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WM9704CFT/V Datasheet(PDF) 34 Page - Wolfson Microelectronics plc |
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WM9704CFT/V Datasheet(HTML) 34 Page - Wolfson Microelectronics plc |
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34 / 37 page  WM9704M Production Data WOLFSON MICROELECTRONICS LTD PD Rev 3.2 January 2001 34 SERIAL INTERFACE REGISTER MAP The following table shows the function and address of the various control bits that are loaded through the serial interface during write operations. Reg Name D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default 00h Reset X SE4 SE3 SE2 SE1 SE0 ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0 6140h 02h Master volume Mute X X ML4 ML3 ML2 ML1 ML0 X X X MR4 MR3 MR2 MR1 MR0 8000h 04h Headphone vol. Mute X X ML4 ML3 ML2 ML1 ML0 X X X MR4 MR3 MR2 MR1 MR0 8000h 06h Master vol. mono Mute XXXX XXXXXX MM4 MM3 MM2 MM1 MM0 8000h 0Ah PCBEEP vol. Mute XXXX XXXXXX PV3 PV2 PV2 PV0 X 8000h 0Ch Phone volume Mute XXXX XXXXXX GN4 GN3 GN2 GN1 GN0 8008h 0Eh Mic volume Mute XXXX XXXX 20dB X GN4 GN3 GN2 GN1 GN0 8008h 10h Line in volume Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 8808h 12h CD volume Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 8808h 14h Video volume Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 8808h 16h Aux volume Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 8808h 18h Frnt PCM out volume Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 8808h 1Ah Rec. select XXXXX SL2 SL1 SL0 XXX XX SR2 SR1 SR0 0000h 1Ch Rec. gain Mute X X X GL3 GL2 GL1 GL0 X X X X GR3 GR2 GR1 GR0 8000h 20h General purpose POP ST 3D lD X X MIX MS LPBK XX XXXXX 8000h 22h 3D control XXXXX XXXXXX X DP3 DP2 DP1 DP0 0000h 24h Reserved XXXXX XXXXXX XXXXX 0000h 26h Pwrdwn ctrl/stat EAPD PR6 PR5 PR4 PR3 PR2 PR1 PR0 X X X X REF ANL DAC ADC 000Fh 28h Ext’d audio ID ID1 ID0 X X X X Amap Ldac Sdac Cdac X X VRM X DRA VRA 0281h 2Ah Ext’d audio ctrl/stat X PRL PRK PRJ PRI X Madc Ldac Sdac Cdac X X VRM X DRA VRA 0080h 2Ch Front DAC rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h 2Eh Rear DAC rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h 30h LFE DAC rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h 32h Audio ADC rate SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h 36h 6ch vol. C,LFE Mute X X LFE4 LFE3 LFE2 LFE1 LFE0 Mute X X CNT4 CNT3 CNT2 CNT1 CNT0 0000h 38h 6ch vol. L,R surr Mute X X LSR4 LSR3 LSR2 LSR1 LSR0 Mute X X SR4 SR3 RSR2 RSR1 RSR0 8080h 3Ch Ext’d mdm ID ID1 ID0 XXX XXXXXX CID2 CID1 HSET LIN2 LIN1 x00xh 3Eh Ext’d mdm stat PRH PRG PRF PRE PD PRC PRB PRA DAC ADC DAC2 DC2 DAC1 ADC1 MREF GPIO 0100h 40h Line1 sample rate ADC/DAC SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h 42h Line2 sample rate ADC/DAC Sample rates written to 42h will alias onto 40h 46h Line1 DAC/ADC level Not supported - set TX modem levels by writing to rear DAC PGA 04h 48h Line2 DAC/ADC level Not supported - set TX modem levels by writing to rear DAC PGA 04h 4Ch GPIO pin config 00 GC13 GC12 GC11 000000 00000 000Eh 4Eh GPIO pin type 11 GP13 GP12 GP11 111111 11111 FFFFh 50h GPIO pin sticky 00 GS13 GS12 GS11 000000 00000 0000h 52h GPIO wake-up 00 GW13 GW12 GW11 000000 00000 0000h 54h GPIO pin status 00 GI13 GI12 GI11 000000 00000 000xh 56h Misc. modem ctrl/stat CID2 CID1 CIDR MLNK X HSB2 HSB1 HSB0 X L2B2 L2B1 L2B0 X L1B2 L1B1 L1B0 0000h 5Ah Vendor rsvd test ATST DTST AFTS DFTS RTST DDS AMD DLM I2S R2S AND HIM HIC TRM BB AEV 0000h 70h Rr PCM out vol. Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 0808h 72h Front mixer vol. Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 0808h 74h Rear mixer vol. Mute X X GL4 GL3 GL2 GL1 GL0 X X X GR4 GR3 GR2 GR1 GR0 8808h 7Ah Vendor rsvd XXXXX XXXXXX XXXXX 0000h 7Ch Vendor ID1 F7 F6 F5 F4 F3 F2 F1 F0 S7 S6 S5 S4 S3 S2 S1 S0 574Dh 7Eh Vendor ID2 T7 T6 T5 T4 T3 T2 T1 T0 Rev7 Rev6 Rev5 Rev4 Rev3 Rev2 Rev1 Rev0 4C04h Table 22 Serial Interface Register Map Description |
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