WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 5

• Manufacturer Part Number: WM8980CGEFL/RV
• Description: Stereo CODEC with Speaker Driver and Video Buffer
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

PIN DESCRIPTION
Pre-Production
Note:
It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB.
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PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
CSB/GPIO1
R2/GPIO3
L2/GPIO2
SPKGND
ADCDAT
DACDAT
SPKVDD
MICBIAS
VBGND
VBOUT
VBVDD
DCVDD
DBVDD
VBREF
ROUT2
ROUT1
LOUT2
LOUT1
MODE
GPIO4
DGND
AGND
NAME
MCLK
AUXR
OUT4
OUT3
AVDD
BCLK
SCLK
AUXL
VMID
SDIN
VBIN
LRC
RIP
RIN
NC
NC
LIP
LIN
Digital Input / Output
Digital Input / Output
Digital Input / Output
Digital Input / Output
Digital input/output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Analogue output
Analogue output
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Digital Output
Not internally
Not internally
Digital Input
Digital Input
Digital Input
Digital Input
connected
connected
Reference
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
TYPE
Left channel line input/secondary mic pre-amp positive input/GPIO2 pin
Right Mic Pre-amp positive input
Right Mic Pre-amp negative input
Right channel line input/secondary mic pre-amp positive input/GPIO3 pin
Video buffer ground pin
Video buffer signal input
Video buffer reference resistor pin
Video buffer output
Video buffer analogue supply
DAC and ADC Sample Rate Clock
Digital Audio Bit Clock
ADC Digital Audio Data Output
DAC Digital Audio Data Input
Master Clock Input
Digital ground
Digital core logic supply
Digital buffer (I/O) supply
3-Wire Control Interface Chip Select / GPIO1 pin
3-Wire Control Interface Clock Input / 2-Wire Control Interface Clock
Input
3-Wire Control Interface Data Input / 2-Wire Control Interface Data Input
Control Interface Selection
General purpose input/output 4
Left Auxilary input
Right Auxilary input
Buffered midrail Headphone pseudo-ground, or Right line output or MONO
mix output
Buffered midrail Headphone pseudo-ground, or Left line output
Second right output, or BTL speaker driver negative output
Speaker ground (feeds speaker amp and OUT3/OUT4)
Second left output, or BTL speaker driver positive output
Speaker supply (feeds speaker amp only)
Decoupling for ADC and DAC reference voltage
Analogue ground (feeds ADC and DAC)
Headphone or Line Output Right
Headphone or Line Output Left
Analogue supply (feeds ADC and DAC)
Microphone Bias
Left Mic Pre-amp positive input
Left Mic Pre-amp negative input
DESCRIPTION
PP, Rev 3.8, May 2012
WM8980
5