WM8711 Wolfson Microelectronics Ltd., WM8711 Datasheet - Page 30

• Manufacturer Part Number: WM8711
• Description: Internet Audio DAC With Integrated Headphone Driver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8711
WOLFSON MICROELECTRONICS LTD
0000111
Digital Audio
Interface Format
0001000
Sampling
Control
REGISTER
ADDRESS
1:0
3:2
4
5
6
7
0
1
5:2
6
7
BIT
FORMAT[1:0]
IWL[1:0]
LRP
LRSWAP
MS
BCLKINV
USB/
NORMAL
BOSR
SR[3:0]
CLKIDIV2
CLKODIV2
LABEL
10
10
0
0
0
0
0
0
0000
0
0
DEFAULT
Audio Data Format Select
11 = DSP Mode, frame sync + 2 data
packed words
10 = I2S Format, MSB-First left-1
justified
01 = MSB-First, left justified
00 = MSB-First, right justified
Input Audio Data Bit Length Select
11 = 32 bits
10 = 24 bits
01 = 20 bits
00 = 16 bits
DACLRC phase control (in left, right
or I
1 = Right Channel DAC data when
DACLRC high
0 = Right Channel DAC data when
DACLRC low
(opposite phasing in I
or
DSP mode A/B select ( in DSP mode
only)
1 = MSB is available on 2
rising edge after DACLRC rising
edge
0 = MSB is available on 1st BCLK
rising edge after DACLRC rising
edge
DAC Left Right Clock Swap
1 = Right Channel DAC Data Left
0 = Right Channel DAC Data Right
Master Slave Mode Control
1 = Enable Master Mode
0 = Enable Slave Mode
Bit Clock Invert
1 = Invert BCLK
0 = Don’t invert BCLK
Mode Select
1 = USB mode (250/272fs)
0 = Normal mode (256/384fs)
Base Over-Sampling Rate
USB Mode
0 = 250fs
1 = 272fs
DAC sample rate control;
See USB Mode and Normal Mode
Sample Rate sections for operation
Core Clock divider select
1 = Core Clock is MCLK divide by 2
0 = Core Clock is MCLK
CLKOUT divider select
1 = CLOCKOUT is MCLK divide by 2
0 = CLOCKOUT is MCLK
2
S modes)
DESCRIPTION
PP Rev 1.2 November 2000
Normal Mode
0 = 256fs
1 = 384fs
2
S mode)
Product Preview
nd
BCLK
30