WM8501
Pre-Production
PIN DESCRIPTION
PIN
1
NAME
LRCLK
TYPE
Digital input
DESCRIPTION
Sample rate clock input
Serial audio data input
Bit clock input
2
DIN
Digital input
Digital input
Digital input
Analogue output
Analogue output
Supply
3
BCLK
4
ENABLE
VMID
Enable input – 0 = powered down, 1 = enabled
Analogue internal reference
5
6
ROUT
AGND
AVDD
LOUT
DGND
DVDD
DEEMPH
Right channel DAC output
7
Ground reference for analog circuits and substrate connection
Positive supply for analog circuits
Left channel DAC output
8
Supply
9
Analogue output
Digital Supply
Digital Supply
Digital input
10
11
12
Digital ground supply
Digital positive supply
De-emphasis select, Internal pull down
High = de-emphasis ON
Low = de-emphasis OFF
13
14
FORMAT
MCLK
Digital input
Digital input
Data input format select, Internal pull up
Low = 16-bit right justified or DSP (Mode B)
High = 16-24-bit I2S or DSP (Mode A)
Master clock input
Note:
1. Digital input pins have Schmitt trigger input buffers.
PP Rev 3.1 May 2006
w
4
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
