WM8738
PIN DESCRIPTION
PIN
1
2
3
4
NAME
DVDD
SDATO
BCLK
FMT
TYPE
Supply
Digital Output
Digital Input
Digital input (with pull down)
Digital positive supply
ADC digital data output
ADC audio interface data clock (5V tolerant)
Audio interface format selection (5V tolerant)
2
‘0’ = I S
‘1’ = Left Justified
Reference de-coupling pin
Buffered reference decoupling pin
Right channel ADC input
Left channel ADC input
Analogue positive supply
Analogue ground supply and chip substrate
Digital highpass filter bypass; (5V tolerant)
‘0’ = Enabled
‘1’ = Bypassed
Data left/right word clock (5V tolerant)
Master clock input (5V tolerant)
Digital supply ground
DESCRIPTION
Production Data
5
6
7
8
9
10
11
CAP
VREF
RIN
LIN
AVDD
AGND
NOHP
Analog
Analogue output
Analogue Input
Analogue Input
Supply
Supply
Digital input (with pull down)
12
13
14
Notes
LRCLK
MCLK
DGND
Digital Input
Digital Input
Supply
1. Digital input pins have Schmitt trigger input buffers and are 5V tolerant.
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PD Rev 4.3 November 2004
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
