WM8761
Production Data
PIN DESCRIPTION
PIN
1
NAME
LRCIN
TYPE
Digital input
DESCRIPTION
Sample rate clock input
Serial audio data input
Bit clock input
2
DIN
Digital input
Digital input
No connect
Analogue output
Analogue output
Supply
3
BCKIN
NC
4
No internal connection
5
CAP
Analogue internal reference
Right channel DAC output
Negative supply
6
VOUTR
GND
7
8
VDD
Supply
Positive supply
9
VOUTL
MUTE
Analogue output
Digital input
Left channel DAC output
Soft mute control, Internal pull down
High Impedance = Automute
High = Mute ON
10
Low = Mute OFF
11
12
NC
No connect
Digital input
No internal connection
DEEMPH
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
13
14
FORMAT
MCLK
Digital input
Digital input
Note:
1. Digital input pins have Schmitt trigger input buffers.
PD Rev 4.0 May 2004
4
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
