WM8988 Datasheet, PDF (4/56 Pages) Wolfson Microelectronics plc – Stereo CODEC for Portable Audio Applications

WM8988
PIN DESCRIPTION
PIN NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
NAME
MCLK
DCVDD
DBVDD
DGND
BCLK
DACDAT
LRC
ADCDAT
HPCOM
LCOM
ROUT1
LOUT1
HPGND
ROUT2
LOUT2
HPVDD
AVDD
AGND
VREF
VMID
RINPUT2
LINPUT2
RINPUT1
LINPUT1
MODE
CSB
SDIN
SCLK
TYPE
Digital Input
Supply
Supply
Supply
Digital Input / Output
Digital Input
Digital Input / Output
Digital Output
Analogue Input
Analogue Input
Analogue Output
Analogue Output
Supply
Analogue Output
Analogue Output
Supply
Supply
Supply
Analogue Output
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Input
Digital Input
Digital Input/Output
Digital Input
Production Data
DESCRIPTION
Master Clock
Digital Core Supply
Digital Buffer (I/O) Supply
Digital Ground (return path for both DCVDD and DBVDD)
Audio Interface Bit Clock
DAC Digital Audio Data
Audio Interface Left / Right Clock
ADC Digital Audio Data
LOUT1 and ROUT1 common mode feedback
LOUT2 and ROUT2 common mode feedback
Right Output 1 (Line or Headphone)
Left Output 1 (Line or Headphone)
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2)
Right Output 1 (Line or Headphone )
Left Output 1 (Line or Headphone)
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2,
MONOUT)
Analogue Supply
Analogue Ground (return path for AVDD)
Reference Voltage Decoupling Capacitor
Midrail Voltage Decoupling Capacitor
Right Channel Input 2
Left Channel Input 2
Right Channel Input 1
Left Channel Input 1
Control Interface Selection
Chip Select / Device Address Selection
Control Interface Data Input / 2-wire Acknowledge output
Control Interface Clock Input
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PD, Rev 4.0, October 2008
4