THOMSON 32E92NH22 - Page 32

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