WM8976 Wolfson Microelectronics Ltd., WM8976 Datasheet - Page 87

• Manufacturer Part Number: WM8976
• Description: The WM8976 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
• Manufacturer: Wolfson Microelectronics Ltd.

Pre-Production
w
7 (07h)
8 (08h)
9 (09h)
10 (0Ah)
REGISTER
ADDRESS
8:4
3:1
0
8:6
5:4
3
2:0
8:7
6
5
4
3:0
8:7
6
5:4
BIT
SR
SLOWCLKEN
OPCLKDIV
GPIO1POL
GPIO1SEL
[2:0]
JD_VMID
JD_EN
JD_SEL
SOFTMUTE
LABEL
00000
000
000
00
00
0
0
00
00
0
0
000
0
0
0
DEFAULT
Reserved
Approximate sample rate (configures the
coefficients for the internal digital filters):
000=48kHz
001=32kHz
010=24kHz
011=16kHz
100=12kHz
101=8kHz
110-111=reserved
Slow clock enable. Used for both the jack insert
detect debounce circuit and the zero cross
timeout.
0 = slow clock disabled
1 = slow clock enabled
Reserved
PLL Output clock division ratio
00=divide by 1
01=divide by 2
10=divide by 3
11=divide by 4
GPIO1 Polarity invert
0=Non inverted
1=Inverted
CSB/GPIO1 pin function select:
000= input (CSB/jack detection: depending on
MODE setting)
001= reserved
010=Temp ok
011=Amute active
100=PLL clk o/p
101=PLL lock
110=logic 1
111=logic 0
[7] VMID_EN_0
[8] VMID_EN_1
Jack Detection Enable
0=disabled
1=enabled
Reserved
Pin selected as jack detection input
0 = GPIO1
1 = GPIO2
Reserved
Reserved
Softmute enable:
0=Disabled
1=Enabled
Reserved
DESCRIPTION
PP Rev 3.0 April 2006
Audio Sample
Rates
Analogue
Outputs
General
Purpose
Input/Output
(GPIO)
General
Purpose
Input/Output
(GPIO)
General
Purpose
Input/Output
(GPIO)
Output
Switching
(Jack Detect)
Output
Switching
(Jack Detect)
Output
Switching
(Jack Detect)
Output Signal
Path
REFER TO
WM8976
87