11. PACKAGE DIMENSIONS ................................................................................................................ 141
THERMAL CHARACTERISTICS ....................................................................................................... 141
12. ORDERING INFORMATION ............................................................................................................ 142
13. REFERENCES .................................................................................................................................. 142
14. REVISION HISTORY ........................................................................................................................ 143
6
DS880F1
CIRRUS [ CIRRUS LOGIC ]
