WM8761
PIN DESCRIPTION
PIN
NAME
1
LRCIN
2
DIN
3
BCKIN
4
NC
5
CAP
6
VOUTR
7
GND
8
VDD
9
VOUTL
10
MUTE
TYPE
Digital input
Digital input
Digital input
No connect
Analogue output
Analogue output
Supply
Supply
Analogue output
Digital input
11
NC
No connect
12
DEEMPH
Digital input
13
FORMAT
Digital input
14
MCLK
Digital input
Note:
1. Digital input pins have Schmitt trigger input buffers.
DESCRIPTION
Sample rate clock input
Serial audio data input
Bit clock input
No internal connection
Analogue internal reference
Right channel DAC output
Negative supply
Positive supply
Left channel DAC output
Soft mute control, Internal pull down
High Impedance = Automute
High = Mute ON
Low = Mute OFF
No internal connection
De-emphasis select, Internal pull up
High = de-emphasis ON
Low = de-emphasis OFF
Data input format select, Internal pull up
Low = 24-bit right justified or DSP ‘late’
High = 16-24-bit I2S or DSP ‘early’
Master clock input
Production Data
w
PD, Rev 4.6, October 2011
4