WM8501
Pre-Production
PIN DESCRIPTION
PIN
1
2
3
4
5
6
7
8
9
10
11
12
NAME
LRCLK
DIN
BCLK
ENABLE
VMID
ROUT
AGND
AVDD
LOUT
DGND
DVDD
DEEMPH
TYPE
Digital input
Digital input
Digital input
Digital input
Analogue output
Analogue output
Supply
Supply
Analogue output
Digital Supply
Digital Supply
Digital input
Sample rate clock input
Serial audio data input
Bit clock input
Enable input – 0 = powered down, 1 = enabled
Analogue internal reference
Right channel DAC output
Ground reference for analog circuits and substrate connection
Positive supply for analog circuits
Left channel DAC output
Digital ground supply
Digital positive supply
De-emphasis select, Internal pull down
High = de-emphasis ON
Low = de-emphasis OFF
Data input format select, Internal pull up
Low = 16-bit right justified or DSP (Mode B)
High = 16-24-bit I
2
S or DSP (Mode A)
Master clock input
DESCRIPTION
13
FORMAT
Digital input
14
MCLK
Digital input
Note:
1. Digital input pins have Schmitt trigger input buffers.
w
PP Rev 3.1 May 2006
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
