WM8753L
Pre-Production
PIN DESCRIPTION
BGA
QFN
NAME
VXDOUT
VXCLK
VXFS
TYPE
Digital Output
Digital Input/Output
Digital Input/Output
Digital Input/Output
Digital Input/Output
Digital Output
Digital Input
DESCRIPTION
Voice ADC Output
J2
1
Voice CODEC data clock / ADC frame clock
Voice CODEC Frame Sync
DAC Frame Sync
H3
J3
2
3
H4
J4
4
LRC
DAC data clock input / output
ADC Digital Audio Data Alternative Output
DAC Digital Audio Data Input
Master Clock Input
5
BCLK
J5
6
ADCDAT
DACDAT
MCLK
H5
J6
7
Digital Input
8
Supply
Digital Buffer Supply (supply for digital I/O buffers)
Digital Core Supply (supply for digital logic, except I/O buffers)
Digital ground (all digital logic)
H6
J7
9
DBVDD
DCVDD
DGND
Supply
10
11
12
Supply
H7
J8
Digital Input
VOICE CODEC master clock input (may be looped from PLL
output)
PCMCLK
Digital Output
Digital Output
Supply
General Purpose Output 2, usually PLL2 output
General Purpose Output 1, usually PLL1 output
PLL ground
J9
G8
H9
G9
F9
E9
E8
D9
D8
C9
B9
A9
A8
B7
B6
A6
A5
B5
A4
B4
A3
B3
A2
A1
B1
C2
C1
D2
D1
E2
E1
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
41
42
43
GP2/CLK2
GP1/CLK1
PGND
Supply
PLL Supply
PVDD
Supply
Headphone Supply
HPVDD
OUT4
Analogue Output
Analogue Output
Analogue Output
Analogue Output
Supply
Analogue Output 4 (Headphone driver)
Analogue Output 3 (Headphone driver)
Headphone Output Right
OUT3
ROUT1
LOUT1
HP/SPKRGND
ROUT2
LOUT2
SPKRVDD
MONO2
MONO1
AVDD
Headphone Output Left
Headphone and Speaker ground
Speaker Output Right
Analogue Output
Analogue Output
Supply
Speaker Output Left
Speaker Supply
Analogue Output
Analogue Output
Supply
Mono analogue output 2
Mono analogue output 1
Analogue supply (feeds ADC and DAC)
Analogue ground (feeds ADC and DAC)
Buffered ADC and DAC Reference voltage
Decoupling for ADC and DAC reference voltage
Microphone Bias
Supply
AGND
Reference
VREF
Reference
VMID
Analogue Output
Analogue Input
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital input/Output
MICBIAS
ACIN
AC coupled input to ALC PGA in record path
ALC Mix output
ACOP
Left Channel Input
LINE1
Right Channel input
LINE2
RX mono differential input positive signal
RX mono differential input negative signal
Mic Pre-amp input 1
RXP
RXN
MIC1
Mic Pre-amp 1 common mode or negative input
Mic Pre-amp input 2
MIC1N
MIC2
Mic Pre-amp 2 common mode or negative input
MIC2N
GPIO4
GPIO (General Purpose input/output) usually headphone jack insert
autodetect with selectable pull-up/pull-down.
Digital Input / Output
Digital Input / Output
Control interface Mode select on reset or GPIO3
F1
F2
44
45
MODE/GPIO3
CSB/GPIO5
3-wire MPU Chip Select / 2-wire MPU interface address selection or
GPIO5
Digital Input / Output
Digital Input
3-wire MPU Data Input / 2-wire MPU Date Input / Acknowledge
3-wire MPU Clock Input / 2-wire MPU Clock Input
VOICE DAC Input
G1
H1
J1
46
47
48
SDIN
SCLK
VXDIN
Digital Input
Note: 1. It is recommended that the QFN ground paddle is connected to analogue ground on the application PCB
PP Rev 3.4 November 2005
w
5
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
