wm8952 Wolfson Microelectronics plc, wm8952 Datasheet - Page 57

• Manufacturer Part Number: wm8952
• Description: Mono Adc With Microphone Pre-amplifier
• Manufacturer: Wolfson Microelectronics plc

Pre Production
w
5 (05h)
6 (06h)
REGISTER
ADDRESS
6:5
4:3
2
1
0
15:6
5
4:3
2:1
0
15:9
8
7:5
BIT
WL
FMT
ALRSWAP
WL8
ADC_COMP
CLKSEL
MCLKDIV
LABEL
00
1
010
10
10
0
0
0
000h
0
00h
DEFAULT
DSP Mode control
1 = Configures the interface so that MSB is available
on 1
0 = Configures the interface so that MSB is available
on 2
Word length
00=16 bits
01=20 bits
10=24 bits
11=32 bits
Audio interface Data Format Select:
00=Right Justified
01=Left Justified
10=I
11= DSP/PCM mode
Controls whether ADC data appears in ‘right’ or ‘left’
phases of FRAME clock:
0=ADC data appear in ‘left’ phase of FRAME
1=ADC data appears in ‘right’ phase of FRAME
Reserved
Reserved
8 Bit Word Length for companding
0=Word Length controlled by WL
1=8 bits
Reserved
ADC companding
00=off
01=reserved
10=μ-law
11=A-law
Reserved
Reserved
Controls the source of the clock for all internal
operation:
0=MCLK
1=PLL output
Sets the scaling for either the MCLK or PLL clock
output (under control of CLKSEL)
000=divide by 1
001=divide by 1.5
010=divide by 2
011=divide by 3
100=divide by 4
101=divide by 6
110=divide by 8
111=divide by 12
Reserved
st
nd
2
S format
BCLK rising edge after FRAME rising edge
BCLK rising edge after FRAME rising edge
DESCRIPTION
PP, Rev 3.0, December 2008
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
Digital Audio
Interfaces
REFER TO
WM8952
57