wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 18

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

WM9714L
AUDIO PATHS OVERVIEW
Figure 9 Audio Paths Overview
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MONOIN
PCBEEP
MICCM
MIC2A
MIC2B
LINER
LINEL
MIC1
Note: PR bits are active low - i.e. 0 = "ON"; 1 = "OFF"
PR0 - Audio ADCs & record mux
PR1 - Stereo DAC
PR2 - Input PGAs & mixers
PR3 - Refs, input PGAs, mixers & output PGAs
PR6 - Output PGAs
PR Bit Code
Vmid
Vmid
Vmid
13-12
=> Enable when { (PR0 || PR2) && PR3 } are low
22h:
00 = +12dB
11 = +30dB
00 = +12dB
11 = +30dB
22h:11-10
22h:9-8
AC'97 Link
AC'97 Link
ADC Right
ADC Left
(Loopback)
(Loopback)
11111 = -34.5dB
11111 = -34.5dB
11111 = -34.5dB
11111 = -34.5dB
11111 = -34.5dB
00000 = +12dB
00000 = +12dB
00000 = +12dB
00000 = +12dB
00000 = +12dB
40h:7
12h:14 (GRL=0)
12h:11:8
0000 = 0db
1111 = +22.5dB
12h:14 (GRL=1)
12h:13-8
11111 = +30dB
00000 = -17.25dB
40h:7
12h:6 (GRR=0)
12h:3:0
0000 = 0db
1111 = +22.5dB
12h:6 (GRR=1)
12h:5-0
11111 = +30dB
00000 = -17.25dB
0Ah:12-8
08h:12-8
0Eh:12-8
0Ah:4-0
0Eh:4-0
Tone and 3D
40h:13 (3DE)
Tone and 3D
40h:13 (3DE)
1Eh / 20h /
1Eh / 20h /
1 = 20dB
1 = 20dB
0 = 0dB
0 = 0dB
14h:6
14h:6
AC'97 Link
PCM Link
18 Bit DACR
18 Bit DACL
ALC:5Ch/60h/62h
ALC:5Ch/60h/62h
slot 3
slot 3
Variable Slot
5C:1-0 (ASS)
5C:4 (ADCO)
Variable Slot
5C:1-0 (ASS)
5C:4 (ADCO)
18 Bit ADC
5C:3 (HPF)
18 Bit ADC
5C:3 (HPF)
16 Bit PCM
12 Bit Resistor
string DAC
VXDAC
2Eh/64h
11111 = -34.5dB
11111 = -34.5dB
Note: all PGAs and summers are inverting
00000 = +12dB
00000 = +12dB
0Ch:12-8
0Ch:4-0
Sent to Both
Sent to Both
WM9713 Analogue
PCM Link
AC'97 Link
PCM Link
AC'97 Link
DACL
LINEL
MONOIN
PCBEEP
MICA
MICB
RECMUXL
RECMUXR
AUXDAC
VXDAC
DACL
DACR
LINEL
LINER
PCBEEP
MICA
MICB
RECMUXL
RECMUXR
AUXDAC
VXDAC
DACR
LINER
MONOIN
PCBEEP
MICA
MICB
RECMUXL
RECMUXR
AUXDAC
VXDAC
LINEL
LINER
DACL
DACR
MONOIN
PCBEEP
AUXDAC
VXDAC
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
6dB -> -15dB
0dB / 20dB
0dB / 20dB
0dB / 20dB
0dB / 20dB
10h:4-0
10h:7+5
10h:4-0
08h:14
Headphone
Headphone
Speaker
Mixer R
Mixer L
MONO
Mixer
Mixer
AVDD
AGND
CAP
PP, Rev 3.2, October 2008
VREF
HPMIXL
HPMIXL
SPKMIX
INV1
MONOMIX
INV1
INV1
INV2
HPMIXR
HPMIXR
SPKMIX
INV2
Vmid
Vmid
Vmid
Vmid
Vmid
VMICBIAS
Vmid
Vmid
Pre-Production
11111 = -46.5dB
11111 = -46.5dB
11111 = -46.5dB
11111 = -46.5dB
11111 = -46.5dB
00000 = 0dB
00000 = 0dB
00000 = 0dB
00000 = 0dB
00000 = 0dB
04h:12-8
02h:12-8
04h:15 (MUTE)
02h:15 (MUTE)
08h:4-0
08h:7 (MUTE)
11111 = -46.5dB
11111 = -46.5dB
04h:4-0
04h:7 (MUTE)
02h:4-0
02h:7 (MUTE)
00000 = 0dB
00000 = 0dB
Zero-cross
Zero-cross
Zero-cross
Zero-cross
Zero-cross
detect
04h:14 (ZC)
detect
02h:14 (ZC)
detect
08h:6 (ZC)
06h:7 (MUTE)
06h:12-8
06h:15 (MUTE)
detect
04h:6 (ZC)
detect
02h:6 (ZC)
06h:4-0
Zero-cross
Zero-cross
detect
06h:6 (ZC)
detect
06h:14 (ZC)
HPL
SPKL
MONO
HPR
SPKR
OUT3
OUT4
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