Audio Codec '97

AC ‘97 Component Specification Revision 2.3 Rev 1.0
108
Reg Name D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default
28h Extended Audio ID ID1 ID0 x x REV1 REV0 AMAP LDAC SDAC CDAC DSA1 DSA0 VRM SPDIF DRA VRA xxxxh
2Ah Ext’d Audio Stat/Ctrl VCFG PRL PRK PRJ PRI SPCV MADC LDAC SDAC CDAC SPSA1 SPSA0 VRM SPDIF DRA VRA xxxxh
2Ch PCM Front DAC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
2Eh PCM Surr DAC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
30h PCM LFE DAC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
32h PCM L/R ADC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
34h MIC ADC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
36h Center/LFE Volume Mute x LFE5 LFE4 LFE3 LFE2 LFE1 LFE0 Mute x CNT5 CNT4 CNT3 CNT2 CNT1 CNT0 8080h
38h Surr Volume Mute x LSR5 LSR4 LSR3 LSR2 LSR1 LSR0 Mute x RSR5 RSR4 RSR3 RSR2 RSR1 RSR0 8080h
3Ah S/PDIF Control V DRS SPSR1 SPSR0 L CC6 CC5 CC4 CC3 CC2 CC1 CC0 PRE COPY /AUDIO PRO 2000h
Table 67. AC ‘97 Extended Audio Register Map
Reg Name D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default
3Ch Extended Modem ID ID1 ID0 x x x x x x x x X CID2 CID1 HSET LIN2 LIN1 xxxxh
3Eh Ext’d Modem Stat/Ctrl PRH PRG PRF PRE PRD PRC PRB PRA HDAC HADC DAC2 ADC2 DAC1 ADC1 MREF GPIO xxxxh
40h Line 1 DAC/ADC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
42h Line 2 DAC/ADC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
44h Handset DAC/ADC Rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
46h Line 1 DAC/ADC Level Mute x x x DAC3 DAC2 DAC1 DAC0 Mute x X x ADC3 ADC2 ADC1 ADC0 8080h
48h Line 2 DAC/ADC Level Mute x x x DAC3 DAC2 DAC1 DAC0 Mute x X x ADC3 ADC2 ADC1 ADC0 8080h
4Ah Handset DAC/ADC Level Mute x x x DAC3 DAC2 DAC1 DAC0 Mute x X x ADC3 ADC2 ADC1 ADC0 8080h
4Ch GPIO Pin Config GC15 GC14 GC13 GC12 GC11 GC10 GC9 GC8 GC7 GC6 GC5 GC4 GC3 GC2 GC1 GC0 xxxxh
4Eh GPIO Pin Polarity/Type GP15 GP14 GP13 GP12 GP11 GP10 GP9 GP8 GP7 GP6 GP5 GP4 GP3 GP2 GP1 GP0 FFFFh
50h GPIO Pin Sticky GS15 GS14 GS13 GS12 GS11 GS10 GS9 GS8 GS7 GS6 GS5 GS4 GS3 GS2 GS1 GS0 0000h
52h GPIO Pin Wake-up GW15 GW14 GW13 GW12 GW11 GW10 GW9 GW8 GW7 GW6 GW5 GW4 GW3 GW2 GW1 GW0 0000h
54h GPIO Pin Status GI15 GI14 GI13 GI12 GI11 GI10 GI9 GI8 GI7 GI6 GI5 GI4 GI3 GI2 GI1 GI0 xxxxh
56h Misc Mdm AFE Stat/Ctrl CID2 CID1 CIDR MLNK x HSB2 HSB1 HSB0 x L2B2 L2B1 L2B0 x L1B2 L1B1 L1B0 x000h
58h RESERVED x x x x x x x x x x x x x x x x x
Table 68. AC ‘97 Extended Modem Register Map