WM8738
Production Data
PIN DESCRIPTION
PIN
1
NAME
DVDD
SDATO
BCLK
FMT
TYPE
Supply
DESCRIPTION
Digital positive supply
ADC digital data output
2
Digital Output
Digital Input
3
ADC audio interface data clock (5V tolerant)
4
Digital input (with pull down) Audio interface format selection (5V tolerant)
‘0’ = I2S
‘1’ = Left Justified
5
6
CAP
VREF
RIN
Analog
Analogue output
Analogue Input
Analogue Input
Supply
Reference de-coupling pin
Buffered reference decoupling pin
Right channel ADC input
7
8
LIN
Left channel ADC input
9
AVDD
AGND
NOHP
Analogue positive supply
10
11
Supply
Analogue ground supply and chip substrate
Digital input (with pull down) Digital highpass filter bypass; (5V tolerant)
‘0’ = Enabled
‘1’ = Bypassed
12
13
14
LRCLK
MCLK
DGND
Digital Input
Digital Input
Supply
Data left/right word clock (5V tolerant)
Master clock input (5V tolerant)
Digital supply ground
Notes
1. Digital input pins have Schmitt trigger input buffers and are 5V tolerant.
PD Rev 4.3 November 2004
4
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
